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-f4eb214f-m [2019-10-13 20:20:46,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:20:46,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:20:46,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:20:46,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:20:46,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:20:46,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:20:46,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:20:46,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:20:46,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:20:46,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:20:46,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:20:46,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:20:46,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:20:46,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:20:46,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:20:46,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:20:46,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:20:46,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:20:46,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:20:46,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:20:46,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:20:46,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:20:46,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:20:46,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:20:46,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:20:46,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:20:46,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:20:46,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:20:46,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:20:46,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:20:46,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:20:46,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:20:46,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:20:46,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:20:46,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:20:46,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:20:46,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:20:46,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:20:46,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:20:46,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:20:46,512 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 [2019-10-13 20:20:46,527 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:20:46,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:20:46,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:20:46,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:20:46,529 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:20:46,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:20:46,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:20:46,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:20:46,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:20:46,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:20:46,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:20:46,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:20:46,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:20:46,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:20:46,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:20:46,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:20:46,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:20:46,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:20:46,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:20:46,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:20:46,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:20:46,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:20:46,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:20:46,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:20:46,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:20:46,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:20:46,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:20:46,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:20:46,534 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 [2019-10-13 20:20:46,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:20:46,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:20:46,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:20:46,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:20:46,882 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:20:46,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-13 20:20:46,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479f4c51a/4f71a037ecc640538beb5dfd51c08b9d/FLAGff1176e95 [2019-10-13 20:20:47,825 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:20:47,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-13 20:20:47,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479f4c51a/4f71a037ecc640538beb5dfd51c08b9d/FLAGff1176e95 [2019-10-13 20:20:48,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479f4c51a/4f71a037ecc640538beb5dfd51c08b9d [2019-10-13 20:20:48,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:20:48,343 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:20:48,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:20:48,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:20:48,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:20:48,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:20:48" (1/1) ... [2019-10-13 20:20:48,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3534b1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:48, skipping insertion in model container [2019-10-13 20:20:48,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:20:48" (1/1) ... [2019-10-13 20:20:48,359 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:20:48,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:20:50,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:20:50,380 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:20:50,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:20:50,935 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:20:50,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50 WrapperNode [2019-10-13 20:20:50,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:20:50,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:20:50,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:20:50,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:20:50,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:50,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:51,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:51,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:51,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:51,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:51,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:51,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:20:51,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:20:51,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:20:51,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:20:51,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (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 [2019-10-13 20:20:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:20:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:20:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:20:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:20:51,420 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:20:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:20:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:20:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:20:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-13 20:20:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 20:20:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-13 20:20:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-13 20:20:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-13 20:20:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-13 20:20:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:20:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:20:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:20:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:20:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:20:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 20:20:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 20:20:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dump_gate [2019-10-13 20:20:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_sync_regs [2019-10-13 20:20:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_mdelay [2019-10-13 20:20:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_misc_control [2019-10-13 20:20:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_modify_reg [2019-10-13 20:20:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_unit_power [2019-10-13 20:20:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_clock [2019-10-13 20:20:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_pll [2019-10-13 20:20:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_select_clock [2019-10-13 20:20:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_clock [2019-10-13 20:20:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_find_clock [2019-10-13 20:20:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm_device [2019-10-13 20:20:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_device_release [2019-10-13 20:20:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subdev [2019-10-13 20:20:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_device [2019-10-13 20:20:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subio [2019-10-13 20:20:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_mem [2019-10-13 20:20:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_irq [2019-10-13 20:20:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_usbhost [2019-10-13 20:20:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_setup_uart_data [2019-10-13 20:20:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_uart [2019-10-13 20:20:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_display [2019-10-13 20:20:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm501_gpio [2019-10-13 20:20:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_to_dev [2019-10-13 20:20:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_get [2019-10-13 20:20:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_ensure_gpio [2019-10-13 20:20:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_set [2019-10-13 20:20:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_input [2019-10-13 20:20:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_output [2019-10-13 20:20:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_register_chip [2019-10-13 20:20:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio [2019-10-13 20:20:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_remove [2019-10-13 20:20:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_pin2nr [2019-10-13 20:20:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_isregistered [2019-10-13 20:20:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c_instance [2019-10-13 20:20:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c [2019-10-13 20:20:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dbg_regs [2019-10-13 20:20:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_reg [2019-10-13 20:20:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_regs [2019-10-13 20:20:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_check_clocks [2019-10-13 20:20:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_dev [2019-10-13 20:20:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_probe [2019-10-13 20:20:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_power [2019-10-13 20:20:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_suspend [2019-10-13 20:20:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_resume [2019-10-13 20:20:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_probe [2019-10-13 20:20:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_remove_sub [2019-10-13 20:20:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dev_remove [2019-10-13 20:20:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_remove [2019-10-13 20:20:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_remove [2019-10-13 20:20:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_init [2019-10-13 20:20:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_exit [2019-10-13 20:20:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:20:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:20:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 20:20:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 20:20:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 20:20:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:20:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:20:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:20:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 20:20:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 20:20:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 20:20:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:20:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-13 20:20:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_register_13 [2019-10-13 20:20:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_14 [2019-10-13 20:20:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:20:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:20:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:20:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:20:51,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:20:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:20:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:20:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:20:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:20:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:20:51,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:20:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:20:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:20:51,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:20:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:20:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:20:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:20:51,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:20:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:20:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 20:20:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 20:20:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:20:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:20:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 20:20:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:20:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-13 20:20:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 20:20:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:20:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:20:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:20:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:20:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:20:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-13 20:20:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-13 20:20:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_add [2019-10-13 20:20:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_remove [2019-10-13 20:20:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-13 20:20:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-13 20:20:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:20:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 20:20:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:20:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:20:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:20:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 20:20:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 20:20:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2019-10-13 20:20:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 20:20:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2019-10-13 20:20:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-13 20:20:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2019-10-13 20:20:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-13 20:20:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-10-13 20:20:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-10-13 20:20:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:20:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-13 20:20:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:20:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:20:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 20:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 20:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 20:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 20:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-13 20:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 20:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 20:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 20:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-13 20:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-13 20:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-13 20:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 20:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-13 20:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-13 20:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-13 20:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-13 20:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 20:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 20:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-13 20:20:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-13 20:20:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:20:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:20:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:20:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 20:20:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2019-10-13 20:20:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-13 20:20:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-10-13 20:20:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-10-13 20:20:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2019-10-13 20:20:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_register_13 [2019-10-13 20:20:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-13 20:20:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_14 [2019-10-13 20:20:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-13 20:20:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-13 20:20:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 20:20:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 20:20:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 20:20:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 20:20:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:20:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:20:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:20:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:20:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:20:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:20:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:20:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:20:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:20:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 20:20:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 20:20:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2019-10-13 20:20:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_unit_power [2019-10-13 20:20:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_clock [2019-10-13 20:20:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_find_clock [2019-10-13 20:20:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_misc_control [2019-10-13 20:20:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_modify_reg [2019-10-13 20:20:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_add [2019-10-13 20:20:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_remove [2019-10-13 20:20:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dump_gate [2019-10-13 20:20:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_sync_regs [2019-10-13 20:20:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_mdelay [2019-10-13 20:20:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:20:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:20:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:20:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_clock [2019-10-13 20:20:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_pll [2019-10-13 20:20:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_select_clock [2019-10-13 20:20:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm_device [2019-10-13 20:20:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_device_release [2019-10-13 20:20:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subdev [2019-10-13 20:20:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_device [2019-10-13 20:20:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subio [2019-10-13 20:20:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_mem [2019-10-13 20:20:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_irq [2019-10-13 20:20:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_usbhost [2019-10-13 20:20:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_setup_uart_data [2019-10-13 20:20:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_uart [2019-10-13 20:20:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_display [2019-10-13 20:20:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm501_gpio [2019-10-13 20:20:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_to_dev [2019-10-13 20:20:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_get [2019-10-13 20:20:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_ensure_gpio [2019-10-13 20:20:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_set [2019-10-13 20:20:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_input [2019-10-13 20:20:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_output [2019-10-13 20:20:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_register_chip [2019-10-13 20:20:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio [2019-10-13 20:20:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_remove [2019-10-13 20:20:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_pin2nr [2019-10-13 20:20:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_isregistered [2019-10-13 20:20:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c_instance [2019-10-13 20:20:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c [2019-10-13 20:20:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dbg_regs [2019-10-13 20:20:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_reg [2019-10-13 20:20:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_regs [2019-10-13 20:20:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_check_clocks [2019-10-13 20:20:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_dev [2019-10-13 20:20:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_probe [2019-10-13 20:20:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_power [2019-10-13 20:20:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:20:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:20:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_suspend [2019-10-13 20:20:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_resume [2019-10-13 20:20:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_probe [2019-10-13 20:20:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_remove_sub [2019-10-13 20:20:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dev_remove [2019-10-13 20:20:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_remove [2019-10-13 20:20:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_remove [2019-10-13 20:20:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_init [2019-10-13 20:20:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_exit [2019-10-13 20:20:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:20:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:20:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:20:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:20:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:20:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2019-10-13 20:20:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:20:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:20:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:20:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:20:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:20:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:20:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:20:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:20:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:20:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:20:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:20:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:20:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:20:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:20:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:20:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:20:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:21:01,785 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:21:01,785 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:21:01,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:21:01 BoogieIcfgContainer [2019-10-13 20:21:01,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:21:01,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:21:01,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:21:01,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:21:01,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:20:48" (1/3) ... [2019-10-13 20:21:01,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a47b58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:21:01, skipping insertion in model container [2019-10-13 20:21:01,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50" (2/3) ... [2019-10-13 20:21:01,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a47b58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:21:01, skipping insertion in model container [2019-10-13 20:21:01,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:21:01" (3/3) ... [2019-10-13 20:21:01,796 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2019-10-13 20:21:01,807 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:21:01,817 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:21:01,830 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:21:01,867 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:21:01,868 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:21:01,868 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:21:01,868 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:21:01,868 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:21:01,868 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:21:01,868 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:21:01,868 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:21:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states. [2019-10-13 20:21:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-13 20:21:01,924 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:01,925 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] [2019-10-13 20:21:01,927 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:01,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:01,933 INFO L82 PathProgramCache]: Analyzing trace with hash -190337679, now seen corresponding path program 1 times [2019-10-13 20:21:01,943 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:01,944 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392193683] [2019-10-13 20:21:01,944 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:01,944 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:01,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:02,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392193683] [2019-10-13 20:21:02,797 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:02,797 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:02,797 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107492417] [2019-10-13 20:21:02,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:02,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:02,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:02,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:02,822 INFO L87 Difference]: Start difference. First operand 1270 states. Second operand 3 states. [2019-10-13 20:21:05,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:05,497 INFO L93 Difference]: Finished difference Result 3343 states and 4474 transitions. [2019-10-13 20:21:05,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:05,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-13 20:21:05,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:05,544 INFO L225 Difference]: With dead ends: 3343 [2019-10-13 20:21:05,544 INFO L226 Difference]: Without dead ends: 2206 [2019-10-13 20:21:05,559 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 [2019-10-13 20:21:05,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2019-10-13 20:21:05,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2202. [2019-10-13 20:21:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2019-10-13 20:21:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2904 transitions. [2019-10-13 20:21:05,824 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2904 transitions. Word has length 39 [2019-10-13 20:21:05,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:05,824 INFO L462 AbstractCegarLoop]: Abstraction has 2202 states and 2904 transitions. [2019-10-13 20:21:05,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2904 transitions. [2019-10-13 20:21:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 20:21:05,831 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:05,831 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] [2019-10-13 20:21:05,831 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:05,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:05,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1144144516, now seen corresponding path program 1 times [2019-10-13 20:21:05,832 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:05,832 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385931127] [2019-10-13 20:21:05,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:05,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:05,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:06,152 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385931127] [2019-10-13 20:21:06,152 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:06,153 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:06,153 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537576811] [2019-10-13 20:21:06,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:06,155 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:06,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:06,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:06,156 INFO L87 Difference]: Start difference. First operand 2202 states and 2904 transitions. Second operand 3 states. [2019-10-13 20:21:06,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:06,437 INFO L93 Difference]: Finished difference Result 2224 states and 2930 transitions. [2019-10-13 20:21:06,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:06,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-13 20:21:06,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:06,453 INFO L225 Difference]: With dead ends: 2224 [2019-10-13 20:21:06,453 INFO L226 Difference]: Without dead ends: 2213 [2019-10-13 20:21:06,455 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 [2019-10-13 20:21:06,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2019-10-13 20:21:06,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2202. [2019-10-13 20:21:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2019-10-13 20:21:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2903 transitions. [2019-10-13 20:21:06,558 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2903 transitions. Word has length 45 [2019-10-13 20:21:06,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:06,559 INFO L462 AbstractCegarLoop]: Abstraction has 2202 states and 2903 transitions. [2019-10-13 20:21:06,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2903 transitions. [2019-10-13 20:21:06,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 20:21:06,563 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:06,563 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] [2019-10-13 20:21:06,563 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:06,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:06,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1201402818, now seen corresponding path program 1 times [2019-10-13 20:21:06,564 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:06,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988265961] [2019-10-13 20:21:06,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:06,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:06,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:06,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988265961] [2019-10-13 20:21:06,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:06,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:06,834 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418641003] [2019-10-13 20:21:06,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:06,835 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:06,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:06,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:06,836 INFO L87 Difference]: Start difference. First operand 2202 states and 2903 transitions. Second operand 3 states. [2019-10-13 20:21:09,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:09,233 INFO L93 Difference]: Finished difference Result 2262 states and 2957 transitions. [2019-10-13 20:21:09,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:09,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-13 20:21:09,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:09,250 INFO L225 Difference]: With dead ends: 2262 [2019-10-13 20:21:09,250 INFO L226 Difference]: Without dead ends: 2258 [2019-10-13 20:21:09,252 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 [2019-10-13 20:21:09,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2258 states. [2019-10-13 20:21:09,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2258 to 2256. [2019-10-13 20:21:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2256 states. [2019-10-13 20:21:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 2950 transitions. [2019-10-13 20:21:09,481 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 2950 transitions. Word has length 45 [2019-10-13 20:21:09,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:09,482 INFO L462 AbstractCegarLoop]: Abstraction has 2256 states and 2950 transitions. [2019-10-13 20:21:09,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:09,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2950 transitions. [2019-10-13 20:21:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 20:21:09,486 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:09,486 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] [2019-10-13 20:21:09,486 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:09,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:09,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1411930085, now seen corresponding path program 1 times [2019-10-13 20:21:09,487 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:09,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057990221] [2019-10-13 20:21:09,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:09,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057990221] [2019-10-13 20:21:09,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:09,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:09,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703580780] [2019-10-13 20:21:09,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:09,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:09,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:09,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:09,742 INFO L87 Difference]: Start difference. First operand 2256 states and 2950 transitions. Second operand 3 states. [2019-10-13 20:21:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:12,278 INFO L93 Difference]: Finished difference Result 2258 states and 2951 transitions. [2019-10-13 20:21:12,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:12,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 20:21:12,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:12,294 INFO L225 Difference]: With dead ends: 2258 [2019-10-13 20:21:12,294 INFO L226 Difference]: Without dead ends: 2255 [2019-10-13 20:21:12,296 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 [2019-10-13 20:21:12,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2019-10-13 20:21:12,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2255. [2019-10-13 20:21:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2255 states. [2019-10-13 20:21:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2948 transitions. [2019-10-13 20:21:12,402 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2948 transitions. Word has length 46 [2019-10-13 20:21:12,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:12,403 INFO L462 AbstractCegarLoop]: Abstraction has 2255 states and 2948 transitions. [2019-10-13 20:21:12,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2948 transitions. [2019-10-13 20:21:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 20:21:12,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:12,406 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] [2019-10-13 20:21:12,407 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:12,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:12,407 INFO L82 PathProgramCache]: Analyzing trace with hash -820866587, now seen corresponding path program 1 times [2019-10-13 20:21:12,407 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:12,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479708976] [2019-10-13 20:21:12,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:12,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:12,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:12,614 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479708976] [2019-10-13 20:21:12,614 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:12,614 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:12,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697091351] [2019-10-13 20:21:12,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:12,615 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:12,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:12,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:12,616 INFO L87 Difference]: Start difference. First operand 2255 states and 2948 transitions. Second operand 3 states. [2019-10-13 20:21:15,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:15,040 INFO L93 Difference]: Finished difference Result 2257 states and 2949 transitions. [2019-10-13 20:21:15,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:15,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 20:21:15,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:15,056 INFO L225 Difference]: With dead ends: 2257 [2019-10-13 20:21:15,056 INFO L226 Difference]: Without dead ends: 2254 [2019-10-13 20:21:15,058 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 [2019-10-13 20:21:15,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2019-10-13 20:21:15,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2254. [2019-10-13 20:21:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2254 states. [2019-10-13 20:21:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 2946 transitions. [2019-10-13 20:21:15,174 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 2946 transitions. Word has length 47 [2019-10-13 20:21:15,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:15,174 INFO L462 AbstractCegarLoop]: Abstraction has 2254 states and 2946 transitions. [2019-10-13 20:21:15,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2946 transitions. [2019-10-13 20:21:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 20:21:15,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:15,177 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] [2019-10-13 20:21:15,177 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:15,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:15,178 INFO L82 PathProgramCache]: Analyzing trace with hash 322237534, now seen corresponding path program 1 times [2019-10-13 20:21:15,178 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:15,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666538967] [2019-10-13 20:21:15,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:15,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:15,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:15,407 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666538967] [2019-10-13 20:21:15,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:15,408 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:15,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311183217] [2019-10-13 20:21:15,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:15,408 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:15,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:15,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:15,409 INFO L87 Difference]: Start difference. First operand 2254 states and 2946 transitions. Second operand 3 states. [2019-10-13 20:21:17,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:17,763 INFO L93 Difference]: Finished difference Result 2256 states and 2947 transitions. [2019-10-13 20:21:17,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:17,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-13 20:21:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:17,873 INFO L225 Difference]: With dead ends: 2256 [2019-10-13 20:21:17,874 INFO L226 Difference]: Without dead ends: 2231 [2019-10-13 20:21:17,879 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 [2019-10-13 20:21:17,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2019-10-13 20:21:18,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2019-10-13 20:21:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2019-10-13 20:21:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2921 transitions. [2019-10-13 20:21:18,048 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2921 transitions. Word has length 48 [2019-10-13 20:21:18,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:18,050 INFO L462 AbstractCegarLoop]: Abstraction has 2231 states and 2921 transitions. [2019-10-13 20:21:18,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2921 transitions. [2019-10-13 20:21:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-13 20:21:18,068 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:18,068 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] [2019-10-13 20:21:18,068 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:18,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:18,069 INFO L82 PathProgramCache]: Analyzing trace with hash 440299504, now seen corresponding path program 1 times [2019-10-13 20:21:18,069 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:18,069 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412140378] [2019-10-13 20:21:18,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:18,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:18,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-10-13 20:21:18,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412140378] [2019-10-13 20:21:18,452 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:18,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:18,452 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916379270] [2019-10-13 20:21:18,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:18,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:18,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:18,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:18,456 INFO L87 Difference]: Start difference. First operand 2231 states and 2921 transitions. Second operand 3 states. [2019-10-13 20:21:18,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:18,892 INFO L93 Difference]: Finished difference Result 6289 states and 8218 transitions. [2019-10-13 20:21:18,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:18,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2019-10-13 20:21:18,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:18,919 INFO L225 Difference]: With dead ends: 6289 [2019-10-13 20:21:18,919 INFO L226 Difference]: Without dead ends: 4069 [2019-10-13 20:21:18,929 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 [2019-10-13 20:21:18,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4069 states. [2019-10-13 20:21:19,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4069 to 4056. [2019-10-13 20:21:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4056 states. [2019-10-13 20:21:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 4056 states and 5292 transitions. [2019-10-13 20:21:19,188 INFO L78 Accepts]: Start accepts. Automaton has 4056 states and 5292 transitions. Word has length 230 [2019-10-13 20:21:19,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:19,189 INFO L462 AbstractCegarLoop]: Abstraction has 4056 states and 5292 transitions. [2019-10-13 20:21:19,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4056 states and 5292 transitions. [2019-10-13 20:21:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-13 20:21:19,215 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:19,216 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, 1, 1] [2019-10-13 20:21:19,217 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:19,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:19,217 INFO L82 PathProgramCache]: Analyzing trace with hash 61928386, now seen corresponding path program 1 times [2019-10-13 20:21:19,218 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:19,218 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352722628] [2019-10-13 20:21:19,218 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:19,218 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:19,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-13 20:21:19,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352722628] [2019-10-13 20:21:19,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339760781] [2019-10-13 20:21:19,802 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 [2019-10-13 20:21:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:21,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 4797 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 20:21:21,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:21:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-10-13 20:21:21,647 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:21:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2019-10-13 20:21:21,969 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 20:21:21,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 4 [2019-10-13 20:21:21,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373182334] [2019-10-13 20:21:21,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:21,971 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:21,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:21,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:21:21,971 INFO L87 Difference]: Start difference. First operand 4056 states and 5292 transitions. Second operand 3 states. [2019-10-13 20:21:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:22,133 INFO L93 Difference]: Finished difference Result 8105 states and 10621 transitions. [2019-10-13 20:21:22,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:22,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-13 20:21:22,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:22,160 INFO L225 Difference]: With dead ends: 8105 [2019-10-13 20:21:22,160 INFO L226 Difference]: Without dead ends: 4060 [2019-10-13 20:21:22,177 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:21:22,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4060 states.