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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:19:49,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:19:49,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:19:49,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:19:49,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:19:49,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:19:49,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:19:49,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:19:49,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:19:49,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:19:49,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:19:49,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:19:49,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:19:49,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:19:49,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:19:49,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:19:49,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:19:49,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:19:49,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:19:49,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:19:49,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:19:49,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:19:49,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:19:49,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:19:49,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:19:49,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:19:49,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:19:49,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:19:49,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:19:49,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:19:49,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:19:49,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:19:49,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:19:49,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:19:49,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:19:49,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:19:49,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:19:49,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:19:49,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:19:49,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:19:49,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:19:49,626 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 [2019-10-15 00:19:49,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:19:49,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:19:49,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:19:49,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:19:49,649 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:19:49,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:19:49,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:19:49,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:19:49,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:19:49,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:19:49,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:19:49,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:19:49,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:19:49,652 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:19:49,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:19:49,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:19:49,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:19:49,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:19:49,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:19:49,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:19:49,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:19:49,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:19:49,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:19:49,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:19:49,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:19:49,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:19:49,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:19:49,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:19:49,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:19:49,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:19:49,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:19:49,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:19:49,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:19:49,974 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:19:49,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-15 00:19:50,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c75c94e/521ead9948c44161806ed81ea488f3ef/FLAGa420692d4 [2019-10-15 00:19:50,824 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:19:50,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-15 00:19:50,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c75c94e/521ead9948c44161806ed81ea488f3ef/FLAGa420692d4 [2019-10-15 00:19:50,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c75c94e/521ead9948c44161806ed81ea488f3ef [2019-10-15 00:19:50,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:19:50,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:19:50,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:19:50,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:19:50,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:19:50,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:19:50" (1/1) ... [2019-10-15 00:19:50,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599a6431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:50, skipping insertion in model container [2019-10-15 00:19:50,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:19:50" (1/1) ... [2019-10-15 00:19:50,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:19:51,070 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:19:52,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:19:52,756 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:19:53,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:19:53,418 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:19:53,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53 WrapperNode [2019-10-15 00:19:53,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:19:53,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:19:53,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:19:53,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:19:53,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:19:53,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:19:53,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:19:53,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:19:53,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (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 [2019-10-15 00:19:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:19:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:19:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:19:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 00:19:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:19:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:19:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:19:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:19:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-15 00:19:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 00:19:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-15 00:19:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-15 00:19:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-15 00:19:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-15 00:19:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:19:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:19:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:19:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:19:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:19:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 00:19:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 00:19:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dump_gate [2019-10-15 00:19:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_sync_regs [2019-10-15 00:19:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_mdelay [2019-10-15 00:19:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_misc_control [2019-10-15 00:19:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_modify_reg [2019-10-15 00:19:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_unit_power [2019-10-15 00:19:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_clock [2019-10-15 00:19:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_pll [2019-10-15 00:19:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_select_clock [2019-10-15 00:19:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_clock [2019-10-15 00:19:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_find_clock [2019-10-15 00:19:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm_device [2019-10-15 00:19:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_device_release [2019-10-15 00:19:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subdev [2019-10-15 00:19:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_device [2019-10-15 00:19:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subio [2019-10-15 00:19:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_mem [2019-10-15 00:19:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_irq [2019-10-15 00:19:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_usbhost [2019-10-15 00:19:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_setup_uart_data [2019-10-15 00:19:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_uart [2019-10-15 00:19:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_display [2019-10-15 00:19:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm501_gpio [2019-10-15 00:19:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_to_dev [2019-10-15 00:19:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_get [2019-10-15 00:19:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_ensure_gpio [2019-10-15 00:19:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_set [2019-10-15 00:19:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_input [2019-10-15 00:19:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_output [2019-10-15 00:19:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_register_chip [2019-10-15 00:19:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio [2019-10-15 00:19:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_remove [2019-10-15 00:19:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_pin2nr [2019-10-15 00:19:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_isregistered [2019-10-15 00:19:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c_instance [2019-10-15 00:19:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c [2019-10-15 00:19:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dbg_regs [2019-10-15 00:19:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_reg [2019-10-15 00:19:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_regs [2019-10-15 00:19:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_check_clocks [2019-10-15 00:19:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_dev [2019-10-15 00:19:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_probe [2019-10-15 00:19:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_power [2019-10-15 00:19:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_suspend [2019-10-15 00:19:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_resume [2019-10-15 00:19:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_probe [2019-10-15 00:19:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_remove_sub [2019-10-15 00:19:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dev_remove [2019-10-15 00:19:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_remove [2019-10-15 00:19:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_remove [2019-10-15 00:19:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_init [2019-10-15 00:19:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_exit [2019-10-15 00:19:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:19:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 00:19:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 00:19:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 00:19:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 00:19:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 00:19:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 00:19:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 00:19:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-15 00:19:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 00:19:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-15 00:19:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 00:19:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-15 00:19:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_register_13 [2019-10-15 00:19:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_14 [2019-10-15 00:19:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:19:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:19:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:19:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:19:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:19:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:19:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:19:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:19:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:19:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:19:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:19:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:19:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:19:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:19:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:19:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:19:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:19:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:19:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:19:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 00:19:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 00:19:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:19:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:19:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 00:19:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:19:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-15 00:19:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 00:19:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 00:19:53,896 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:19:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 00:19:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:19:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:19:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-15 00:19:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-15 00:19:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_add [2019-10-15 00:19:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_remove [2019-10-15 00:19:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-15 00:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-15 00:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 00:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-15 00:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:19:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:19:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 00:19:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 00:19:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2019-10-15 00:19:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 00:19:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2019-10-15 00:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-15 00:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2019-10-15 00:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-15 00:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-10-15 00:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-10-15 00:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:19:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-15 00:19:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:19:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:19:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:19:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:19:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:19:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 00:19:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 00:19:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:19:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:19:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 00:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:19:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 00:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 00:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 00:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 00:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 00:19:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 00:19:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-15 00:19:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:19:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 00:19:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 00:19:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 00:19:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-15 00:19:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-15 00:19:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:19:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:19:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:19:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:19:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:19:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:19:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:19:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 00:19:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:19:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:19:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:19:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-15 00:19:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-15 00:19:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-15 00:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 00:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-15 00:19:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-15 00:19:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-15 00:19:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-15 00:19:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 00:19:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-15 00:19:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-15 00:19:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-15 00:19:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:19:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:19:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 00:19:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 00:19:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2019-10-15 00:19:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-15 00:19:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-10-15 00:19:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-10-15 00:19:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2019-10-15 00:19:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_register_13 [2019-10-15 00:19:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-15 00:19:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_14 [2019-10-15 00:19:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-15 00:19:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-15 00:19:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 00:19:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 00:19:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 00:19:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 00:19:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:19:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:19:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:19:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:19:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:19:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 00:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 00:19:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2019-10-15 00:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_unit_power [2019-10-15 00:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_clock [2019-10-15 00:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_find_clock [2019-10-15 00:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_misc_control [2019-10-15 00:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_modify_reg [2019-10-15 00:19:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_add [2019-10-15 00:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_remove [2019-10-15 00:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dump_gate [2019-10-15 00:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_sync_regs [2019-10-15 00:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_mdelay [2019-10-15 00:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:19:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:19:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:19:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_clock [2019-10-15 00:19:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_pll [2019-10-15 00:19:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_select_clock [2019-10-15 00:19:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm_device [2019-10-15 00:19:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_device_release [2019-10-15 00:19:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subdev [2019-10-15 00:19:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_device [2019-10-15 00:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subio [2019-10-15 00:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_mem [2019-10-15 00:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_irq [2019-10-15 00:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_usbhost [2019-10-15 00:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_setup_uart_data [2019-10-15 00:19:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_uart [2019-10-15 00:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_display [2019-10-15 00:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm501_gpio [2019-10-15 00:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_to_dev [2019-10-15 00:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_get [2019-10-15 00:19:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_ensure_gpio [2019-10-15 00:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_set [2019-10-15 00:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_input [2019-10-15 00:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_output [2019-10-15 00:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_register_chip [2019-10-15 00:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio [2019-10-15 00:19:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_remove [2019-10-15 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_pin2nr [2019-10-15 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_isregistered [2019-10-15 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c_instance [2019-10-15 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c [2019-10-15 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dbg_regs [2019-10-15 00:19:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_reg [2019-10-15 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_regs [2019-10-15 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_check_clocks [2019-10-15 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_dev [2019-10-15 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_probe [2019-10-15 00:19:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_power [2019-10-15 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_suspend [2019-10-15 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_resume [2019-10-15 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_probe [2019-10-15 00:19:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_remove_sub [2019-10-15 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dev_remove [2019-10-15 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_remove [2019-10-15 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_remove [2019-10-15 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_init [2019-10-15 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_exit [2019-10-15 00:19:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2019-10-15 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:19:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:19:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:19:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:19:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:19:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:19:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:19:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:19:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:19:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:19:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:19:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:19:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:19:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:20:02,150 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:20:02,150 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:20:02,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:02 BoogieIcfgContainer [2019-10-15 00:20:02,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:20:02,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:20:02,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:20:02,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:20:02,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:19:50" (1/3) ... [2019-10-15 00:20:02,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a256b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:20:02, skipping insertion in model container [2019-10-15 00:20:02,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (2/3) ... [2019-10-15 00:20:02,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a256b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:20:02, skipping insertion in model container [2019-10-15 00:20:02,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:02" (3/3) ... [2019-10-15 00:20:02,161 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-15 00:20:02,171 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:20:02,185 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:20:02,197 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:20:02,236 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:20:02,237 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:20:02,237 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:20:02,237 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:20:02,237 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:20:02,237 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:20:02,237 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:20:02,237 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:20:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states. [2019-10-15 00:20:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 00:20:02,301 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:02,302 INFO L380 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] [2019-10-15 00:20:02,304 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:02,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:02,311 INFO L82 PathProgramCache]: Analyzing trace with hash -190337679, now seen corresponding path program 1 times [2019-10-15 00:20:02,321 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:02,321 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584581196] [2019-10-15 00:20:02,321 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:02,322 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:02,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:03,226 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584581196] [2019-10-15 00:20:03,227 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:03,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:03,228 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330599724] [2019-10-15 00:20:03,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:03,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:03,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:03,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:03,255 INFO L87 Difference]: Start difference. First operand 1270 states. Second operand 3 states. [2019-10-15 00:20:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:05,880 INFO L93 Difference]: Finished difference Result 3343 states and 4474 transitions. [2019-10-15 00:20:05,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:05,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-15 00:20:05,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:05,935 INFO L225 Difference]: With dead ends: 3343 [2019-10-15 00:20:05,936 INFO L226 Difference]: Without dead ends: 2206 [2019-10-15 00:20:05,952 INFO L600 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 [2019-10-15 00:20:05,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2019-10-15 00:20:06,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2202. [2019-10-15 00:20:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2019-10-15 00:20:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2904 transitions. [2019-10-15 00:20:06,223 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2904 transitions. Word has length 39 [2019-10-15 00:20:06,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:06,225 INFO L462 AbstractCegarLoop]: Abstraction has 2202 states and 2904 transitions. [2019-10-15 00:20:06,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:06,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2904 transitions. [2019-10-15 00:20:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 00:20:06,244 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:06,244 INFO L380 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, 1, 1, 1, 1] [2019-10-15 00:20:06,245 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:06,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:06,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1144144516, now seen corresponding path program 1 times [2019-10-15 00:20:06,245 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:06,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265160646] [2019-10-15 00:20:06,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:06,251 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:06,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:06,582 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265160646] [2019-10-15 00:20:06,582 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:06,582 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:06,583 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822207966] [2019-10-15 00:20:06,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:06,587 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:06,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:06,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:06,588 INFO L87 Difference]: Start difference. First operand 2202 states and 2904 transitions. Second operand 3 states. [2019-10-15 00:20:06,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:06,895 INFO L93 Difference]: Finished difference Result 2224 states and 2930 transitions. [2019-10-15 00:20:06,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:06,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-15 00:20:06,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:06,911 INFO L225 Difference]: With dead ends: 2224 [2019-10-15 00:20:06,911 INFO L226 Difference]: Without dead ends: 2213 [2019-10-15 00:20:06,914 INFO L600 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 [2019-10-15 00:20:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2019-10-15 00:20:06,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2202. [2019-10-15 00:20:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2019-10-15 00:20:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2903 transitions. [2019-10-15 00:20:07,011 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2903 transitions. Word has length 45 [2019-10-15 00:20:07,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:07,011 INFO L462 AbstractCegarLoop]: Abstraction has 2202 states and 2903 transitions. [2019-10-15 00:20:07,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2903 transitions. [2019-10-15 00:20:07,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 00:20:07,017 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:07,018 INFO L380 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, 1, 1, 1, 1] [2019-10-15 00:20:07,018 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:07,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:07,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1201402818, now seen corresponding path program 1 times [2019-10-15 00:20:07,019 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:07,019 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975617569] [2019-10-15 00:20:07,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:07,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:07,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:07,393 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2019-10-15 00:20:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:07,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975617569] [2019-10-15 00:20:07,398 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:07,398 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:07,399 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275451446] [2019-10-15 00:20:07,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:07,400 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:07,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:07,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:07,401 INFO L87 Difference]: Start difference. First operand 2202 states and 2903 transitions. Second operand 3 states. [2019-10-15 00:20:09,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:09,900 INFO L93 Difference]: Finished difference Result 2262 states and 2957 transitions. [2019-10-15 00:20:09,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:09,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-15 00:20:09,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:09,914 INFO L225 Difference]: With dead ends: 2262 [2019-10-15 00:20:09,915 INFO L226 Difference]: Without dead ends: 2258 [2019-10-15 00:20:09,917 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:09,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2258 states. [2019-10-15 00:20:10,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2258 to 2256. [2019-10-15 00:20:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2256 states. [2019-10-15 00:20:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 2950 transitions. [2019-10-15 00:20:10,019 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 2950 transitions. Word has length 45 [2019-10-15 00:20:10,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:10,020 INFO L462 AbstractCegarLoop]: Abstraction has 2256 states and 2950 transitions. [2019-10-15 00:20:10,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2950 transitions. [2019-10-15 00:20:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 00:20:10,022 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:10,022 INFO L380 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, 1, 1, 1, 1, 1] [2019-10-15 00:20:10,023 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:10,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:10,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1411930085, now seen corresponding path program 1 times [2019-10-15 00:20:10,023 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:10,024 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356985529] [2019-10-15 00:20:10,024 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:10,024 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:10,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:10,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356985529] [2019-10-15 00:20:10,250 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:10,250 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:10,250 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638075597] [2019-10-15 00:20:10,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:10,251 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:10,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:10,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:10,252 INFO L87 Difference]: Start difference. First operand 2256 states and 2950 transitions. Second operand 3 states. [2019-10-15 00:20:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:12,777 INFO L93 Difference]: Finished difference Result 2258 states and 2951 transitions. [2019-10-15 00:20:12,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:12,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-15 00:20:12,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:12,805 INFO L225 Difference]: With dead ends: 2258 [2019-10-15 00:20:12,805 INFO L226 Difference]: Without dead ends: 2255 [2019-10-15 00:20:12,808 INFO L600 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 [2019-10-15 00:20:12,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2019-10-15 00:20:12,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2255. [2019-10-15 00:20:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2255 states. [2019-10-15 00:20:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2948 transitions. [2019-10-15 00:20:12,948 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2948 transitions. Word has length 46 [2019-10-15 00:20:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:12,949 INFO L462 AbstractCegarLoop]: Abstraction has 2255 states and 2948 transitions. [2019-10-15 00:20:12,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2948 transitions. [2019-10-15 00:20:12,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 00:20:12,952 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:12,956 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:12,957 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:12,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:12,957 INFO L82 PathProgramCache]: Analyzing trace with hash -820866587, now seen corresponding path program 1 times [2019-10-15 00:20:12,957 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:12,958 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321213644] [2019-10-15 00:20:12,958 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:12,958 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:12,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:13,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321213644] [2019-10-15 00:20:13,193 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:13,193 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:13,193 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928746578] [2019-10-15 00:20:13,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:13,194 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:13,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:13,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:13,195 INFO L87 Difference]: Start difference. First operand 2255 states and 2948 transitions. Second operand 3 states. [2019-10-15 00:20:15,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:15,684 INFO L93 Difference]: Finished difference Result 2257 states and 2949 transitions. [2019-10-15 00:20:15,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:15,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 00:20:15,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:15,703 INFO L225 Difference]: With dead ends: 2257 [2019-10-15 00:20:15,703 INFO L226 Difference]: Without dead ends: 2254 [2019-10-15 00:20:15,705 INFO L600 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 [2019-10-15 00:20:15,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2019-10-15 00:20:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2254. [2019-10-15 00:20:15,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2254 states. [2019-10-15 00:20:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 2946 transitions. [2019-10-15 00:20:15,831 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 2946 transitions. Word has length 47 [2019-10-15 00:20:15,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:15,832 INFO L462 AbstractCegarLoop]: Abstraction has 2254 states and 2946 transitions. [2019-10-15 00:20:15,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:15,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2946 transitions. [2019-10-15 00:20:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-15 00:20:15,836 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:15,836 INFO L380 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:15,836 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:15,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash 322237534, now seen corresponding path program 1 times [2019-10-15 00:20:15,837 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:15,837 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503881467] [2019-10-15 00:20:15,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:15,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:15,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:16,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503881467] [2019-10-15 00:20:16,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:16,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:16,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820869376] [2019-10-15 00:20:16,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:16,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:16,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:16,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:16,214 INFO L87 Difference]: Start difference. First operand 2254 states and 2946 transitions. Second operand 3 states. [2019-10-15 00:20:18,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:18,445 INFO L93 Difference]: Finished difference Result 2256 states and 2947 transitions. [2019-10-15 00:20:18,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:18,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-15 00:20:18,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:18,616 INFO L225 Difference]: With dead ends: 2256 [2019-10-15 00:20:18,617 INFO L226 Difference]: Without dead ends: 2231 [2019-10-15 00:20:18,619 INFO L600 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 [2019-10-15 00:20:18,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2019-10-15 00:20:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2019-10-15 00:20:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2019-10-15 00:20:18,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2921 transitions. [2019-10-15 00:20:18,753 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2921 transitions. Word has length 48 [2019-10-15 00:20:18,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:18,753 INFO L462 AbstractCegarLoop]: Abstraction has 2231 states and 2921 transitions. [2019-10-15 00:20:18,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2921 transitions. [2019-10-15 00:20:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-15 00:20:18,768 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:18,769 INFO L380 BasicCegarLoop]: trace histogram [11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:18,769 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:18,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:18,770 INFO L82 PathProgramCache]: Analyzing trace with hash 440299504, now seen corresponding path program 1 times [2019-10-15 00:20:18,770 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:18,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235148191] [2019-10-15 00:20:18,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:18,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:18,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-10-15 00:20:19,151 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235148191] [2019-10-15 00:20:19,151 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:19,151 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:19,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210759478] [2019-10-15 00:20:19,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:19,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:19,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:19,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:19,153 INFO L87 Difference]: Start difference. First operand 2231 states and 2921 transitions. Second operand 3 states. [2019-10-15 00:20:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:19,606 INFO L93 Difference]: Finished difference Result 6289 states and 8218 transitions. [2019-10-15 00:20:19,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:19,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2019-10-15 00:20:19,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:19,642 INFO L225 Difference]: With dead ends: 6289 [2019-10-15 00:20:19,642 INFO L226 Difference]: Without dead ends: 4069 [2019-10-15 00:20:19,655 INFO L600 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 [2019-10-15 00:20:19,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4069 states. [2019-10-15 00:20:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4069 to 4056. [2019-10-15 00:20:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4056 states. [2019-10-15 00:20:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 4056 states and 5292 transitions. [2019-10-15 00:20:20,045 INFO L78 Accepts]: Start accepts. Automaton has 4056 states and 5292 transitions. Word has length 230 [2019-10-15 00:20:20,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:20,045 INFO L462 AbstractCegarLoop]: Abstraction has 4056 states and 5292 transitions. [2019-10-15 00:20:20,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 4056 states and 5292 transitions. [2019-10-15 00:20:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-10-15 00:20:20,068 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:20,069 INFO L380 BasicCegarLoop]: trace histogram [11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:20,069 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:20,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:20,070 INFO L82 PathProgramCache]: Analyzing trace with hash 259547069, now seen corresponding path program 1 times [2019-10-15 00:20:20,070 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:20,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695371581] [2019-10-15 00:20:20,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:20,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:20,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-15 00:20:20,510 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695371581] [2019-10-15 00:20:20,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140566060] [2019-10-15 00:20:20,511 INFO L94 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 [2019-10-15 00:20:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:21,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 4793 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-15 00:20:21,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:20:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-10-15 00:20:22,056 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 00:20:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2019-10-15 00:20:22,338 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 00:20:22,338 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 4 [2019-10-15 00:20:22,338 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724568779] [2019-10-15 00:20:22,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:22,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:22,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:22,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:20:22,340 INFO L87 Difference]: Start difference. First operand 4056 states and 5292 transitions. Second operand 3 states. [2019-10-15 00:20:22,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:22,532 INFO L93 Difference]: Finished difference Result 8105 states and 10621 transitions. [2019-10-15 00:20:22,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:22,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-10-15 00:20:22,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:22,561 INFO L225 Difference]: With dead ends: 8105 [2019-10-15 00:20:22,561 INFO L226 Difference]: Without dead ends: 4060 [2019-10-15 00:20:22,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:20:22,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4060 states. [2019-10-15 00:20:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4060 to 4060. [2019-10-15 00:20:22,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4060 states. [2019-10-15 00:20:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 4060 states and 5292 transitions. [2019-10-15 00:20:22,829 INFO L78 Accepts]: Start accepts. Automaton has 4060 states and 5292 transitions. Word has length 284 [2019-10-15 00:20:22,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:22,830 INFO L462 AbstractCegarLoop]: Abstraction has 4060 states and 5292 transitions. [2019-10-15 00:20:22,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4060 states and 5292 transitions. [2019-10-15 00:20:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-10-15 00:20:22,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:22,857 INFO L380 BasicCegarLoop]: trace histogram [11, 11, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:23,072 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:20:23,073 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:23,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:23,074 INFO L82 PathProgramCache]: Analyzing trace with hash -680609136, now seen corresponding path program 1 times [2019-10-15 00:20:23,074 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:23,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222064444] [2019-10-15 00:20:23,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:23,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:23,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:23,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222064444] [2019-10-15 00:20:23,435 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-15 00:20:23,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665633024] [2019-10-15 00:20:23,436 INFO L94 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 [2019-10-15 00:20:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:25,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-15 00:20:25,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:20:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-10-15 00:20:25,108 INFO L321 TraceCheckSpWp]: Computing backward predicates...