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 0.1.24-13a467a-m [2019-10-15 02:09:24,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:09:24,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:09:24,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:09:24,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:09:24,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:09:24,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:09:24,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:09:24,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:09:24,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:09:24,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:09:24,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:09:24,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:09:24,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:09:24,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:09:24,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:09:24,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:09:24,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:09:24,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:09:24,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:09:24,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:09:24,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:09:24,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:09:24,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:09:24,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:09:24,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:09:24,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:09:24,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:09:24,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:09:24,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:09:24,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:09:24,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:09:24,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:09:24,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:09:24,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:09:24,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:09:24,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:09:24,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:09:24,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:09:24,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:09:24,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:09:24,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:09:24,150 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:09:24,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:09:24,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:09:24,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:09:24,152 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:09:24,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:09:24,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:09:24,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:09:24,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:09:24,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:09:24,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:09:24,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:09:24,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:09:24,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:09:24,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:09:24,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:09:24,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:09:24,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:09:24,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:09:24,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:09:24,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:09:24,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:09:24,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:09:24,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:09:24,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:09:24,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:09:24,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:09:24,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:09:24,157 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 [2019-10-15 02:09:24,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:09:24,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:09:24,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:09:24,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:09:24,538 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:09:24,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-15 02:09:24,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952dd57f1/a1642b5497ca42ebbd959a669c2be547/FLAG42a68fc0d [2019-10-15 02:09:25,398 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:09:25,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-15 02:09:25,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952dd57f1/a1642b5497ca42ebbd959a669c2be547/FLAG42a68fc0d [2019-10-15 02:09:25,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952dd57f1/a1642b5497ca42ebbd959a669c2be547 [2019-10-15 02:09:25,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:09:25,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:09:25,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:09:25,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:09:25,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:09:25,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:09:25" (1/1) ... [2019-10-15 02:09:25,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b7f042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:25, skipping insertion in model container [2019-10-15 02:09:25,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:09:25" (1/1) ... [2019-10-15 02:09:25,984 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:09:26,129 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:09:27,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:09:27,808 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:09:28,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:09:28,534 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:09:28,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28 WrapperNode [2019-10-15 02:09:28,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:09:28,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:09:28,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:09:28,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:09:28,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (1/1) ... [2019-10-15 02:09:28,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (1/1) ... [2019-10-15 02:09:28,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (1/1) ... [2019-10-15 02:09:28,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (1/1) ... [2019-10-15 02:09:28,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (1/1) ... [2019-10-15 02:09:28,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (1/1) ... [2019-10-15 02:09:28,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (1/1) ... [2019-10-15 02:09:28,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:09:28,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:09:28,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:09:28,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:09:28,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:09:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:09:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:09:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-10-15 02:09:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-15 02:09:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-15 02:09:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-15 02:09:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:09:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-15 02:09:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:09:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:09:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-15 02:09:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-15 02:09:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-15 02:09:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:09:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:09:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 02:09:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-15 02:09:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-15 02:09:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-15 02:09:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-15 02:09:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-10-15 02:09:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure to_saa7146_dev [2019-10-15 02:09:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2019-10-15 02:09:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2019-10-15 02:09:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_func [2019-10-15 02:09:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_status [2019-10-15 02:09:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_prepare [2019-10-15 02:09:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_cleanup [2019-10-15 02:09:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_reset [2019-10-15 02:09:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_writeout [2019-10-15 02:09:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_transfer [2019-10-15 02:09:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_xfer [2019-10-15 02:09:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_adapter_prepare [2019-10-15 02:09:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:09:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 02:09:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 02:09:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 02:09:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 02:09:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 02:09:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 02:09:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 02:09:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-15 02:09:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 02:09:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-15 02:09:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 02:09:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-15 02:09:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-15 02:09:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-15 02:09:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:09:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:09:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:09:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:09:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-15 02:09:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-15 02:09:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:09:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHighMem [2019-10-15 02:09:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-15 02:09:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-15 02:09:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-15 02:09:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-10-15 02:09:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2019-10-15 02:09:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-15 02:09:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-15 02:09:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-15 02:09:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-15 02:09:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2019-10-15 02:09:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2019-10-15 02:09:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-15 02:09:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-15 02:09:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-15 02:09:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-15 02:09:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-15 02:09:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-15 02:09:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2019-10-15 02:09:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2019-10-15 02:09:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 02:09:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 02:09:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 02:09:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_setgpio [2019-10-15 02:09:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_sleep [2019-10-15 02:09:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_busyloop [2019-10-15 02:09:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done [2019-10-15 02:09:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_sg [2019-10-15 02:09:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vmalloc_build_pgtable [2019-10-15 02:09:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vfree_destroy_pgtable [2019-10-15 02:09:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2019-10-15 02:09:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2019-10-15 02:09:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2019-10-15 02:09:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_hw [2019-10-15 02:09:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_init_one [2019-10-15 02:09:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_remove_one [2019-10-15 02:09:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_register_extension [2019-10-15 02:09:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_unregister_extension [2019-10-15 02:09:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-15 02:09:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-15 02:09:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-15 02:09:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_26 [2019-10-15 02:09:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-15 02:09:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-15 02:09:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-15 02:09:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:09:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:09:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:09:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:09:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 02:09:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 02:09:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:09:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 02:09:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 02:09:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:09:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:09:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:09:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:09:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:09:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:09:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:09:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:09:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:09:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 02:09:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 02:09:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 02:09:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 02:09:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 02:09:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:09:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 02:09:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:09:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:09:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-15 02:09:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-15 02:09:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_sg [2019-10-15 02:09:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_sg [2019-10-15 02:09:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:09:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:09:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-15 02:09:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 02:09:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-15 02:09:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-15 02:09:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-15 02:09:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-15 02:09:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:09:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-15 02:09:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:09:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:09:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 02:09:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 02:09:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2019-10-15 02:09:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2019-10-15 02:09:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-15 02:09:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 02:09:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-15 02:09:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:09:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 02:09:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-15 02:09:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-15 02:09:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-10-15 02:09:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2019-10-15 02:09:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-15 02:09:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2019-10-15 02:09:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2019-10-15 02:09:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 02:09:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:09:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:09:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:09:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:09:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 02:09:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:09:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 02:09:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 02:09:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 02:09:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 02:09:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 02:09:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-15 02:09:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-15 02:09:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:09:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 02:09:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 02:09:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 02:09:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-15 02:09:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 02:09:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 02:09:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:09:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:09:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:09:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-15 02:09:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:09:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:09:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:09:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:09:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-15 02:09:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-15 02:09:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-15 02:09:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 02:09:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-15 02:09:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:09:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:09:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-15 02:09:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-15 02:09:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:09:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-15 02:09:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 02:09:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-15 02:09:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-15 02:09:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-10-15 02:09:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure to_saa7146_dev [2019-10-15 02:09:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_adapter_prepare [2019-10-15 02:09:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2019-10-15 02:09:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2019-10-15 02:09:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_func [2019-10-15 02:09:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_status [2019-10-15 02:09:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_prepare [2019-10-15 02:09:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:09:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_cleanup [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_reset [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_writeout [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_transfer [2019-10-15 02:09:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_xfer [2019-10-15 02:09:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:09:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:09:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-15 02:09:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:09:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:09:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 02:09:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 02:09:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-15 02:09:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-15 02:09:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 02:09:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_26 [2019-10-15 02:09:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-15 02:09:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-15 02:09:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-15 02:09:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-15 02:09:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-15 02:09:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-15 02:09:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:09:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 02:09:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 02:09:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2019-10-15 02:09:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-15 02:09:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-15 02:09:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-15 02:09:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2019-10-15 02:09:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-15 02:09:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:09:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:09:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:09:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:09:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:09:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:09:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:09:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:09:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-15 02:09:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-15 02:09:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:09:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 02:09:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 02:09:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-15 02:09:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2019-10-15 02:09:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2019-10-15 02:09:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 02:09:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 02:09:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure PageHighMem [2019-10-15 02:09:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2019-10-15 02:09:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-15 02:09:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-15 02:09:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-15 02:09:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-10-15 02:09:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2019-10-15 02:09:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-10-15 02:09:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-15 02:09:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-15 02:09:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-15 02:09:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-15 02:09:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_sg [2019-10-15 02:09:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_sg [2019-10-15 02:09:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-15 02:09:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-15 02:09:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-15 02:09:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2019-10-15 02:09:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-10-15 02:09:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2019-10-15 02:09:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-15 02:09:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-15 02:09:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-15 02:09:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-15 02:09:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-15 02:09:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-15 02:09:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-15 02:09:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-15 02:09:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-15 02:09:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2019-10-15 02:09:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2019-10-15 02:09:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 02:09:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 02:09:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 02:09:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 02:09:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 02:09:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_register_extension [2019-10-15 02:09:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_unregister_extension [2019-10-15 02:09:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2019-10-15 02:09:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2019-10-15 02:09:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2019-10-15 02:09:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vmalloc_build_pgtable [2019-10-15 02:09:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vfree_destroy_pgtable [2019-10-15 02:09:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_setgpio [2019-10-15 02:09:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done [2019-10-15 02:09:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_sleep [2019-10-15 02:09:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_busyloop [2019-10-15 02:09:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_sg [2019-10-15 02:09:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_hw [2019-10-15 02:09:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:09:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-15 02:09:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_init_one [2019-10-15 02:09:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:09:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:09:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_remove_one [2019-10-15 02:09:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:09:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-10-15 02:09:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:09:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:09:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 02:09:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:09:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 02:09:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-15 02:09:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:09:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:09:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:09:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:09:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-15 02:09:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:09:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:09:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 02:09:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:09:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:09:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:09:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:09:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:09:45,144 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:09:45,144 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:09:45,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:09:45 BoogieIcfgContainer [2019-10-15 02:09:45,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:09:45,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:09:45,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:09:45,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:09:45,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:09:25" (1/3) ... [2019-10-15 02:09:45,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a756fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:09:45, skipping insertion in model container [2019-10-15 02:09:45,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:09:28" (2/3) ... [2019-10-15 02:09:45,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a756fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:09:45, skipping insertion in model container [2019-10-15 02:09:45,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:09:45" (3/3) ... [2019-10-15 02:09:45,163 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-15 02:09:45,173 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:09:45,187 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:09:45,198 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:09:45,240 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:09:45,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:09:45,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:09:45,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:09:45,240 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:09:45,240 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:09:45,240 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:09:45,241 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:09:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states. [2019-10-15 02:09:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-15 02:09:45,308 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:45,309 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:45,311 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:45,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:45,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1705897422, now seen corresponding path program 1 times [2019-10-15 02:09:45,327 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:45,327 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742610641] [2019-10-15 02:09:45,327 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:45,327 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:45,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:46,198 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742610641] [2019-10-15 02:09:46,199 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:46,199 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:46,200 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110890641] [2019-10-15 02:09:46,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:46,204 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:46,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:46,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:46,221 INFO L87 Difference]: Start difference. First operand 1079 states. Second operand 3 states. [2019-10-15 02:09:48,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:48,984 INFO L93 Difference]: Finished difference Result 801 states and 1093 transitions. [2019-10-15 02:09:48,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:48,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-10-15 02:09:48,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:49,013 INFO L225 Difference]: With dead ends: 801 [2019-10-15 02:09:49,014 INFO L226 Difference]: Without dead ends: 423 [2019-10-15 02:09:49,022 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-15 02:09:49,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 421. [2019-10-15 02:09:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-15 02:09:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 557 transitions. [2019-10-15 02:09:49,120 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 557 transitions. Word has length 14 [2019-10-15 02:09:49,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:49,120 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 557 transitions. [2019-10-15 02:09:49,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 557 transitions. [2019-10-15 02:09:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-15 02:09:49,122 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:49,122 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:49,122 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:49,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:49,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1343935385, now seen corresponding path program 1 times [2019-10-15 02:09:49,123 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:49,123 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955876018] [2019-10-15 02:09:49,123 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:49,123 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:49,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:49,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955876018] [2019-10-15 02:09:49,402 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:49,402 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:49,402 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299153133] [2019-10-15 02:09:49,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:49,407 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:49,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:49,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:49,408 INFO L87 Difference]: Start difference. First operand 421 states and 557 transitions. Second operand 3 states. [2019-10-15 02:09:52,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:52,005 INFO L93 Difference]: Finished difference Result 423 states and 558 transitions. [2019-10-15 02:09:52,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:52,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-10-15 02:09:52,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:52,010 INFO L225 Difference]: With dead ends: 423 [2019-10-15 02:09:52,010 INFO L226 Difference]: Without dead ends: 420 [2019-10-15 02:09:52,012 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:52,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-10-15 02:09:52,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2019-10-15 02:09:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2019-10-15 02:09:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 555 transitions. [2019-10-15 02:09:52,061 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 555 transitions. Word has length 15 [2019-10-15 02:09:52,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:52,062 INFO L462 AbstractCegarLoop]: Abstraction has 420 states and 555 transitions. [2019-10-15 02:09:52,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:52,062 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 555 transitions. [2019-10-15 02:09:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-15 02:09:52,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:52,063 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:52,064 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:52,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:52,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1286958037, now seen corresponding path program 1 times [2019-10-15 02:09:52,064 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:52,065 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262473705] [2019-10-15 02:09:52,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:52,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:52,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:52,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:52,286 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262473705] [2019-10-15 02:09:52,286 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:52,286 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:52,286 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088407248] [2019-10-15 02:09:52,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:52,287 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:52,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:52,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:52,288 INFO L87 Difference]: Start difference. First operand 420 states and 555 transitions. Second operand 3 states. [2019-10-15 02:09:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:54,939 INFO L93 Difference]: Finished difference Result 422 states and 556 transitions. [2019-10-15 02:09:54,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:54,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-10-15 02:09:54,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:54,943 INFO L225 Difference]: With dead ends: 422 [2019-10-15 02:09:54,944 INFO L226 Difference]: Without dead ends: 419 [2019-10-15 02:09:54,944 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:54,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-10-15 02:09:54,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2019-10-15 02:09:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-15 02:09:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 553 transitions. [2019-10-15 02:09:54,978 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 553 transitions. Word has length 16 [2019-10-15 02:09:54,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:54,979 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 553 transitions. [2019-10-15 02:09:54,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 553 transitions. [2019-10-15 02:09:54,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-15 02:09:54,980 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:54,980 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:54,981 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:54,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:54,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1240280362, now seen corresponding path program 1 times [2019-10-15 02:09:54,981 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:54,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587433436] [2019-10-15 02:09:54,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:54,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:54,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:55,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587433436] [2019-10-15 02:09:55,204 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:55,204 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:55,205 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711688657] [2019-10-15 02:09:55,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:55,205 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:55,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:55,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:55,206 INFO L87 Difference]: Start difference. First operand 419 states and 553 transitions. Second operand 3 states. [2019-10-15 02:09:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:57,884 INFO L93 Difference]: Finished difference Result 421 states and 554 transitions. [2019-10-15 02:09:57,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:57,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-15 02:09:57,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:57,890 INFO L225 Difference]: With dead ends: 421 [2019-10-15 02:09:57,891 INFO L226 Difference]: Without dead ends: 418 [2019-10-15 02:09:57,891 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:57,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-10-15 02:09:57,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2019-10-15 02:09:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2019-10-15 02:09:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 551 transitions. [2019-10-15 02:09:57,934 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 551 transitions. Word has length 17 [2019-10-15 02:09:57,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:57,934 INFO L462 AbstractCegarLoop]: Abstraction has 418 states and 551 transitions. [2019-10-15 02:09:57,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 551 transitions. [2019-10-15 02:09:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-15 02:09:57,936 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:57,936 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:57,936 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:57,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:57,937 INFO L82 PathProgramCache]: Analyzing trace with hash -206722696, now seen corresponding path program 1 times [2019-10-15 02:09:57,937 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:57,937 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631611837] [2019-10-15 02:09:57,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:57,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:57,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:58,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631611837] [2019-10-15 02:09:58,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:58,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:58,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703340583] [2019-10-15 02:09:58,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:58,180 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:58,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:58,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:58,180 INFO L87 Difference]: Start difference. First operand 418 states and 551 transitions. Second operand 3 states. [2019-10-15 02:10:00,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:10:00,654 INFO L93 Difference]: Finished difference Result 420 states and 552 transitions. [2019-10-15 02:10:00,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:10:00,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-15 02:10:00,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:10:00,885 INFO L225 Difference]: With dead ends: 420 [2019-10-15 02:10:00,885 INFO L226 Difference]: Without dead ends: 411 [2019-10-15 02:10:00,886 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:10:00,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-10-15 02:10:00,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2019-10-15 02:10:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-15 02:10:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 542 transitions. [2019-10-15 02:10:00,910 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 542 transitions. Word has length 18 [2019-10-15 02:10:00,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:10:00,911 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 542 transitions. [2019-10-15 02:10:00,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:10:00,911 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 542 transitions. [2019-10-15 02:10:00,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 02:10:00,913 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:10:00,914 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] [2019-10-15 02:10:00,914 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:10:00,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:10:00,914 INFO L82 PathProgramCache]: Analyzing trace with hash -716888969, now seen corresponding path program 1 times [2019-10-15 02:10:00,914 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:10:00,915 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551884141] [2019-10-15 02:10:00,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:00,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:10:00,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:10:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:10:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 02:10:01,386 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551884141] [2019-10-15 02:10:01,387 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:10:01,387 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 02:10:01,387 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051713716] [2019-10-15 02:10:01,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 02:10:01,388 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:10:01,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 02:10:01,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-15 02:10:01,389 INFO L87 Difference]: Start difference. First operand 411 states and 542 transitions. Second operand 10 states.