/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 02:26:02,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 02:26:02,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 02:26:02,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 02:26:02,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 02:26:02,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 02:26:02,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 02:26:02,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 02:26:02,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 02:26:02,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 02:26:02,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 02:26:02,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 02:26:02,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 02:26:02,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 02:26:02,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 02:26:02,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 02:26:02,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 02:26:02,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 02:26:02,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 02:26:02,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 02:26:02,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 02:26:02,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 02:26:02,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 02:26:02,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 02:26:02,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 02:26:02,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 02:26:02,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 02:26:02,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 02:26:02,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 02:26:02,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 02:26:02,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 02:26:02,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 02:26:02,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 02:26:02,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 02:26:02,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 02:26:02,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 02:26:02,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 02:26:02,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 02:26:02,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 02:26:02,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 02:26:02,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 02:26:02,361 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 [2019-11-07 02:26:02,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 02:26:02,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 02:26:02,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 02:26:02,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 02:26:02,377 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 02:26:02,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 02:26:02,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 02:26:02,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 02:26:02,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 02:26:02,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 02:26:02,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 02:26:02,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 02:26:02,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 02:26:02,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 02:26:02,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 02:26:02,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 02:26:02,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 02:26:02,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 02:26:02,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 02:26:02,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 02:26:02,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 02:26:02,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:26:02,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 02:26:02,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 02:26:02,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 02:26:02,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 02:26:02,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 02:26:02,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 02:26:02,381 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 [2019-11-07 02:26:02,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 02:26:02,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 02:26:02,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 02:26:02,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 02:26:02,681 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 02:26:02,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-11-07 02:26:02,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc371bd2/332c91d64d184ed7b39c717c394017d0/FLAGd74ddfdc5 [2019-11-07 02:26:03,481 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 02:26:03,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-11-07 02:26:03,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc371bd2/332c91d64d184ed7b39c717c394017d0/FLAGd74ddfdc5 [2019-11-07 02:26:03,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc371bd2/332c91d64d184ed7b39c717c394017d0 [2019-11-07 02:26:03,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 02:26:03,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 02:26:03,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 02:26:03,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 02:26:03,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 02:26:03,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:26:03" (1/1) ... [2019-11-07 02:26:03,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2222dbf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:03, skipping insertion in model container [2019-11-07 02:26:03,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:26:03" (1/1) ... [2019-11-07 02:26:03,606 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 02:26:03,697 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 02:26:04,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:26:04,933 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 02:26:05,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:26:05,347 INFO L192 MainTranslator]: Completed translation [2019-11-07 02:26:05,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05 WrapperNode [2019-11-07 02:26:05,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 02:26:05,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 02:26:05,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 02:26:05,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 02:26:05,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (1/1) ... [2019-11-07 02:26:05,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (1/1) ... [2019-11-07 02:26:05,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (1/1) ... [2019-11-07 02:26:05,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (1/1) ... [2019-11-07 02:26:05,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (1/1) ... [2019-11-07 02:26:05,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (1/1) ... [2019-11-07 02:26:05,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (1/1) ... [2019-11-07 02:26:05,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 02:26:05,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 02:26:05,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 02:26:05,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 02:26:05,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (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 [2019-11-07 02:26:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 02:26:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 02:26:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-11-07 02:26:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 02:26:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 02:26:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 02:26:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 02:26:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 02:26:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-07 02:26:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-07 02:26:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2019-11-07 02:26:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2019-11-07 02:26:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2019-11-07 02:26:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2019-11-07 02:26:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2019-11-07 02:26:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2019-11-07 02:26:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2019-11-07 02:26:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2019-11-07 02:26:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2019-11-07 02:26:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2019-11-07 02:26:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2019-11-07 02:26:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2019-11-07 02:26:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2019-11-07 02:26:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2019-11-07 02:26:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2019-11-07 02:26:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2019-11-07 02:26:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2019-11-07 02:26:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2019-11-07 02:26:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2019-11-07 02:26:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2019-11-07 02:26:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2019-11-07 02:26:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 02:26:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-07 02:26:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-07 02:26:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-07 02:26:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-07 02:26:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-07 02:26:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-11-07 02:26:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-07 02:26:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-11-07 02:26:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2019-11-07 02:26:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-11-07 02:26:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-07 02:26:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 02:26:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 02:26:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-07 02:26:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 02:26:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 02:26:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 02:26:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 02:26:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 02:26:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 02:26:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 02:26:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 02:26:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 02:26:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 02:26:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 02:26:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 02:26:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 02:26:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 02:26:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-11-07 02:26:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-11-07 02:26:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2019-11-07 02:26:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2019-11-07 02:26:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-11-07 02:26:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-11-07 02:26:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2019-11-07 02:26:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 02:26:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 02:26:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-07 02:26:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-11-07 02:26:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-07 02:26:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-07 02:26:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 02:26:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-07 02:26:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2019-11-07 02:26:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-11-07 02:26:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-11-07 02:26:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-11-07 02:26:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2019-11-07 02:26:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2019-11-07 02:26:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-11-07 02:26:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 02:26:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-07 02:26:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 02:26:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 02:26:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-11-07 02:26:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-07 02:26:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-07 02:26:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-11-07 02:26:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-11-07 02:26:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-11-07 02:26:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-11-07 02:26:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-11-07 02:26:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-11-07 02:26:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-11-07 02:26:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-11-07 02:26:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-11-07 02:26:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-07 02:26:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2019-11-07 02:26:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-11-07 02:26:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2019-11-07 02:26:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2019-11-07 02:26:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 02:26:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 02:26:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 02:26:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 02:26:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-07 02:26:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 02:26:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-11-07 02:26:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-11-07 02:26:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 02:26:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-07 02:26:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 02:26:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-07 02:26:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-07 02:26:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-07 02:26:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-11-07 02:26:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-11-07 02:26:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-07 02:26:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-07 02:26:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-11-07 02:26:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2019-11-07 02:26:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 02:26:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-07 02:26:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-07 02:26:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 02:26:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 02:26:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 02:26:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 02:26:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 02:26:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-11-07 02:26:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2019-11-07 02:26:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 02:26:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-11-07 02:26:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-11-07 02:26:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-11-07 02:26:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-11-07 02:26:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-11-07 02:26:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-11-07 02:26:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2019-11-07 02:26:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2019-11-07 02:26:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2019-11-07 02:26:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 02:26:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-07 02:26:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-07 02:26:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-07 02:26:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-07 02:26:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-11-07 02:26:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-11-07 02:26:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-11-07 02:26:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-11-07 02:26:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-11-07 02:26:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-11-07 02:26:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-11-07 02:26:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-11-07 02:26:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-11-07 02:26:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-11-07 02:26:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-07 02:26:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-07 02:26:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 02:26:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 02:26:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 02:26:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 02:26:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 02:26:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 02:26:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 02:26:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 02:26:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 02:26:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-07 02:26:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-07 02:26:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-11-07 02:26:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2019-11-07 02:26:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 02:26:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2019-11-07 02:26:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 02:26:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2019-11-07 02:26:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 02:26:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 02:26:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 02:26:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 02:26:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2019-11-07 02:26:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2019-11-07 02:26:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2019-11-07 02:26:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2019-11-07 02:26:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2019-11-07 02:26:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2019-11-07 02:26:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2019-11-07 02:26:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2019-11-07 02:26:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2019-11-07 02:26:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2019-11-07 02:26:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2019-11-07 02:26:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2019-11-07 02:26:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2019-11-07 02:26:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2019-11-07 02:26:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2019-11-07 02:26:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2019-11-07 02:26:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2019-11-07 02:26:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2019-11-07 02:26:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2019-11-07 02:26:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 02:26:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2019-11-07 02:26:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2019-11-07 02:26:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 02:26:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 02:26:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 02:26:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-07 02:26:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 02:26:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 02:26:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 02:26:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 02:26:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 02:26:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 02:26:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 02:26:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 02:26:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 02:26:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-11-07 02:26:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2019-11-07 02:26:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2019-11-07 02:26:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-11-07 02:26:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-11-07 02:26:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 02:26:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 02:26:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 02:26:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 02:26:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 02:26:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 02:26:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 02:26:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 02:26:11,055 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 02:26:11,056 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 02:26:11,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:26:11 BoogieIcfgContainer [2019-11-07 02:26:11,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 02:26:11,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 02:26:11,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 02:26:11,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 02:26:11,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:26:03" (1/3) ... [2019-11-07 02:26:11,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bed5f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:26:11, skipping insertion in model container [2019-11-07 02:26:11,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:26:05" (2/3) ... [2019-11-07 02:26:11,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bed5f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:26:11, skipping insertion in model container [2019-11-07 02:26:11,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:26:11" (3/3) ... [2019-11-07 02:26:11,066 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-11-07 02:26:11,076 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 02:26:11,089 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 02:26:11,104 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 02:26:11,152 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 02:26:11,152 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 02:26:11,152 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 02:26:11,153 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 02:26:11,153 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 02:26:11,153 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 02:26:11,153 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 02:26:11,154 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 02:26:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states. [2019-11-07 02:26:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-07 02:26:11,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:11,223 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:11,227 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:11,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:11,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1557035337, now seen corresponding path program 1 times [2019-11-07 02:26:11,246 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:11,246 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063886990] [2019-11-07 02:26:11,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:11,934 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063886990] [2019-11-07 02:26:11,935 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:11,936 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:11,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271362201] [2019-11-07 02:26:11,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:11,942 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:11,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:11,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:11,960 INFO L87 Difference]: Start difference. First operand 728 states. Second operand 3 states. [2019-11-07 02:26:12,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:12,716 INFO L93 Difference]: Finished difference Result 1985 states and 2703 transitions. [2019-11-07 02:26:12,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:12,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-07 02:26:12,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:12,745 INFO L225 Difference]: With dead ends: 1985 [2019-11-07 02:26:12,745 INFO L226 Difference]: Without dead ends: 1310 [2019-11-07 02:26:12,759 INFO L630 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 [2019-11-07 02:26:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2019-11-07 02:26:12,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1306. [2019-11-07 02:26:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1306 states. [2019-11-07 02:26:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1753 transitions. [2019-11-07 02:26:12,954 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1753 transitions. Word has length 26 [2019-11-07 02:26:12,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:12,954 INFO L462 AbstractCegarLoop]: Abstraction has 1306 states and 1753 transitions. [2019-11-07 02:26:12,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1753 transitions. [2019-11-07 02:26:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-07 02:26:12,958 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:12,958 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:12,959 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:12,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:12,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1143099405, now seen corresponding path program 1 times [2019-11-07 02:26:12,960 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:12,960 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223310410] [2019-11-07 02:26:12,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:13,113 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223310410] [2019-11-07 02:26:13,113 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:13,114 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:13,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748095489] [2019-11-07 02:26:13,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:13,116 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:13,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:13,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:13,117 INFO L87 Difference]: Start difference. First operand 1306 states and 1753 transitions. Second operand 3 states. [2019-11-07 02:26:14,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:14,015 INFO L93 Difference]: Finished difference Result 1308 states and 1754 transitions. [2019-11-07 02:26:14,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:14,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-07 02:26:14,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:14,027 INFO L225 Difference]: With dead ends: 1308 [2019-11-07 02:26:14,027 INFO L226 Difference]: Without dead ends: 1305 [2019-11-07 02:26:14,029 INFO L630 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 [2019-11-07 02:26:14,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2019-11-07 02:26:14,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1305. [2019-11-07 02:26:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2019-11-07 02:26:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1751 transitions. [2019-11-07 02:26:14,107 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1751 transitions. Word has length 29 [2019-11-07 02:26:14,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:14,107 INFO L462 AbstractCegarLoop]: Abstraction has 1305 states and 1751 transitions. [2019-11-07 02:26:14,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1751 transitions. [2019-11-07 02:26:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-07 02:26:14,110 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:14,110 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:14,110 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:14,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:14,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1075788627, now seen corresponding path program 1 times [2019-11-07 02:26:14,111 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:14,111 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571256490] [2019-11-07 02:26:14,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:14,282 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571256490] [2019-11-07 02:26:14,283 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:14,283 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:14,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361775425] [2019-11-07 02:26:14,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:14,284 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:14,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:14,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:14,284 INFO L87 Difference]: Start difference. First operand 1305 states and 1751 transitions. Second operand 3 states. [2019-11-07 02:26:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:14,848 INFO L93 Difference]: Finished difference Result 1307 states and 1752 transitions. [2019-11-07 02:26:14,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:14,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-11-07 02:26:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:14,858 INFO L225 Difference]: With dead ends: 1307 [2019-11-07 02:26:14,858 INFO L226 Difference]: Without dead ends: 1304 [2019-11-07 02:26:14,860 INFO L630 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 [2019-11-07 02:26:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2019-11-07 02:26:14,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1304. [2019-11-07 02:26:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2019-11-07 02:26:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1749 transitions. [2019-11-07 02:26:14,993 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1749 transitions. Word has length 30 [2019-11-07 02:26:14,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:14,994 INFO L462 AbstractCegarLoop]: Abstraction has 1304 states and 1749 transitions. [2019-11-07 02:26:14,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:14,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1749 transitions. [2019-11-07 02:26:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-07 02:26:14,996 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:14,996 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:14,996 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:14,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1010840624, now seen corresponding path program 1 times [2019-11-07 02:26:14,997 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:14,997 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108461002] [2019-11-07 02:26:14,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:15,170 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108461002] [2019-11-07 02:26:15,170 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:15,170 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:15,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021955644] [2019-11-07 02:26:15,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:15,172 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:15,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:15,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:15,172 INFO L87 Difference]: Start difference. First operand 1304 states and 1749 transitions. Second operand 3 states. [2019-11-07 02:26:15,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:15,841 INFO L93 Difference]: Finished difference Result 2442 states and 3284 transitions. [2019-11-07 02:26:15,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:15,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-11-07 02:26:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:15,872 INFO L225 Difference]: With dead ends: 2442 [2019-11-07 02:26:15,872 INFO L226 Difference]: Without dead ends: 2427 [2019-11-07 02:26:15,875 INFO L630 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 [2019-11-07 02:26:15,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2427 states. [2019-11-07 02:26:16,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2427 to 2427. [2019-11-07 02:26:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2427 states. [2019-11-07 02:26:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 3266 transitions. [2019-11-07 02:26:16,029 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 3266 transitions. Word has length 31 [2019-11-07 02:26:16,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:16,030 INFO L462 AbstractCegarLoop]: Abstraction has 2427 states and 3266 transitions. [2019-11-07 02:26:16,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 3266 transitions. [2019-11-07 02:26:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-07 02:26:16,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:16,039 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:16,039 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:16,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1583148565, now seen corresponding path program 1 times [2019-11-07 02:26:16,039 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:16,040 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010738086] [2019-11-07 02:26:16,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:16,163 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010738086] [2019-11-07 02:26:16,163 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:16,163 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 02:26:16,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431351078] [2019-11-07 02:26:16,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 02:26:16,164 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:16,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 02:26:16,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 02:26:16,165 INFO L87 Difference]: Start difference. First operand 2427 states and 3266 transitions. Second operand 3 states. [2019-11-07 02:26:16,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:16,411 INFO L93 Difference]: Finished difference Result 5219 states and 7015 transitions. [2019-11-07 02:26:16,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 02:26:16,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-07 02:26:16,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:16,434 INFO L225 Difference]: With dead ends: 5219 [2019-11-07 02:26:16,434 INFO L226 Difference]: Without dead ends: 2801 [2019-11-07 02:26:16,520 INFO L630 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 [2019-11-07 02:26:16,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2019-11-07 02:26:16,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2771. [2019-11-07 02:26:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2771 states. [2019-11-07 02:26:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3726 transitions. [2019-11-07 02:26:16,752 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3726 transitions. Word has length 55 [2019-11-07 02:26:16,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:16,755 INFO L462 AbstractCegarLoop]: Abstraction has 2771 states and 3726 transitions. [2019-11-07 02:26:16,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 02:26:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3726 transitions. [2019-11-07 02:26:16,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-07 02:26:16,768 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:16,768 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:16,769 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:16,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1853087362, now seen corresponding path program 1 times [2019-11-07 02:26:16,769 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:16,770 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158747227] [2019-11-07 02:26:16,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:26:16,984 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158747227] [2019-11-07 02:26:16,984 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:16,984 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 02:26:16,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453888730] [2019-11-07 02:26:16,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 02:26:16,985 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:16,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 02:26:16,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 02:26:16,986 INFO L87 Difference]: Start difference. First operand 2771 states and 3726 transitions. Second operand 4 states. [2019-11-07 02:26:18,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:18,587 INFO L93 Difference]: Finished difference Result 6100 states and 8208 transitions. [2019-11-07 02:26:18,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 02:26:18,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2019-11-07 02:26:18,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:18,613 INFO L225 Difference]: With dead ends: 6100 [2019-11-07 02:26:18,613 INFO L226 Difference]: Without dead ends: 3850 [2019-11-07 02:26:18,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 02:26:18,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3850 states. [2019-11-07 02:26:18,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3850 to 3811. [2019-11-07 02:26:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3811 states. [2019-11-07 02:26:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3811 states and 5131 transitions. [2019-11-07 02:26:18,830 INFO L78 Accepts]: Start accepts. Automaton has 3811 states and 5131 transitions. Word has length 71 [2019-11-07 02:26:18,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:18,831 INFO L462 AbstractCegarLoop]: Abstraction has 3811 states and 5131 transitions. [2019-11-07 02:26:18,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 02:26:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 5131 transitions. [2019-11-07 02:26:18,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-07 02:26:18,838 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:18,838 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:18,838 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:18,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:18,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1932341821, now seen corresponding path program 1 times [2019-11-07 02:26:18,839 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:18,839 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553717320] [2019-11-07 02:26:18,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 02:26:19,068 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553717320] [2019-11-07 02:26:19,068 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:19,069 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 02:26:19,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736466955] [2019-11-07 02:26:19,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 02:26:19,070 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:19,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 02:26:19,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 02:26:19,070 INFO L87 Difference]: Start difference. First operand 3811 states and 5131 transitions. Second operand 5 states. [2019-11-07 02:26:19,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:19,309 INFO L93 Difference]: Finished difference Result 7101 states and 9567 transitions. [2019-11-07 02:26:19,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 02:26:19,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-11-07 02:26:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:19,446 INFO L225 Difference]: With dead ends: 7101 [2019-11-07 02:26:19,446 INFO L226 Difference]: Without dead ends: 3811 [2019-11-07 02:26:19,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-07 02:26:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2019-11-07 02:26:19,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 3811. [2019-11-07 02:26:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3811 states. [2019-11-07 02:26:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3811 states and 5130 transitions. [2019-11-07 02:26:19,688 INFO L78 Accepts]: Start accepts. Automaton has 3811 states and 5130 transitions. Word has length 86 [2019-11-07 02:26:19,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:19,691 INFO L462 AbstractCegarLoop]: Abstraction has 3811 states and 5130 transitions. [2019-11-07 02:26:19,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 02:26:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 5130 transitions. [2019-11-07 02:26:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 02:26:19,701 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:19,701 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:19,702 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:19,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:19,702 INFO L82 PathProgramCache]: Analyzing trace with hash 663286096, now seen corresponding path program 1 times [2019-11-07 02:26:19,703 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:19,703 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646788247] [2019-11-07 02:26:19,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 02:26:20,018 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646788247] [2019-11-07 02:26:20,018 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:20,019 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 02:26:20,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992153125] [2019-11-07 02:26:20,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 02:26:20,020 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:20,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 02:26:20,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:26:20,021 INFO L87 Difference]: Start difference. First operand 3811 states and 5130 transitions. Second operand 8 states. [2019-11-07 02:26:29,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:29,322 INFO L93 Difference]: Finished difference Result 3849 states and 5169 transitions. [2019-11-07 02:26:29,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 02:26:29,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2019-11-07 02:26:29,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:29,349 INFO L225 Difference]: With dead ends: 3849 [2019-11-07 02:26:29,349 INFO L226 Difference]: Without dead ends: 3846 [2019-11-07 02:26:29,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:26:29,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3846 states. [2019-11-07 02:26:29,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3846 to 3846. [2019-11-07 02:26:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3846 states. [2019-11-07 02:26:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 5166 transitions. [2019-11-07 02:26:29,655 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 5166 transitions. Word has length 87 [2019-11-07 02:26:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:29,655 INFO L462 AbstractCegarLoop]: Abstraction has 3846 states and 5166 transitions. [2019-11-07 02:26:29,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 02:26:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 5166 transitions. [2019-11-07 02:26:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-07 02:26:29,664 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:29,665 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:29,665 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:29,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:29,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1095586396, now seen corresponding path program 1 times [2019-11-07 02:26:29,666 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:29,666 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780709862] [2019-11-07 02:26:29,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 02:26:29,903 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780709862] [2019-11-07 02:26:29,904 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:26:29,904 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 02:26:29,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135496741] [2019-11-07 02:26:29,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 02:26:29,905 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:29,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 02:26:29,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:26:29,905 INFO L87 Difference]: Start difference. First operand 3846 states and 5166 transitions. Second operand 8 states. [2019-11-07 02:26:37,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:37,453 INFO L93 Difference]: Finished difference Result 3862 states and 5178 transitions. [2019-11-07 02:26:37,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 02:26:37,454 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2019-11-07 02:26:37,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:26:37,484 INFO L225 Difference]: With dead ends: 3862 [2019-11-07 02:26:37,485 INFO L226 Difference]: Without dead ends: 3859 [2019-11-07 02:26:37,489 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 02:26:37,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2019-11-07 02:26:37,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3857. [2019-11-07 02:26:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3857 states. [2019-11-07 02:26:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5173 transitions. [2019-11-07 02:26:37,689 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5173 transitions. Word has length 90 [2019-11-07 02:26:37,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:26:37,689 INFO L462 AbstractCegarLoop]: Abstraction has 3857 states and 5173 transitions. [2019-11-07 02:26:37,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 02:26:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5173 transitions. [2019-11-07 02:26:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-07 02:26:37,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:26:37,697 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:26:37,697 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:26:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:26:37,698 INFO L82 PathProgramCache]: Analyzing trace with hash 878618982, now seen corresponding path program 1 times [2019-11-07 02:26:37,698 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:26:37,698 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445914107] [2019-11-07 02:26:37,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:26:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 02:26:37,847 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445914107] [2019-11-07 02:26:37,847 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713747431] [2019-11-07 02:26:37,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 02:26:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:26:38,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 2167 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 02:26:38,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 02:26:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 02:26:38,569 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 02:26:38,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 02:26:38,673 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 02:26:38,673 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [4] total 5 [2019-11-07 02:26:38,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056736087] [2019-11-07 02:26:38,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 02:26:38,674 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:26:38,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 02:26:38,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 02:26:38,675 INFO L87 Difference]: Start difference. First operand 3857 states and 5173 transitions. Second operand 4 states. [2019-11-07 02:26:40,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:26:40,973 INFO L93 Difference]: Finished difference Result 11041 states and 14812 transitions. [2019-11-07 02:26:40,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 02:26:40,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2019-11-07 02:26:40,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted.