java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:07:00,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:07:00,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:07:00,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:07:00,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:07:00,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:07:00,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:07:00,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:07:00,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:07:00,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:07:00,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:07:00,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:07:00,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:07:00,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:07:00,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:07:00,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:07:00,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:07:00,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:07:00,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:07:00,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:07:00,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:07:00,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:07:00,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:07:00,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:07:00,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:07:00,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:07:00,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:07:00,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:07:00,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:07:00,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:07:00,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:07:00,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:07:00,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:07:00,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:07:00,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:07:00,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:07:00,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:07:00,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:07:00,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:07:00,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:07:00,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:07:00,681 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 22:07:00,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:07:00,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:07:00,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:07:00,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:07:00,704 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:07:00,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:07:00,705 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:07:00,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:07:00,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:07:00,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:07:00,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:07:00,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:07:00,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:07:00,706 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:07:00,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:07:00,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:07:00,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:07:00,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:07:00,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:07:00,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:07:00,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:07:00,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:07:00,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:07:00,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:07:00,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:07:00,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:07:00,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:07:00,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:07:00,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:07:01,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:07:01,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:07:01,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:07:01,030 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:07:01,030 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:07:01,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-13 22:07:01,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6754d11ad/64dfb719b729444484493c729a5e5361/FLAG6c514fd42 [2019-10-13 22:07:01,959 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:07:01,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-13 22:07:02,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6754d11ad/64dfb719b729444484493c729a5e5361/FLAG6c514fd42 [2019-10-13 22:07:02,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6754d11ad/64dfb719b729444484493c729a5e5361 [2019-10-13 22:07:02,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:07:02,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:07:02,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:07:02,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:07:02,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:07:02,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:07:02" (1/1) ... [2019-10-13 22:07:02,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ead7aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:02, skipping insertion in model container [2019-10-13 22:07:02,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:07:02" (1/1) ... [2019-10-13 22:07:02,501 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:07:02,632 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:07:04,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:07:04,882 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:07:05,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:07:05,549 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:07:05,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05 WrapperNode [2019-10-13 22:07:05,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:07:05,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:07:05,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:07:05,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:07:05,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (1/1) ... [2019-10-13 22:07:05,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (1/1) ... [2019-10-13 22:07:05,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (1/1) ... [2019-10-13 22:07:05,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (1/1) ... [2019-10-13 22:07:05,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (1/1) ... [2019-10-13 22:07:05,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (1/1) ... [2019-10-13 22:07:05,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (1/1) ... [2019-10-13 22:07:05,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:07:05,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:07:05,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:07:05,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:07:05,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (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 22:07:06,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:07:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:07:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-10-13 22:07:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 22:07:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 22:07:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 22:07:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:07:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 22:07:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:07:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:07:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 22:07:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 22:07:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 22:07:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:07:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:07:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 22:07:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-13 22:07:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 22:07:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-13 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-10-13 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure to_saa7146_dev [2019-10-13 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2019-10-13 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2019-10-13 22:07:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_func [2019-10-13 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_status [2019-10-13 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_prepare [2019-10-13 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_cleanup [2019-10-13 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_reset [2019-10-13 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_writeout [2019-10-13 22:07:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_transfer [2019-10-13 22:07:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_xfer [2019-10-13 22:07:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_adapter_prepare [2019-10-13 22:07:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:07:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 22:07:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 22:07:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 22:07:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 22:07:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 22:07:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 22:07:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 22:07:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 22:07:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 22:07:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-13 22:07:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 22:07:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 22:07:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 22:07:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-13 22:07:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:07:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:07:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:07:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:07:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-13 22:07:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-13 22:07:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:07:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHighMem [2019-10-13 22:07:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-13 22:07:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-13 22:07:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-13 22:07:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-10-13 22:07:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2019-10-13 22:07:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-13 22:07:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-13 22:07:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-13 22:07:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 22:07:06,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2019-10-13 22:07:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2019-10-13 22:07:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-13 22:07:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-13 22:07:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 22:07:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 22:07:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-13 22:07:06,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 22:07:06,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2019-10-13 22:07:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2019-10-13 22:07:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 22:07:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 22:07:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:07:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_setgpio [2019-10-13 22:07:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_sleep [2019-10-13 22:07:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_busyloop [2019-10-13 22:07:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done [2019-10-13 22:07:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_sg [2019-10-13 22:07:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vmalloc_build_pgtable [2019-10-13 22:07:06,030 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vfree_destroy_pgtable [2019-10-13 22:07:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2019-10-13 22:07:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2019-10-13 22:07:06,031 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2019-10-13 22:07:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_hw [2019-10-13 22:07:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_init_one [2019-10-13 22:07:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_remove_one [2019-10-13 22:07:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_register_extension [2019-10-13 22:07:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_unregister_extension [2019-10-13 22:07:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-13 22:07:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-13 22:07:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-13 22:07:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_26 [2019-10-13 22:07:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-13 22:07:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-13 22:07:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 22:07:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:07:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:07:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:07:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:07:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:07:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:07:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:07:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:07:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:07:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:07:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:07:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:07:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:07:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:07:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:07:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:07:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:07:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:07:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 22:07:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 22:07:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:07:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:07:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 22:07:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:07:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 22:07:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:07:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:07:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-13 22:07:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-13 22:07:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_sg [2019-10-13 22:07:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_sg [2019-10-13 22:07:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:07:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:07:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 22:07:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:07:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-13 22:07:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-13 22:07:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-13 22:07:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 22:07:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:07:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 22:07:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:07:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:07:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 22:07:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 22:07:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2019-10-13 22:07:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2019-10-13 22:07:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-13 22:07:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 22:07:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-13 22:07:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:07:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:07:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 22:07:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-13 22:07:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-10-13 22:07:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2019-10-13 22:07:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-13 22:07:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2019-10-13 22:07:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2019-10-13 22:07:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 22:07:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:07:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:07:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:07:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:07:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:07:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 22:07:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:07:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 22:07:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 22:07:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 22:07:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:07:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:07:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 22:07:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:07:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 22:07:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 22:07:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 22:07:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 22:07:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 22:07:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 22:07:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-13 22:07:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:07:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 22:07:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 22:07:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 22:07:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 22:07:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:07:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:07:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:07:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:07:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:07:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 22:07:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:07:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:07:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:07:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:07:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-13 22:07:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 22:07:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-13 22:07:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 22:07:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-13 22:07:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:07:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:07:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 22:07:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 22:07:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:07:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 22:07:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 22:07:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 22:07:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-13 22:07:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-10-13 22:07:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure to_saa7146_dev [2019-10-13 22:07:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_adapter_prepare [2019-10-13 22:07:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2019-10-13 22:07:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2019-10-13 22:07:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_func [2019-10-13 22:07:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_status [2019-10-13 22:07:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_prepare [2019-10-13 22:07:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:07:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:07:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:07:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_cleanup [2019-10-13 22:07:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_reset [2019-10-13 22:07:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:07:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:07:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:07:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_writeout [2019-10-13 22:07:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_transfer [2019-10-13 22:07:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_xfer [2019-10-13 22:07:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:07:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:07:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-13 22:07:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:07:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:07:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 22:07:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 22:07:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 22:07:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 22:07:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:07:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_26 [2019-10-13 22:07:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-13 22:07:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-13 22:07:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 22:07:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-13 22:07:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-13 22:07:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-13 22:07:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:07:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:07:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 22:07:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2019-10-13 22:07:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-13 22:07:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-13 22:07:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-13 22:07:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:07:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:07:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-13 22:07:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-13 22:07:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:07:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 22:07:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 22:07:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-13 22:07:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2019-10-13 22:07:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2019-10-13 22:07:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 22:07:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 22:07:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure PageHighMem [2019-10-13 22:07:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2019-10-13 22:07:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-13 22:07:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-13 22:07:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-13 22:07:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-10-13 22:07:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2019-10-13 22:07:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-10-13 22:07:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-13 22:07:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-13 22:07:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-13 22:07:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-13 22:07:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_sg [2019-10-13 22:07:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_sg [2019-10-13 22:07:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-13 22:07:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-13 22:07:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 22:07:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2019-10-13 22:07:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-10-13 22:07:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2019-10-13 22:07:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 22:07:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-13 22:07:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-13 22:07:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 22:07:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 22:07:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 22:07:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 22:07:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_register_extension [2019-10-13 22:07:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_unregister_extension [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vmalloc_build_pgtable [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vfree_destroy_pgtable [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_setgpio [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_sleep [2019-10-13 22:07:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_busyloop [2019-10-13 22:07:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_sg [2019-10-13 22:07:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_hw [2019-10-13 22:07:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:07:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 22:07:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_init_one [2019-10-13 22:07:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:07:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:07:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_remove_one [2019-10-13 22:07:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:07:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-10-13 22:07:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:07:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-13 22:07:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:07:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:07:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:07:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:07:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-13 22:07:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:07:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:07:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:07:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:07:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:07:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:07:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:07:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:07:23,071 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:07:23,072 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:07:23,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:07:23 BoogieIcfgContainer [2019-10-13 22:07:23,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:07:23,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:07:23,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:07:23,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:07:23,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:07:02" (1/3) ... [2019-10-13 22:07:23,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a8a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:07:23, skipping insertion in model container [2019-10-13 22:07:23,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:05" (2/3) ... [2019-10-13 22:07:23,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a8a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:07:23, skipping insertion in model container [2019-10-13 22:07:23,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:07:23" (3/3) ... [2019-10-13 22:07:23,082 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-13 22:07:23,092 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:07:23,101 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:07:23,113 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:07:23,145 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:07:23,145 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:07:23,145 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:07:23,145 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:07:23,145 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:07:23,146 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:07:23,146 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:07:23,146 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:07:23,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states. [2019-10-13 22:07:23,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 22:07:23,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:23,193 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:23,195 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:23,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:23,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1705897422, now seen corresponding path program 1 times [2019-10-13 22:07:23,210 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:23,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679616862] [2019-10-13 22:07:23,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:23,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:23,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:24,072 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 22:07:24,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679616862] [2019-10-13 22:07:24,076 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:24,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:24,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844732949] [2019-10-13 22:07:24,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:24,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:24,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:24,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:24,103 INFO L87 Difference]: Start difference. First operand 1079 states. Second operand 3 states. [2019-10-13 22:07:27,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:27,034 INFO L93 Difference]: Finished difference Result 801 states and 1093 transitions. [2019-10-13 22:07:27,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:27,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-10-13 22:07:27,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:27,056 INFO L225 Difference]: With dead ends: 801 [2019-10-13 22:07:27,057 INFO L226 Difference]: Without dead ends: 423 [2019-10-13 22:07:27,065 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 22:07:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-13 22:07:27,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 421. [2019-10-13 22:07:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-13 22:07:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 557 transitions. [2019-10-13 22:07:27,185 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 557 transitions. Word has length 14 [2019-10-13 22:07:27,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:27,185 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 557 transitions. [2019-10-13 22:07:27,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 557 transitions. [2019-10-13 22:07:27,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-13 22:07:27,187 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:27,187 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:27,188 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:27,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:27,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1343935385, now seen corresponding path program 1 times [2019-10-13 22:07:27,188 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:27,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362425507] [2019-10-13 22:07:27,189 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:27,189 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:27,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:27,430 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 22:07:27,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362425507] [2019-10-13 22:07:27,431 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:27,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:27,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603178363] [2019-10-13 22:07:27,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:27,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:27,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:27,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:27,434 INFO L87 Difference]: Start difference. First operand 421 states and 557 transitions. Second operand 3 states. [2019-10-13 22:07:30,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:30,069 INFO L93 Difference]: Finished difference Result 423 states and 558 transitions. [2019-10-13 22:07:30,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:30,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-10-13 22:07:30,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:30,074 INFO L225 Difference]: With dead ends: 423 [2019-10-13 22:07:30,074 INFO L226 Difference]: Without dead ends: 420 [2019-10-13 22:07:30,076 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 22:07:30,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-10-13 22:07:30,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2019-10-13 22:07:30,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2019-10-13 22:07:30,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 555 transitions. [2019-10-13 22:07:30,113 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 555 transitions. Word has length 15 [2019-10-13 22:07:30,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:30,114 INFO L462 AbstractCegarLoop]: Abstraction has 420 states and 555 transitions. [2019-10-13 22:07:30,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 555 transitions. [2019-10-13 22:07:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-13 22:07:30,115 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:30,115 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:30,115 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:30,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:30,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1286958037, now seen corresponding path program 1 times [2019-10-13 22:07:30,116 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:30,116 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173008195] [2019-10-13 22:07:30,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:30,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:30,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:30,344 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 22:07:30,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173008195] [2019-10-13 22:07:30,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:30,345 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:30,345 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078314804] [2019-10-13 22:07:30,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:30,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:30,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:30,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:30,413 INFO L87 Difference]: Start difference. First operand 420 states and 555 transitions. Second operand 3 states. [2019-10-13 22:07:33,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:33,344 INFO L93 Difference]: Finished difference Result 422 states and 556 transitions. [2019-10-13 22:07:33,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:33,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-10-13 22:07:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:33,349 INFO L225 Difference]: With dead ends: 422 [2019-10-13 22:07:33,349 INFO L226 Difference]: Without dead ends: 419 [2019-10-13 22:07:33,350 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 22:07:33,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-10-13 22:07:33,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2019-10-13 22:07:33,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-13 22:07:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 553 transitions. [2019-10-13 22:07:33,380 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 553 transitions. Word has length 16 [2019-10-13 22:07:33,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:33,381 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 553 transitions. [2019-10-13 22:07:33,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 553 transitions. [2019-10-13 22:07:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-13 22:07:33,382 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:33,382 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:33,382 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:33,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:33,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1240280362, now seen corresponding path program 1 times [2019-10-13 22:07:33,383 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:33,383 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115611499] [2019-10-13 22:07:33,383 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:33,383 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:33,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:33,587 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 22:07:33,588 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115611499] [2019-10-13 22:07:33,588 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:33,588 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:33,588 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287930899] [2019-10-13 22:07:33,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:33,589 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:33,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:33,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:33,589 INFO L87 Difference]: Start difference. First operand 419 states and 553 transitions. Second operand 3 states. [2019-10-13 22:07:36,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:36,213 INFO L93 Difference]: Finished difference Result 421 states and 554 transitions. [2019-10-13 22:07:36,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:36,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-13 22:07:36,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:36,217 INFO L225 Difference]: With dead ends: 421 [2019-10-13 22:07:36,217 INFO L226 Difference]: Without dead ends: 418 [2019-10-13 22:07:36,217 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 22:07:36,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-10-13 22:07:36,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2019-10-13 22:07:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2019-10-13 22:07:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 551 transitions. [2019-10-13 22:07:36,241 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 551 transitions. Word has length 17 [2019-10-13 22:07:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:36,241 INFO L462 AbstractCegarLoop]: Abstraction has 418 states and 551 transitions. [2019-10-13 22:07:36,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 551 transitions. [2019-10-13 22:07:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-13 22:07:36,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:36,243 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:36,243 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:36,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:36,243 INFO L82 PathProgramCache]: Analyzing trace with hash -206722696, now seen corresponding path program 1 times [2019-10-13 22:07:36,243 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:36,244 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594673190] [2019-10-13 22:07:36,244 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:36,244 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:36,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:36,424 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 22:07:36,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594673190] [2019-10-13 22:07:36,425 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:36,425 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:36,425 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334239374] [2019-10-13 22:07:36,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:36,425 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:36,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:36,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:36,426 INFO L87 Difference]: Start difference. First operand 418 states and 551 transitions. Second operand 3 states. [2019-10-13 22:07:38,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:38,857 INFO L93 Difference]: Finished difference Result 420 states and 552 transitions. [2019-10-13 22:07:39,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:39,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-13 22:07:39,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:39,110 INFO L225 Difference]: With dead ends: 420 [2019-10-13 22:07:39,111 INFO L226 Difference]: Without dead ends: 411 [2019-10-13 22:07:39,111 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 22:07:39,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-10-13 22:07:39,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2019-10-13 22:07:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-13 22:07:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 542 transitions. [2019-10-13 22:07:39,139 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 542 transitions. Word has length 18 [2019-10-13 22:07:39,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:39,140 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 542 transitions. [2019-10-13 22:07:39,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:39,140 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 542 transitions. [2019-10-13 22:07:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 22:07:39,142 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:39,143 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:07:39,143 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:39,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:39,143 INFO L82 PathProgramCache]: Analyzing trace with hash -716888969, now seen corresponding path program 1 times [2019-10-13 22:07:39,144 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:39,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417273949] [2019-10-13 22:07:39,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:39,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:39,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 22:07:39,671 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417273949] [2019-10-13 22:07:39,671 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:39,672 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 22:07:39,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194844930] [2019-10-13 22:07:39,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 22:07:39,673 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:39,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 22:07:39,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-13 22:07:39,674 INFO L87 Difference]: Start difference. First operand 411 states and 542 transitions. Second operand 10 states.