java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 06:08:10,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 06:08:10,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 06:08:10,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 06:08:10,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 06:08:10,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 06:08:10,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 06:08:10,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 06:08:10,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 06:08:10,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 06:08:10,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 06:08:10,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 06:08:10,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 06:08:10,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 06:08:10,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 06:08:10,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 06:08:10,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 06:08:10,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 06:08:10,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 06:08:10,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 06:08:10,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 06:08:10,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 06:08:10,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 06:08:10,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 06:08:10,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 06:08:10,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 06:08:10,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 06:08:10,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 06:08:10,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 06:08:10,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 06:08:10,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 06:08:10,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 06:08:10,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 06:08:10,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 06:08:10,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 06:08:10,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 06:08:10,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 06:08:10,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 06:08:10,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 06:08:10,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 06:08:10,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 06:08:10,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 06:08:10,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 06:08:10,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 06:08:10,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 06:08:10,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 06:08:10,522 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 06:08:10,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 06:08:10,523 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 06:08:10,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 06:08:10,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 06:08:10,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 06:08:10,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 06:08:10,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 06:08:10,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 06:08:10,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 06:08:10,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 06:08:10,526 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 06:08:10,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 06:08:10,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 06:08:10,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 06:08:10,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 06:08:10,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 06:08:10,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:08:10,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 06:08:10,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 06:08:10,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 06:08:10,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 06:08:10,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 06:08:10,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 06:08:10,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 06:08:10,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 06:08:10,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 06:08:10,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 06:08:10,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 06:08:10,889 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 06:08:10,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-07 06:08:10,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63ba3782/cfc12877068a4695b51c60629b0739d3/FLAG60895a206 [2019-10-07 06:08:11,845 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 06:08:11,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-07 06:08:11,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63ba3782/cfc12877068a4695b51c60629b0739d3/FLAG60895a206 [2019-10-07 06:08:12,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63ba3782/cfc12877068a4695b51c60629b0739d3 [2019-10-07 06:08:12,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 06:08:12,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 06:08:12,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 06:08:12,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 06:08:12,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 06:08:12,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:08:12" (1/1) ... [2019-10-07 06:08:12,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9b8ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:12, skipping insertion in model container [2019-10-07 06:08:12,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:08:12" (1/1) ... [2019-10-07 06:08:12,416 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 06:08:12,546 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 06:08:14,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:08:14,515 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 06:08:14,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:08:15,275 INFO L192 MainTranslator]: Completed translation [2019-10-07 06:08:15,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15 WrapperNode [2019-10-07 06:08:15,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 06:08:15,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 06:08:15,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 06:08:15,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 06:08:15,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (1/1) ... [2019-10-07 06:08:15,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (1/1) ... [2019-10-07 06:08:15,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (1/1) ... [2019-10-07 06:08:15,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (1/1) ... [2019-10-07 06:08:15,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (1/1) ... [2019-10-07 06:08:15,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (1/1) ... [2019-10-07 06:08:15,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (1/1) ... [2019-10-07 06:08:15,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 06:08:15,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 06:08:15,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 06:08:15,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 06:08:15,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (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 [2019-10-07 06:08:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 06:08:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 06:08:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 06:08:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 06:08:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 06:08:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 06:08:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 06:08:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 06:08:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-07 06:08:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 06:08:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-07 06:08:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-07 06:08:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-07 06:08:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-07 06:08:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 06:08:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 06:08:15,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 06:08:15,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 06:08:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 06:08:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 06:08:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 06:08:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dump_gate [2019-10-07 06:08:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_sync_regs [2019-10-07 06:08:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_mdelay [2019-10-07 06:08:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_misc_control [2019-10-07 06:08:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_modify_reg [2019-10-07 06:08:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_unit_power [2019-10-07 06:08:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_clock [2019-10-07 06:08:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_pll [2019-10-07 06:08:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_select_clock [2019-10-07 06:08:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_clock [2019-10-07 06:08:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_find_clock [2019-10-07 06:08:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm_device [2019-10-07 06:08:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_device_release [2019-10-07 06:08:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subdev [2019-10-07 06:08:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_device [2019-10-07 06:08:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subio [2019-10-07 06:08:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_mem [2019-10-07 06:08:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_irq [2019-10-07 06:08:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_usbhost [2019-10-07 06:08:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_setup_uart_data [2019-10-07 06:08:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_uart [2019-10-07 06:08:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_display [2019-10-07 06:08:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm501_gpio [2019-10-07 06:08:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_to_dev [2019-10-07 06:08:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_get [2019-10-07 06:08:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_ensure_gpio [2019-10-07 06:08:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_set [2019-10-07 06:08:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_input [2019-10-07 06:08:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_output [2019-10-07 06:08:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_register_chip [2019-10-07 06:08:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio [2019-10-07 06:08:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_remove [2019-10-07 06:08:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_pin2nr [2019-10-07 06:08:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_isregistered [2019-10-07 06:08:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c_instance [2019-10-07 06:08:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c [2019-10-07 06:08:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dbg_regs [2019-10-07 06:08:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_reg [2019-10-07 06:08:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_regs [2019-10-07 06:08:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_check_clocks [2019-10-07 06:08:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_dev [2019-10-07 06:08:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_probe [2019-10-07 06:08:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_power [2019-10-07 06:08:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_suspend [2019-10-07 06:08:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_resume [2019-10-07 06:08:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_probe [2019-10-07 06:08:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_remove_sub [2019-10-07 06:08:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dev_remove [2019-10-07 06:08:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_remove [2019-10-07 06:08:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_remove [2019-10-07 06:08:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_init [2019-10-07 06:08:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_exit [2019-10-07 06:08:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 06:08:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-07 06:08:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-07 06:08:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-07 06:08:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-07 06:08:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-07 06:08:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-07 06:08:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-07 06:08:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-07 06:08:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-07 06:08:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-07 06:08:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-07 06:08:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-07 06:08:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_register_13 [2019-10-07 06:08:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_14 [2019-10-07 06:08:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 06:08:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 06:08:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 06:08:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 06:08:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 06:08:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 06:08:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 06:08:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 06:08:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 06:08:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 06:08:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 06:08:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 06:08:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 06:08:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 06:08:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 06:08:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 06:08:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 06:08:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 06:08:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 06:08:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 06:08:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 06:08:15,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 06:08:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 06:08:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 06:08:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 06:08:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-07 06:08:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 06:08:15,740 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 06:08:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 06:08:15,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 06:08:15,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 06:08:15,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 06:08:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-07 06:08:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-07 06:08:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_add [2019-10-07 06:08:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_remove [2019-10-07 06:08:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-07 06:08:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-07 06:08:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 06:08:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 06:08:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 06:08:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 06:08:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 06:08:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 06:08:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 06:08:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2019-10-07 06:08:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 06:08:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2019-10-07 06:08:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-07 06:08:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2019-10-07 06:08:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-07 06:08:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-10-07 06:08:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-10-07 06:08:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 06:08:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-07 06:08:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 06:08:15,758 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 06:08:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 06:08:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 06:08:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 06:08:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 06:08:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 06:08:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 06:08:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 06:08:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 06:08:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 06:08:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 06:08:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 06:08:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 06:08:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 06:08:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-07 06:08:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 06:08:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-07 06:08:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-07 06:08:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-07 06:08:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-07 06:08:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-07 06:08:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-07 06:08:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 06:08:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-07 06:08:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-07 06:08:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-07 06:08:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-07 06:08:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-07 06:08:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 06:08:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 06:08:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 06:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 06:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 06:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 06:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 06:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 06:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 06:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 06:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 06:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-07 06:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-07 06:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 06:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-07 06:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 06:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-07 06:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-07 06:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-07 06:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-07 06:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 06:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 06:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-07 06:08:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-07 06:08:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 06:08:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 06:08:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 06:08:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 06:08:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2019-10-07 06:08:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-07 06:08:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-10-07 06:08:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-10-07 06:08:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2019-10-07 06:08:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_register_13 [2019-10-07 06:08:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-07 06:08:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_14 [2019-10-07 06:08:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-07 06:08:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-07 06:08:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 06:08:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 06:08:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 06:08:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 06:08:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 06:08:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 06:08:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 06:08:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 06:08:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 06:08:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 06:08:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 06:08:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 06:08:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 06:08:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 06:08:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 06:08:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2019-10-07 06:08:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_unit_power [2019-10-07 06:08:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_clock [2019-10-07 06:08:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_find_clock [2019-10-07 06:08:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_misc_control [2019-10-07 06:08:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_modify_reg [2019-10-07 06:08:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_add [2019-10-07 06:08:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_remove [2019-10-07 06:08:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dump_gate [2019-10-07 06:08:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_sync_regs [2019-10-07 06:08:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_mdelay [2019-10-07 06:08:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 06:08:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 06:08:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 06:08:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_clock [2019-10-07 06:08:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_pll [2019-10-07 06:08:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_select_clock [2019-10-07 06:08:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm_device [2019-10-07 06:08:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_device_release [2019-10-07 06:08:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subdev [2019-10-07 06:08:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_device [2019-10-07 06:08:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subio [2019-10-07 06:08:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_mem [2019-10-07 06:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_irq [2019-10-07 06:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_usbhost [2019-10-07 06:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_setup_uart_data [2019-10-07 06:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_uart [2019-10-07 06:08:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_display [2019-10-07 06:08:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm501_gpio [2019-10-07 06:08:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_to_dev [2019-10-07 06:08:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_get [2019-10-07 06:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_ensure_gpio [2019-10-07 06:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_set [2019-10-07 06:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_input [2019-10-07 06:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_output [2019-10-07 06:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_register_chip [2019-10-07 06:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio [2019-10-07 06:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_remove [2019-10-07 06:08:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_pin2nr [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_isregistered [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c_instance [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dbg_regs [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_reg [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_regs [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_check_clocks [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_dev [2019-10-07 06:08:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_probe [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_power [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_suspend [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_resume [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_probe [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_remove_sub [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dev_remove [2019-10-07 06:08:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_remove [2019-10-07 06:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_remove [2019-10-07 06:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_init [2019-10-07 06:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_exit [2019-10-07 06:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 06:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 06:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 06:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 06:08:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 06:08:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 06:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 06:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 06:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 06:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 06:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 06:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 06:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 06:08:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 06:08:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 06:08:36,917 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 06:08:36,918 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 06:08:36,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:08:36 BoogieIcfgContainer [2019-10-07 06:08:36,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 06:08:36,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 06:08:36,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 06:08:36,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 06:08:36,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 06:08:12" (1/3) ... [2019-10-07 06:08:36,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7785fd0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:08:36, skipping insertion in model container [2019-10-07 06:08:36,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:08:15" (2/3) ... [2019-10-07 06:08:36,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7785fd0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:08:36, skipping insertion in model container [2019-10-07 06:08:36,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:08:36" (3/3) ... [2019-10-07 06:08:36,929 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-07 06:08:36,940 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 06:08:36,951 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 06:08:36,964 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 06:08:36,999 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 06:08:36,999 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 06:08:37,000 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 06:08:37,000 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 06:08:37,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 06:08:37,000 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 06:08:37,000 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 06:08:37,000 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 06:08:37,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states. [2019-10-07 06:08:37,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-07 06:08:37,075 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:08:37,077 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:08:37,080 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:08:37,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:08:37,087 INFO L82 PathProgramCache]: Analyzing trace with hash -57668351, now seen corresponding path program 1 times [2019-10-07 06:08:37,097 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:08:37,097 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:37,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:37,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:08:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:08:37,993 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:37,994 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:08:37,994 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:08:37,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:08:38,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:08:38,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:08:38,024 INFO L87 Difference]: Start difference. First operand 1037 states. Second operand 3 states. [2019-10-07 06:08:40,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:08:40,759 INFO L93 Difference]: Finished difference Result 2790 states and 3765 transitions. [2019-10-07 06:08:40,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:08:40,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-07 06:08:40,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:08:40,797 INFO L225 Difference]: With dead ends: 2790 [2019-10-07 06:08:40,798 INFO L226 Difference]: Without dead ends: 1841 [2019-10-07 06:08:40,810 INFO L606 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 [2019-10-07 06:08:40,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2019-10-07 06:08:41,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1837. [2019-10-07 06:08:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1837 states. [2019-10-07 06:08:41,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2435 transitions. [2019-10-07 06:08:41,038 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2435 transitions. Word has length 34 [2019-10-07 06:08:41,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:08:41,039 INFO L462 AbstractCegarLoop]: Abstraction has 1837 states and 2435 transitions. [2019-10-07 06:08:41,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:08:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2435 transitions. [2019-10-07 06:08:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-07 06:08:41,043 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:08:41,044 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:08:41,044 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:08:41,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:08:41,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1774932175, now seen corresponding path program 1 times [2019-10-07 06:08:41,045 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:08:41,045 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:41,045 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:41,045 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:41,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:08:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:08:41,332 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:41,332 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:08:41,332 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:08:41,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:08:41,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:08:41,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:08:41,335 INFO L87 Difference]: Start difference. First operand 1837 states and 2435 transitions. Second operand 3 states. [2019-10-07 06:08:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:08:43,715 INFO L93 Difference]: Finished difference Result 1885 states and 2477 transitions. [2019-10-07 06:08:43,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:08:43,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-07 06:08:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:08:43,728 INFO L225 Difference]: With dead ends: 1885 [2019-10-07 06:08:43,728 INFO L226 Difference]: Without dead ends: 1881 [2019-10-07 06:08:43,730 INFO L606 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 [2019-10-07 06:08:43,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2019-10-07 06:08:43,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 1879. [2019-10-07 06:08:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1879 states. [2019-10-07 06:08:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2470 transitions. [2019-10-07 06:08:43,833 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2470 transitions. Word has length 38 [2019-10-07 06:08:43,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:08:43,834 INFO L462 AbstractCegarLoop]: Abstraction has 1879 states and 2470 transitions. [2019-10-07 06:08:43,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:08:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2470 transitions. [2019-10-07 06:08:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-07 06:08:43,836 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:08:43,837 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:08:43,837 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:08:43,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:08:43,837 INFO L82 PathProgramCache]: Analyzing trace with hash 810965644, now seen corresponding path program 1 times [2019-10-07 06:08:43,838 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:08:43,838 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:43,838 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:43,838 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:43,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:08:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:08:44,126 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:44,127 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:08:44,127 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:08:44,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:08:44,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:08:44,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:08:44,128 INFO L87 Difference]: Start difference. First operand 1879 states and 2470 transitions. Second operand 3 states. [2019-10-07 06:08:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:08:46,615 INFO L93 Difference]: Finished difference Result 1881 states and 2471 transitions. [2019-10-07 06:08:46,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:08:46,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-07 06:08:46,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:08:46,628 INFO L225 Difference]: With dead ends: 1881 [2019-10-07 06:08:46,628 INFO L226 Difference]: Without dead ends: 1878 [2019-10-07 06:08:46,631 INFO L606 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 [2019-10-07 06:08:46,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2019-10-07 06:08:46,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1878. [2019-10-07 06:08:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1878 states. [2019-10-07 06:08:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2468 transitions. [2019-10-07 06:08:46,757 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2468 transitions. Word has length 39 [2019-10-07 06:08:46,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:08:46,758 INFO L462 AbstractCegarLoop]: Abstraction has 1878 states and 2468 transitions. [2019-10-07 06:08:46,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:08:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2468 transitions. [2019-10-07 06:08:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-07 06:08:46,765 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:08:46,765 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:08:46,765 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:08:46,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:08:46,766 INFO L82 PathProgramCache]: Analyzing trace with hash -630575724, now seen corresponding path program 1 times [2019-10-07 06:08:46,766 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:08:46,766 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:46,766 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:46,766 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:46,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:08:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:08:47,161 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:47,162 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:08:47,162 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:08:47,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:08:47,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:08:47,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:08:47,163 INFO L87 Difference]: Start difference. First operand 1878 states and 2468 transitions. Second operand 3 states. [2019-10-07 06:08:49,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:08:49,701 INFO L93 Difference]: Finished difference Result 1880 states and 2469 transitions. [2019-10-07 06:08:49,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:08:49,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-07 06:08:49,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:08:49,716 INFO L225 Difference]: With dead ends: 1880 [2019-10-07 06:08:49,716 INFO L226 Difference]: Without dead ends: 1877 [2019-10-07 06:08:49,718 INFO L606 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 [2019-10-07 06:08:49,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2019-10-07 06:08:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1877. [2019-10-07 06:08:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2019-10-07 06:08:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2466 transitions. [2019-10-07 06:08:49,843 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2466 transitions. Word has length 40 [2019-10-07 06:08:49,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:08:49,844 INFO L462 AbstractCegarLoop]: Abstraction has 1877 states and 2466 transitions. [2019-10-07 06:08:49,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:08:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2466 transitions. [2019-10-07 06:08:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-07 06:08:49,846 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:08:49,847 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:08:49,847 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:08:49,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:08:49,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1926286991, now seen corresponding path program 1 times [2019-10-07 06:08:49,848 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:08:49,848 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:49,848 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:49,848 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:08:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:08:50,721 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:50,721 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:08:50,721 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:08:50,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:08:50,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:08:50,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:08:50,723 INFO L87 Difference]: Start difference. First operand 1877 states and 2466 transitions. Second operand 3 states. [2019-10-07 06:08:53,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:08:53,039 INFO L93 Difference]: Finished difference Result 1879 states and 2467 transitions. [2019-10-07 06:08:53,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:08:53,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-07 06:08:53,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:08:53,239 INFO L225 Difference]: With dead ends: 1879 [2019-10-07 06:08:53,239 INFO L226 Difference]: Without dead ends: 1857 [2019-10-07 06:08:53,241 INFO L606 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 [2019-10-07 06:08:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2019-10-07 06:08:53,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1857. [2019-10-07 06:08:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1857 states. [2019-10-07 06:08:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2444 transitions. [2019-10-07 06:08:53,407 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2444 transitions. Word has length 41 [2019-10-07 06:08:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:08:53,407 INFO L462 AbstractCegarLoop]: Abstraction has 1857 states and 2444 transitions. [2019-10-07 06:08:53,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:08:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2444 transitions. [2019-10-07 06:08:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-07 06:08:53,434 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:08:53,435 INFO L385 BasicCegarLoop]: trace histogram [11, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:08:53,436 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:08:53,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:08:53,436 INFO L82 PathProgramCache]: Analyzing trace with hash 317988807, now seen corresponding path program 1 times [2019-10-07 06:08:53,437 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:08:53,437 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:53,437 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:53,437 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:53,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:08:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-10-07 06:08:53,964 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:53,964 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:08:53,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:08:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:55,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 4617 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-07 06:08:55,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:08:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-07 06:08:55,659 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:08:55,860 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2019-10-07 06:08:55,860 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 06:08:55,861 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 4 [2019-10-07 06:08:55,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:08:55,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:08:55,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 06:08:55,863 INFO L87 Difference]: Start difference. First operand 1857 states and 2444 transitions. Second operand 3 states. [2019-10-07 06:08:55,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:08:55,976 INFO L93 Difference]: Finished difference Result 3705 states and 4909 transitions. [2019-10-07 06:08:55,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:08:55,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-10-07 06:08:55,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:08:55,991 INFO L225 Difference]: With dead ends: 3705 [2019-10-07 06:08:55,991 INFO L226 Difference]: Without dead ends: 1857 [2019-10-07 06:08:56,000 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 06:08:56,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2019-10-07 06:08:56,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1857. [2019-10-07 06:08:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1857 states. [2019-10-07 06:08:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2442 transitions. [2019-10-07 06:08:56,132 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2442 transitions. Word has length 211 [2019-10-07 06:08:56,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:08:56,133 INFO L462 AbstractCegarLoop]: Abstraction has 1857 states and 2442 transitions. [2019-10-07 06:08:56,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:08:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2442 transitions. [2019-10-07 06:08:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-07 06:08:56,148 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:08:56,148 INFO L385 BasicCegarLoop]: trace histogram [11, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:08:56,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:08:56,349 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:08:56,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:08:56,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1232190670, now seen corresponding path program 1 times [2019-10-07 06:08:56,351 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:08:56,351 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:56,351 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:56,351 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:56,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:08:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:56,600 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:56,601 INFO L325 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-07 06:08:56,601 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:08:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:08:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:58,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 4659 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 06:08:58,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:08:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2019-10-07 06:08:58,190 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:08:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-10-07 06:08:58,375 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-07 06:08:58,375 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2019-10-07 06:08:58,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:08:58,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:08:58,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:08:58,377 INFO L87 Difference]: Start difference. First operand 1857 states and 2442 transitions. Second operand 3 states. [2019-10-07 06:08:58,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:08:58,792 INFO L93 Difference]: Finished difference Result 4310 states and 5649 transitions. [2019-10-07 06:08:58,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:08:58,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2019-10-07 06:08:58,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:08:58,814 INFO L225 Difference]: With dead ends: 4310 [2019-10-07 06:08:58,814 INFO L226 Difference]: Without dead ends: 2462 [2019-10-07 06:08:58,826 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:08:58,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2019-10-07 06:08:59,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2451. [2019-10-07 06:08:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2451 states. [2019-10-07 06:08:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3202 transitions. [2019-10-07 06:08:59,036 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3202 transitions. Word has length 212 [2019-10-07 06:08:59,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:08:59,036 INFO L462 AbstractCegarLoop]: Abstraction has 2451 states and 3202 transitions. [2019-10-07 06:08:59,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:08:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3202 transitions. [2019-10-07 06:08:59,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-07 06:08:59,053 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:08:59,054 INFO L385 BasicCegarLoop]: trace histogram [11, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 06:08:59,269 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:08:59,270 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:08:59,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:08:59,270 INFO L82 PathProgramCache]: Analyzing trace with hash 383895774, now seen corresponding path program 1 times [2019-10-07 06:08:59,270 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:08:59,271 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:59,271 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:59,271 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:08:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:08:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:08:59,510 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:08:59,510 INFO L325 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-07 06:08:59,511 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:08:59,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:09:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:09:01,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 4606 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-07 06:09:01,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:09:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-10-07 06:09:01,349 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:09:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-10-07 06:09:01,552 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:09:01,553 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-07 06:09:01,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 06:09:01,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 06:09:01,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 06:09:01,555 INFO L87 Difference]: Start difference. First operand 2451 states and 3202 transitions. Second operand 4 states. [2019-10-07 06:09:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:09:04,610 INFO L93 Difference]: Finished difference Result 5860 states and 7674 transitions. [2019-10-07 06:09:04,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 06:09:04,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-10-07 06:09:04,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:09:04,641 INFO L225 Difference]: With dead ends: 5860 [2019-10-07 06:09:04,641 INFO L226 Difference]: Without dead ends: 4172 [2019-10-07 06:09:04,649 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 06:09:04,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4172 states. [2019-10-07 06:09:04,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4172 to 4150. [2019-10-07 06:09:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4150 states. [2019-10-07 06:09:04,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4150 states to 4150 states and 5433 transitions. [2019-10-07 06:09:04,989 INFO L78 Accepts]: Start accepts. Automaton has 4150 states and 5433 transitions. Word has length 216 [2019-10-07 06:09:04,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:09:04,990 INFO L462 AbstractCegarLoop]: Abstraction has 4150 states and 5433 transitions. [2019-10-07 06:09:04,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 06:09:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 4150 states and 5433 transitions. [2019-10-07 06:09:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-07 06:09:05,017 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:09:05,017 INFO L385 BasicCegarLoop]: trace histogram [12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:09:05,231 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:09:05,232 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:09:05,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:09:05,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1218779360, now seen corresponding path program 1 times [2019-10-07 06:09:05,233 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:09:05,234 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:09:05,234 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:09:05,234 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:09:05,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:09:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:09:05,682 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:09:05,683 INFO L325 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-07 06:09:05,683 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:09:05,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:09:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:09:07,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 4849 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 06:09:07,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:09:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-10-07 06:09:07,199 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:09:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-10-07 06:09:07,445 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:09:07,445 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-07 06:09:07,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:09:07,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:09:07,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:09:07,447 INFO L87 Difference]: Start difference. First operand 4150 states and 5433 transitions. Second operand 3 states. [2019-10-07 06:09:07,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:09:07,941 INFO L93 Difference]: Finished difference Result 10264 states and 13469 transitions. [2019-10-07 06:09:07,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:09:07,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2019-10-07 06:09:07,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:09:07,983 INFO L225 Difference]: With dead ends: 10264 [2019-10-07 06:09:07,984 INFO L226 Difference]: Without dead ends: 6123 [2019-10-07 06:09:08,003 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:09:08,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6123 states. [2019-10-07 06:09:08,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6123 to 6104. [2019-10-07 06:09:08,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6104 states. [2019-10-07 06:09:08,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6104 states to 6104 states and 8022 transitions. [2019-10-07 06:09:08,549 INFO L78 Accepts]: Start accepts. Automaton has 6104 states and 8022 transitions. Word has length 247 [2019-10-07 06:09:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:09:08,550 INFO L462 AbstractCegarLoop]: Abstraction has 6104 states and 8022 transitions. [2019-10-07 06:09:08,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:09:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6104 states and 8022 transitions. [2019-10-07 06:09:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-07 06:09:08,580 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:09:08,581 INFO L385 BasicCegarLoop]: trace histogram [12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:09:08,795 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:09:08,796 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:09:08,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:09:08,797 INFO L82 PathProgramCache]: Analyzing trace with hash -851695794, now seen corresponding path program 1 times [2019-10-07 06:09:08,797 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:09:08,797 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:09:08,798 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:09:08,798 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:09:08,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:09:09,002 ERROR L261 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-07 06:09:09,003 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Benchmark is only available after the trace check is finished. at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getStatistics(TraceCheck.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.getStatistics(InterpolatingTraceCheck.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.aggregateStatistics(IpTcStrategyModuleTraceCheck.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 06:09:09,012 INFO L168 Benchmark]: Toolchain (without parser) took 56608.50 ms. Allocated memory was 137.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 92.1 MB in the beginning and 937.0 MB in the end (delta: -844.9 MB). Peak memory consumption was 188.5 MB. Max. memory is 7.1 GB. [2019-10-07 06:09:09,015 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 06:09:09,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2876.11 ms. Allocated memory was 137.4 MB in the beginning and 265.3 MB in the end (delta: 127.9 MB). Free memory was 91.7 MB in the beginning and 206.3 MB in the end (delta: -114.6 MB). Peak memory consumption was 118.8 MB. Max. memory is 7.1 GB. [2019-10-07 06:09:09,023 INFO L168 Benchmark]: Boogie Preprocessor took 341.26 ms. Allocated memory is still 265.3 MB. Free memory was 206.3 MB in the beginning and 182.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-10-07 06:09:09,024 INFO L168 Benchmark]: RCFGBuilder took 21300.82 ms. Allocated memory was 265.3 MB in the beginning and 492.3 MB in the end (delta: 227.0 MB). Free memory was 182.5 MB in the beginning and 67.8 MB in the end (delta: 114.7 MB). Peak memory consumption was 374.7 MB. Max. memory is 7.1 GB. [2019-10-07 06:09:09,025 INFO L168 Benchmark]: TraceAbstraction took 32085.07 ms. Allocated memory was 492.3 MB in the beginning and 1.2 GB in the end (delta: 678.4 MB). Free memory was 67.8 MB in the beginning and 937.0 MB in the end (delta: -869.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 06:09:09,037 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2876.11 ms. Allocated memory was 137.4 MB in the beginning and 265.3 MB in the end (delta: 127.9 MB). Free memory was 91.7 MB in the beginning and 206.3 MB in the end (delta: -114.6 MB). Peak memory consumption was 118.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 341.26 ms. Allocated memory is still 265.3 MB. Free memory was 206.3 MB in the beginning and 182.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21300.82 ms. Allocated memory was 265.3 MB in the beginning and 492.3 MB in the end (delta: 227.0 MB). Free memory was 182.5 MB in the beginning and 67.8 MB in the end (delta: 114.7 MB). Peak memory consumption was 374.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32085.07 ms. Allocated memory was 492.3 MB in the beginning and 1.2 GB in the end (delta: 678.4 MB). Free memory was 67.8 MB in the beginning and 937.0 MB in the end (delta: -869.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Benchmark is only available after the trace check is finished. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Benchmark is only available after the trace check is finished.: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getStatistics(TraceCheck.java:457) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...