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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 11:53:46,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 11:53:46,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 11:53:46,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 11:53:46,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 11:53:46,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 11:53:46,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 11:53:46,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 11:53:46,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 11:53:46,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 11:53:46,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 11:53:46,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 11:53:46,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 11:53:46,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 11:53:46,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 11:53:46,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 11:53:46,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 11:53:46,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 11:53:46,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 11:53:46,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 11:53:46,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 11:53:46,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 11:53:46,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 11:53:46,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 11:53:46,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 11:53:46,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 11:53:46,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 11:53:46,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 11:53:46,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 11:53:46,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 11:53:46,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 11:53:46,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 11:53:46,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 11:53:46,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 11:53:46,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 11:53:46,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 11:53:46,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 11:53:46,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 11:53:46,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 11:53:46,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 11:53:46,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 11:53:46,543 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 [2019-10-07 11:53:46,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 11:53:46,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 11:53:46,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 11:53:46,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 11:53:46,574 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 11:53:46,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 11:53:46,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 11:53:46,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 11:53:46,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 11:53:46,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 11:53:46,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 11:53:46,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 11:53:46,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 11:53:46,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 11:53:46,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 11:53:46,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 11:53:46,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 11:53:46,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 11:53:46,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 11:53:46,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 11:53:46,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 11:53:46,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:53:46,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 11:53:46,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 11:53:46,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 11:53:46,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 11:53:46,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 11:53:46,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 11:53:46,580 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 [2019-10-07 11:53:46,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 11:53:46,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 11:53:46,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 11:53:46,879 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 11:53:46,879 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 11:53:46,880 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-07 11:53:46,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e00bf31e/199121a81ac84fcab7e7830a44dcd86f/FLAG7b6968cd5 [2019-10-07 11:53:47,829 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 11:53:47,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-07 11:53:47,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e00bf31e/199121a81ac84fcab7e7830a44dcd86f/FLAG7b6968cd5 [2019-10-07 11:53:48,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e00bf31e/199121a81ac84fcab7e7830a44dcd86f [2019-10-07 11:53:48,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 11:53:48,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 11:53:48,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 11:53:48,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 11:53:48,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 11:53:48,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:53:48" (1/1) ... [2019-10-07 11:53:48,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357ac013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:48, skipping insertion in model container [2019-10-07 11:53:48,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:53:48" (1/1) ... [2019-10-07 11:53:48,305 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 11:53:48,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 11:53:51,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:53:51,670 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 11:53:52,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:53:52,586 INFO L192 MainTranslator]: Completed translation [2019-10-07 11:53:52,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52 WrapperNode [2019-10-07 11:53:52,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 11:53:52,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 11:53:52,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 11:53:52,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 11:53:52,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (1/1) ... [2019-10-07 11:53:52,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (1/1) ... [2019-10-07 11:53:52,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (1/1) ... [2019-10-07 11:53:52,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (1/1) ... [2019-10-07 11:53:52,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (1/1) ... [2019-10-07 11:53:52,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (1/1) ... [2019-10-07 11:53:52,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (1/1) ... [2019-10-07 11:53:53,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 11:53:53,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 11:53:53,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 11:53:53,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 11:53:53,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (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 [2019-10-07 11:53:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 11:53:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 11:53:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:53:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 11:53:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-07 11:53:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2019-10-07 11:53:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 11:53:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 11:53:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-07 11:53:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 11:53:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-07 11:53:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2019-10-07 11:53:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 11:53:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 11:53:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-07 11:53:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-07 11:53:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 11:53:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 11:53:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 11:53:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 11:53:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 11:53:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 11:53:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 11:53:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 11:53:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 11:53:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 11:53:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 11:53:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 11:53:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2019-10-07 11:53:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-10-07 11:53:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-10-07 11:53:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 11:53:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 11:53:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-07 11:53:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-07 11:53:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-07 11:53:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-07 11:53:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 11:53:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 11:53:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 11:53:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 11:53:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-07 11:53:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-07 11:53:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-07 11:53:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-07 11:53:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-07 11:53:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-07 11:53:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2019-10-07 11:53:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2019-10-07 11:53:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2019-10-07 11:53:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2019-10-07 11:53:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2019-10-07 11:53:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2019-10-07 11:53:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2019-10-07 11:53:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2019-10-07 11:53:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2019-10-07 11:53:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2019-10-07 11:53:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2019-10-07 11:53:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2019-10-07 11:53:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2019-10-07 11:53:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2019-10-07 11:53:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2019-10-07 11:53:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2019-10-07 11:53:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2019-10-07 11:53:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2019-10-07 11:53:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2019-10-07 11:53:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2019-10-07 11:53:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2019-10-07 11:53:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2019-10-07 11:53:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2019-10-07 11:53:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2019-10-07 11:53:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2019-10-07 11:53:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2019-10-07 11:53:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2019-10-07 11:53:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2019-10-07 11:53:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2019-10-07 11:53:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2019-10-07 11:53:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-10-07 11:53:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-10-07 11:53:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-10-07 11:53:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2019-10-07 11:53:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2019-10-07 11:53:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2019-10-07 11:53:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2019-10-07 11:53:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2019-10-07 11:53:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2019-10-07 11:53:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2019-10-07 11:53:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2019-10-07 11:53:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2019-10-07 11:53:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-10-07 11:53:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-10-07 11:53:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2019-10-07 11:53:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2019-10-07 11:53:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2019-10-07 11:53:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2019-10-07 11:53:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2019-10-07 11:53:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2019-10-07 11:53:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2019-10-07 11:53:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_5 [2019-10-07 11:53:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2019-10-07 11:53:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_3 [2019-10-07 11:53:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-07 11:53:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2019-10-07 11:53:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-07 11:53:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-07 11:53:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_3 [2019-10-07 11:53:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-07 11:53:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-07 11:53:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2019-10-07 11:53:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-07 11:53:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-07 11:53:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-07 11:53:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-07 11:53:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2019-10-07 11:53:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2019-10-07 11:53:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-07 11:53:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-07 11:53:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-07 11:53:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_fb_ops_6 [2019-10-07 11:53:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 11:53:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-07 11:53:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-07 11:53:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-07 11:53:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-07 11:53:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-07 11:53:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-07 11:53:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-07 11:53:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-07 11:53:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-10-07 11:53:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-07 11:53:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-07 11:53:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-07 11:53:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-07 11:53:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-07 11:53:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-07 11:53:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-07 11:53:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-07 11:53:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2019-10-07 11:53:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2019-10-07 11:53:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 11:53:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 11:53:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 11:53:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 11:53:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 11:53:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 11:53:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-07 11:53:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-07 11:53:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 11:53:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 11:53:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 11:53:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 11:53:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 11:53:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-07 11:53:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-07 11:53:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-07 11:53:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-07 11:53:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:53:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:53:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 11:53:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 11:53:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:53:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 11:53:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 11:53:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-07 11:53:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-07 11:53:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:53:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-07 11:53:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-07 11:53:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-07 11:53:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-07 11:53:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-07 11:53:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-07 11:53:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-07 11:53:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-07 11:53:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock_of_fb_info [2019-10-07 11:53:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock_of_fb_info [2019-10-07 11:53:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock_of_fb_info [2019-10-07 11:53:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock_of_fb_info [2019-10-07 11:53:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:53:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:53:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:53:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:53:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-07 11:53:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-07 11:53:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-07 11:53:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-07 11:53:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-07 11:53:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-07 11:53:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-07 11:53:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_update_lock_of_backlight_device [2019-10-07 11:53:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_update_lock_of_backlight_device [2019-10-07 11:53:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_update_lock_of_backlight_device [2019-10-07 11:53:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_update_lock_of_backlight_device [2019-10-07 11:53:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 11:53:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 11:53:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-07 11:53:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-07 11:53:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 11:53:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 11:53:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-07 11:53:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-07 11:53:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 11:53:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2019-10-07 11:53:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 11:53:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 11:53:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 11:53:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 11:53:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 11:53:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-10-07 11:53:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-07 11:53:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-10-07 11:53:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-07 11:53:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2019-10-07 11:53:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2019-10-07 11:53:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2019-10-07 11:53:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2019-10-07 11:53:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-10-07 11:53:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2019-10-07 11:53:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2019-10-07 11:53:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2019-10-07 11:53:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2019-10-07 11:53:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2019-10-07 11:53:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2019-10-07 11:53:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2019-10-07 11:53:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2019-10-07 11:53:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2019-10-07 11:53:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2019-10-07 11:53:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2019-10-07 11:53:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-07 11:53:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2019-10-07 11:53:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-10-07 11:53:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-07 11:53:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 11:53:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_5 [2019-10-07 11:53:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_6 [2019-10-07 11:53:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2019-10-07 11:53:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-07 11:53:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 11:53:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 11:53:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 11:53:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 11:53:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 11:53:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-07 11:53:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 11:53:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2019-10-07 11:53:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2019-10-07 11:53:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2019-10-07 11:53:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2019-10-07 11:53:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2019-10-07 11:53:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2019-10-07 11:53:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2019-10-07 11:53:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-07 11:53:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-07 11:53:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-07 11:53:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-07 11:53:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 11:53:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-07 11:53:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-07 11:53:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-10-07 11:53:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 11:53:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-07 11:53:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-07 11:53:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-10-07 11:53:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2019-10-07 11:53:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-10-07 11:53:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 11:53:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 11:53:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 11:53:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 11:53:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 11:53:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 11:53:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 11:53:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2019-10-07 11:53:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 11:53:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 11:53:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-07 11:53:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 11:53:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2019-10-07 11:53:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 11:53:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-07 11:53:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 11:53:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 11:53:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 11:53:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 11:53:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 11:53:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 11:53:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-07 11:53:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-07 11:53:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 11:53:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 11:53:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 11:53:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 11:53:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 11:53:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-07 11:53:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2019-10-07 11:53:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-07 11:53:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 11:53:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 11:53:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 11:53:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-07 11:53:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-07 11:53:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 11:53:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 11:53:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 11:53:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-10-07 11:53:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 11:53:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-07 11:53:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-07 11:53:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-07 11:53:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-07 11:53:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-07 11:53:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-07 11:53:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 11:53:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 11:53:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 11:53:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 11:53:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 11:53:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 11:53:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 11:53:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 11:53:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 11:53:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 11:53:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 11:53:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 11:53:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 11:53:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 11:53:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 11:53:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 11:53:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 11:53:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 11:53:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-07 11:53:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-07 11:53:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-07 11:53:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-07 11:53:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-07 11:53:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 11:53:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 11:53:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 11:53:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 11:53:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2019-10-07 11:53:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2019-10-07 11:53:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:53:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:53:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:53:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2019-10-07 11:53:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2019-10-07 11:53:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 11:53:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 11:53:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 11:53:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 11:53:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 11:53:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2019-10-07 11:53:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-07 11:53:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-07 11:53:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-07 11:53:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 11:53:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-07 11:53:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-07 11:53:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-07 11:53:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-07 11:53:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-07 11:53:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-07 11:53:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-07 11:53:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-10-07 11:53:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-10-07 11:53:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 11:53:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 11:53:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 11:53:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 11:53:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_5 [2019-10-07 11:53:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2019-10-07 11:53:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_3 [2019-10-07 11:53:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-07 11:53:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2019-10-07 11:53:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-07 11:53:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-07 11:53:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_3 [2019-10-07 11:53:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-07 11:53:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-07 11:53:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2019-10-07 11:53:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-07 11:53:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-07 11:53:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-07 11:53:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-07 11:53:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2019-10-07 11:53:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2019-10-07 11:53:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-07 11:53:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-07 11:53:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-07 11:53:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_fb_ops_6 [2019-10-07 11:53:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-07 11:53:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-07 11:53:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 11:53:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-07 11:53:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:53:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-07 11:53:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 11:53:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 11:53:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 11:53:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-07 11:53:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 11:53:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 11:53:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-07 11:53:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-07 11:53:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-10-07 11:53:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-10-07 11:53:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 11:53:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 11:53:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 11:53:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-07 11:53:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 11:53:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2019-10-07 11:53:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2019-10-07 11:53:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-07 11:53:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-07 11:53:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-07 11:53:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2019-10-07 11:53:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-07 11:53:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 11:53:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2019-10-07 11:53:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 11:53:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2019-10-07 11:53:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-07 11:53:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-07 11:53:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-07 11:53:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-07 11:53:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-07 11:53:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-07 11:53:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-07 11:53:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-10-07 11:53:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-07 11:53:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2019-10-07 11:53:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2019-10-07 11:53:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2019-10-07 11:53:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2019-10-07 11:53:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2019-10-07 11:53:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2019-10-07 11:53:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2019-10-07 11:53:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2019-10-07 11:53:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2019-10-07 11:53:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2019-10-07 11:53:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2019-10-07 11:53:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2019-10-07 11:53:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2019-10-07 11:53:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-10-07 11:53:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2019-10-07 11:53:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2019-10-07 11:53:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2019-10-07 11:53:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2019-10-07 11:53:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2019-10-07 11:53:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2019-10-07 11:53:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2019-10-07 11:53:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2019-10-07 11:53:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2019-10-07 11:53:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-10-07 11:53:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-10-07 11:53:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-10-07 11:53:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-07 11:53:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2019-10-07 11:53:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2019-10-07 11:53:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2019-10-07 11:53:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2019-10-07 11:53:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2019-10-07 11:53:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2019-10-07 11:53:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2019-10-07 11:53:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2019-10-07 11:53:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2019-10-07 11:53:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2019-10-07 11:53:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2019-10-07 11:53:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2019-10-07 11:53:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2019-10-07 11:53:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2019-10-07 11:53:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2019-10-07 11:53:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2019-10-07 11:53:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2019-10-07 11:53:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2019-10-07 11:53:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2019-10-07 11:53:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2019-10-07 11:53:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2019-10-07 11:53:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2019-10-07 11:53:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2019-10-07 11:53:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 11:53:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2019-10-07 11:53:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2019-10-07 11:53:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2019-10-07 11:53:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2019-10-07 11:53:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2019-10-07 11:53:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2019-10-07 11:53:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2019-10-07 11:53:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2019-10-07 11:53:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2019-10-07 11:53:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2019-10-07 11:53:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2019-10-07 11:53:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2019-10-07 11:53:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-10-07 11:53:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-10-07 11:53:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-10-07 11:53:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2019-10-07 11:53:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2019-10-07 11:53:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2019-10-07 11:53:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2019-10-07 11:53:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2019-10-07 11:53:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2019-10-07 11:53:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2019-10-07 11:53:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2019-10-07 11:53:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2019-10-07 11:53:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2019-10-07 11:53:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2019-10-07 11:53:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2019-10-07 11:53:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2019-10-07 11:53:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2019-10-07 11:53:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2019-10-07 11:53:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2019-10-07 11:53:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2019-10-07 11:53:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-10-07 11:53:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2019-10-07 11:53:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-10-07 11:53:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2019-10-07 11:53:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2019-10-07 11:53:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-07 11:53:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_5 [2019-10-07 11:53:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2019-10-07 11:53:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 11:53:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 11:53:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_6 [2019-10-07 11:53:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 11:53:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 11:53:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 11:53:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 11:53:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 11:53:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 11:53:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 11:53:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-07 11:53:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-07 11:53:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 11:53:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 11:53:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 11:53:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-07 11:53:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-07 11:53:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-07 11:53:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-07 11:53:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:53:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:53:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 11:53:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:53:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 11:53:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-07 11:53:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-07 11:53:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:53:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-07 11:53:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2019-10-07 11:53:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock_of_fb_info [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock_of_fb_info [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock_of_fb_info [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock_of_fb_info [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:53:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:53:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:53:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:53:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:53:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:53:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:53:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:53:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2019-10-07 11:53:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2019-10-07 11:53:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2019-10-07 11:53:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2019-10-07 11:53:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2019-10-07 11:53:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_update_lock_of_backlight_device [2019-10-07 11:53:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_update_lock_of_backlight_device [2019-10-07 11:53:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_update_lock_of_backlight_device [2019-10-07 11:53:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_update_lock_of_backlight_device [2019-10-07 11:53:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 11:53:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 11:53:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 11:53:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 11:53:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 11:53:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 11:53:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 11:53:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 11:53:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 11:53:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 11:53:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 11:53:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 11:53:55,491 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 11:54:17,194 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 11:54:17,194 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 11:54:17,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:54:17 BoogieIcfgContainer [2019-10-07 11:54:17,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 11:54:17,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 11:54:17,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 11:54:17,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 11:54:17,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 11:53:48" (1/3) ... [2019-10-07 11:54:17,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265a833f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:54:17, skipping insertion in model container [2019-10-07 11:54:17,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:53:52" (2/3) ... [2019-10-07 11:54:17,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265a833f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:54:17, skipping insertion in model container [2019-10-07 11:54:17,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:54:17" (3/3) ... [2019-10-07 11:54:17,205 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2019-10-07 11:54:17,215 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 11:54:17,227 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 11:54:17,239 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 11:54:17,278 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 11:54:17,278 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 11:54:17,278 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 11:54:17,279 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 11:54:17,279 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 11:54:17,279 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 11:54:17,279 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 11:54:17,279 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 11:54:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states. [2019-10-07 11:54:17,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-10-07 11:54:17,354 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:17,355 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:17,357 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:17,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:17,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1306622462, now seen corresponding path program 1 times [2019-10-07 11:54:17,369 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:17,369 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:17,369 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:17,369 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:17,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2019-10-07 11:54:18,652 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:18,653 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:18,654 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:54:18,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:54:18,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:54:18,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:54:18,679 INFO L87 Difference]: Start difference. First operand 1758 states. Second operand 3 states. [2019-10-07 11:54:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:21,204 INFO L93 Difference]: Finished difference Result 4020 states and 5343 transitions. [2019-10-07 11:54:21,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:54:21,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2019-10-07 11:54:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:21,253 INFO L225 Difference]: With dead ends: 4020 [2019-10-07 11:54:21,253 INFO L226 Difference]: Without dead ends: 2656 [2019-10-07 11:54:21,268 INFO L606 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 [2019-10-07 11:54:21,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2019-10-07 11:54:21,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2652. [2019-10-07 11:54:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2652 states. [2019-10-07 11:54:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3455 transitions. [2019-10-07 11:54:21,536 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3455 transitions. Word has length 283 [2019-10-07 11:54:21,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:21,539 INFO L462 AbstractCegarLoop]: Abstraction has 2652 states and 3455 transitions. [2019-10-07 11:54:21,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:54:21,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3455 transitions. [2019-10-07 11:54:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-07 11:54:21,548 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:21,549 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:21,549 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:21,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1539973693, now seen corresponding path program 1 times [2019-10-07 11:54:21,550 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:21,550 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:21,550 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:21,550 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:21,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2019-10-07 11:54:21,992 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:21,993 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:21,993 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:54:21,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:54:21,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:54:21,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:54:21,997 INFO L87 Difference]: Start difference. First operand 2652 states and 3455 transitions. Second operand 3 states. [2019-10-07 11:54:22,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:22,368 INFO L93 Difference]: Finished difference Result 7694 states and 10005 transitions. [2019-10-07 11:54:22,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:54:22,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-07 11:54:22,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:22,418 INFO L225 Difference]: With dead ends: 7694 [2019-10-07 11:54:22,419 INFO L226 Difference]: Without dead ends: 5122 [2019-10-07 11:54:22,439 INFO L606 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 [2019-10-07 11:54:22,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2019-10-07 11:54:22,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 5096. [2019-10-07 11:54:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5096 states. [2019-10-07 11:54:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5096 states to 5096 states and 6627 transitions. [2019-10-07 11:54:22,791 INFO L78 Accepts]: Start accepts. Automaton has 5096 states and 6627 transitions. Word has length 288 [2019-10-07 11:54:22,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:22,793 INFO L462 AbstractCegarLoop]: Abstraction has 5096 states and 6627 transitions. [2019-10-07 11:54:22,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:54:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 5096 states and 6627 transitions. [2019-10-07 11:54:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2019-10-07 11:54:22,806 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:22,806 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:22,807 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:22,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:22,807 INFO L82 PathProgramCache]: Analyzing trace with hash 2141236272, now seen corresponding path program 1 times [2019-10-07 11:54:22,807 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:22,808 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:22,808 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:22,808 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:22,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2019-10-07 11:54:24,490 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:24,490 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:24,491 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:54:24,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:54:24,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:54:24,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:54:24,492 INFO L87 Difference]: Start difference. First operand 5096 states and 6627 transitions. Second operand 3 states. [2019-10-07 11:54:24,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:24,651 INFO L93 Difference]: Finished difference Result 5098 states and 6628 transitions. [2019-10-07 11:54:24,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:54:24,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2019-10-07 11:54:24,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:24,687 INFO L225 Difference]: With dead ends: 5098 [2019-10-07 11:54:24,687 INFO L226 Difference]: Without dead ends: 5095 [2019-10-07 11:54:24,691 INFO L606 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 [2019-10-07 11:54:24,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5095 states. [2019-10-07 11:54:24,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5095 to 5095. [2019-10-07 11:54:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5095 states. [2019-10-07 11:54:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6625 transitions. [2019-10-07 11:54:24,948 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6625 transitions. Word has length 299 [2019-10-07 11:54:24,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:24,949 INFO L462 AbstractCegarLoop]: Abstraction has 5095 states and 6625 transitions. [2019-10-07 11:54:24,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:54:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6625 transitions. [2019-10-07 11:54:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-07 11:54:24,956 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:24,957 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:24,957 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:24,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:24,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1952899447, now seen corresponding path program 1 times [2019-10-07 11:54:24,958 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:24,958 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:24,958 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:24,958 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:24,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2019-10-07 11:54:25,529 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:25,530 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:25,530 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:54:25,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:54:25,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:54:25,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:54:25,532 INFO L87 Difference]: Start difference. First operand 5095 states and 6625 transitions. Second operand 3 states. [2019-10-07 11:54:25,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:25,730 INFO L93 Difference]: Finished difference Result 5097 states and 6626 transitions. [2019-10-07 11:54:25,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:54:25,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2019-10-07 11:54:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:25,775 INFO L225 Difference]: With dead ends: 5097 [2019-10-07 11:54:25,776 INFO L226 Difference]: Without dead ends: 5094 [2019-10-07 11:54:25,781 INFO L606 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 [2019-10-07 11:54:25,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5094 states. [2019-10-07 11:54:26,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5094 to 5094. [2019-10-07 11:54:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5094 states. [2019-10-07 11:54:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5094 states to 5094 states and 6623 transitions. [2019-10-07 11:54:26,274 INFO L78 Accepts]: Start accepts. Automaton has 5094 states and 6623 transitions. Word has length 300 [2019-10-07 11:54:26,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:26,275 INFO L462 AbstractCegarLoop]: Abstraction has 5094 states and 6623 transitions. [2019-10-07 11:54:26,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:54:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5094 states and 6623 transitions. [2019-10-07 11:54:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-10-07 11:54:26,284 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:26,284 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:26,285 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:26,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:26,285 INFO L82 PathProgramCache]: Analyzing trace with hash 409430035, now seen corresponding path program 1 times [2019-10-07 11:54:26,286 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:26,286 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:26,286 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:26,286 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:26,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2019-10-07 11:54:26,857 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:26,857 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:26,857 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:54:26,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:54:26,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:54:26,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:54:26,859 INFO L87 Difference]: Start difference. First operand 5094 states and 6623 transitions. Second operand 3 states. [2019-10-07 11:54:27,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:27,295 INFO L93 Difference]: Finished difference Result 15048 states and 20036 transitions. [2019-10-07 11:54:27,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:54:27,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2019-10-07 11:54:27,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:27,386 INFO L225 Difference]: With dead ends: 15048 [2019-10-07 11:54:27,386 INFO L226 Difference]: Without dead ends: 10040 [2019-10-07 11:54:27,415 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:54:27,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10040 states. [2019-10-07 11:54:27,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10040 to 10022. [2019-10-07 11:54:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10022 states. [2019-10-07 11:54:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10022 states to 10022 states and 13276 transitions. [2019-10-07 11:54:28,013 INFO L78 Accepts]: Start accepts. Automaton has 10022 states and 13276 transitions. Word has length 301 [2019-10-07 11:54:28,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:28,015 INFO L462 AbstractCegarLoop]: Abstraction has 10022 states and 13276 transitions. [2019-10-07 11:54:28,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:54:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 10022 states and 13276 transitions. [2019-10-07 11:54:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-07 11:54:28,149 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:28,150 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:28,150 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:28,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:28,151 INFO L82 PathProgramCache]: Analyzing trace with hash -193476614, now seen corresponding path program 1 times [2019-10-07 11:54:28,151 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:28,151 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:28,151 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:28,151 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:28,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2019-10-07 11:54:28,710 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:28,710 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:28,710 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:54:28,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:54:28,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:54:28,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:54:28,713 INFO L87 Difference]: Start difference. First operand 10022 states and 13276 transitions. Second operand 3 states. [2019-10-07 11:54:29,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:29,093 INFO L93 Difference]: Finished difference Result 10024 states and 13277 transitions. [2019-10-07 11:54:29,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:54:29,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-10-07 11:54:29,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:29,192 INFO L225 Difference]: With dead ends: 10024 [2019-10-07 11:54:29,192 INFO L226 Difference]: Without dead ends: 10021 [2019-10-07 11:54:29,203 INFO L606 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 [2019-10-07 11:54:29,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10021 states. [2019-10-07 11:54:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10021 to 10021. [2019-10-07 11:54:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10021 states. [2019-10-07 11:54:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10021 states to 10021 states and 13274 transitions. [2019-10-07 11:54:29,826 INFO L78 Accepts]: Start accepts. Automaton has 10021 states and 13274 transitions. Word has length 302 [2019-10-07 11:54:29,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:29,827 INFO L462 AbstractCegarLoop]: Abstraction has 10021 states and 13274 transitions. [2019-10-07 11:54:29,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:54:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 10021 states and 13274 transitions. [2019-10-07 11:54:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-07 11:54:29,837 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:29,837 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:29,838 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:29,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:29,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1703708682, now seen corresponding path program 1 times [2019-10-07 11:54:29,838 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:29,839 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:29,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:29,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:29,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2019-10-07 11:54:30,461 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:30,461 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:30,462 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:54:30,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:54:30,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:54:30,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:54:30,463 INFO L87 Difference]: Start difference. First operand 10021 states and 13274 transitions. Second operand 3 states. [2019-10-07 11:54:30,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:30,834 INFO L93 Difference]: Finished difference Result 10023 states and 13275 transitions. [2019-10-07 11:54:30,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:54:30,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2019-10-07 11:54:30,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:30,889 INFO L225 Difference]: With dead ends: 10023 [2019-10-07 11:54:30,890 INFO L226 Difference]: Without dead ends: 10003 [2019-10-07 11:54:30,904 INFO L606 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 [2019-10-07 11:54:30,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10003 states. [2019-10-07 11:54:31,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10003 to 10003. [2019-10-07 11:54:31,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10003 states. [2019-10-07 11:54:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10003 states to 10003 states and 13250 transitions. [2019-10-07 11:54:31,540 INFO L78 Accepts]: Start accepts. Automaton has 10003 states and 13250 transitions. Word has length 303 [2019-10-07 11:54:31,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:31,541 INFO L462 AbstractCegarLoop]: Abstraction has 10003 states and 13250 transitions. [2019-10-07 11:54:31,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:54:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 10003 states and 13250 transitions. [2019-10-07 11:54:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-10-07 11:54:31,552 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:31,552 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:31,553 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:31,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:31,553 INFO L82 PathProgramCache]: Analyzing trace with hash 335440162, now seen corresponding path program 1 times [2019-10-07 11:54:31,553 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:31,554 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:31,554 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:31,554 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:31,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2019-10-07 11:54:32,221 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:32,221 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:32,221 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 11:54:32,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 11:54:32,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 11:54:32,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:54:32,223 INFO L87 Difference]: Start difference. First operand 10003 states and 13250 transitions. Second operand 5 states. [2019-10-07 11:54:39,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:39,591 INFO L93 Difference]: Finished difference Result 29742 states and 40113 transitions. [2019-10-07 11:54:39,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 11:54:39,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 332 [2019-10-07 11:54:39,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:39,718 INFO L225 Difference]: With dead ends: 29742 [2019-10-07 11:54:39,718 INFO L226 Difference]: Without dead ends: 19825 [2019-10-07 11:54:39,780 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:54:39,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19825 states. [2019-10-07 11:54:40,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19825 to 19663. [2019-10-07 11:54:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19663 states. [2019-10-07 11:54:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19663 states to 19663 states and 26735 transitions. [2019-10-07 11:54:41,037 INFO L78 Accepts]: Start accepts. Automaton has 19663 states and 26735 transitions. Word has length 332 [2019-10-07 11:54:41,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:41,038 INFO L462 AbstractCegarLoop]: Abstraction has 19663 states and 26735 transitions. [2019-10-07 11:54:41,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 11:54:41,038 INFO L276 IsEmpty]: Start isEmpty. Operand 19663 states and 26735 transitions. [2019-10-07 11:54:41,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-10-07 11:54:41,048 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:41,048 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:41,049 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:41,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:41,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1315728011, now seen corresponding path program 1 times [2019-10-07 11:54:41,049 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:41,049 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:41,050 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:41,050 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:41,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2019-10-07 11:54:41,591 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:41,592 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:41,592 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 11:54:41,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 11:54:41,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 11:54:41,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:54:41,594 INFO L87 Difference]: Start difference. First operand 19663 states and 26735 transitions. Second operand 5 states. [2019-10-07 11:54:49,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:54:49,090 INFO L93 Difference]: Finished difference Result 39386 states and 53558 transitions. [2019-10-07 11:54:49,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 11:54:49,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 330 [2019-10-07 11:54:49,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:54:49,188 INFO L225 Difference]: With dead ends: 39386 [2019-10-07 11:54:49,188 INFO L226 Difference]: Without dead ends: 19809 [2019-10-07 11:54:49,273 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:54:49,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19809 states. [2019-10-07 11:54:51,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19809 to 19647. [2019-10-07 11:54:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19647 states. [2019-10-07 11:54:51,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19647 states to 19647 states and 26679 transitions. [2019-10-07 11:54:51,376 INFO L78 Accepts]: Start accepts. Automaton has 19647 states and 26679 transitions. Word has length 330 [2019-10-07 11:54:51,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:54:51,377 INFO L462 AbstractCegarLoop]: Abstraction has 19647 states and 26679 transitions. [2019-10-07 11:54:51,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 11:54:51,377 INFO L276 IsEmpty]: Start isEmpty. Operand 19647 states and 26679 transitions. [2019-10-07 11:54:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-10-07 11:54:51,386 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:54:51,387 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:54:51,387 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:54:51,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:54:51,387 INFO L82 PathProgramCache]: Analyzing trace with hash 836638736, now seen corresponding path program 1 times [2019-10-07 11:54:51,388 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:54:51,388 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:51,388 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:51,388 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:54:51,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:54:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:54:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2019-10-07 11:54:52,009 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:54:52,010 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:54:52,010 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 11:54:52,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 11:54:52,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 11:54:52,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-07 11:54:52,011 INFO L87 Difference]: Start difference. First operand 19647 states and 26679 transitions. Second operand 9 states. [2019-10-07 11:55:06,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:55:06,400 INFO L93 Difference]: Finished difference Result 49223 states and 67251 transitions. [2019-10-07 11:55:06,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 11:55:06,400 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 333 [2019-10-07 11:55:06,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:55:06,573 INFO L225 Difference]: With dead ends: 49223 [2019-10-07 11:55:06,573 INFO L226 Difference]: Without dead ends: 29662 [2019-10-07 11:55:06,646 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2019-10-07 11:55:06,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29662 states. [2019-10-07 11:55:08,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29662 to 29323. [2019-10-07 11:55:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29323 states. [2019-10-07 11:55:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29323 states to 29323 states and 40172 transitions. [2019-10-07 11:55:08,170 INFO L78 Accepts]: Start accepts. Automaton has 29323 states and 40172 transitions. Word has length 333 [2019-10-07 11:55:08,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:55:08,171 INFO L462 AbstractCegarLoop]: Abstraction has 29323 states and 40172 transitions. [2019-10-07 11:55:08,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 11:55:08,171 INFO L276 IsEmpty]: Start isEmpty. Operand 29323 states and 40172 transitions. [2019-10-07 11:55:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2019-10-07 11:55:08,182 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:55:08,182 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:55:08,183 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:55:08,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:55:08,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1644418535, now seen corresponding path program 1 times [2019-10-07 11:55:08,184 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:55:08,184 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:55:08,184 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:55:08,184 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:55:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:55:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:55:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2019-10-07 11:55:08,697 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:55:08,698 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:55:08,698 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 11:55:08,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 11:55:08,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 11:55:08,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:55:08,700 INFO L87 Difference]: Start difference. First operand 29323 states and 40172 transitions. Second operand 5 states. [2019-10-07 11:55:14,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:55:14,110 INFO L93 Difference]: Finished difference Result 58706 states and 80408 transitions. [2019-10-07 11:55:14,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 11:55:14,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 331 [2019-10-07 11:55:14,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:55:14,268 INFO L225 Difference]: With dead ends: 58706 [2019-10-07 11:55:14,268 INFO L226 Difference]: Without dead ends: 29469 [2019-10-07 11:55:14,355 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:55:14,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29469 states. [2019-10-07 11:55:15,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29469 to 29291. [2019-10-07 11:55:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29291 states. [2019-10-07 11:55:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29291 states to 29291 states and 40076 transitions. [2019-10-07 11:55:15,551 INFO L78 Accepts]: Start accepts. Automaton has 29291 states and 40076 transitions. Word has length 331 [2019-10-07 11:55:15,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:55:15,552 INFO L462 AbstractCegarLoop]: Abstraction has 29291 states and 40076 transitions. [2019-10-07 11:55:15,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 11:55:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29291 states and 40076 transitions. [2019-10-07 11:55:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-10-07 11:55:15,566 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:55:15,566 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:55:15,567 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:55:15,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:55:15,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1042639547, now seen corresponding path program 1 times [2019-10-07 11:55:15,567 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:55:15,567 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:55:15,568 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:55:15,568 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:55:15,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:55:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:55:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2019-10-07 11:55:17,961 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:55:17,961 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:55:17,961 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 11:55:17,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 11:55:17,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 11:55:17,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 11:55:17,963 INFO L87 Difference]: Start difference. First operand 29291 states and 40076 transitions. Second operand 7 states. [2019-10-07 11:55:18,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:55:18,935 INFO L93 Difference]: Finished difference Result 57382 states and 78973 transitions. [2019-10-07 11:55:18,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 11:55:18,936 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 363 [2019-10-07 11:55:18,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:55:19,080 INFO L225 Difference]: With dead ends: 57382 [2019-10-07 11:55:19,080 INFO L226 Difference]: Without dead ends: 28177 [2019-10-07 11:55:19,197 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 11:55:19,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28177 states. [2019-10-07 11:55:20,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28177 to 28177. [2019-10-07 11:55:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28177 states. [2019-10-07 11:55:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28177 states to 28177 states and 37242 transitions. [2019-10-07 11:55:20,603 INFO L78 Accepts]: Start accepts. Automaton has 28177 states and 37242 transitions. Word has length 363 [2019-10-07 11:55:20,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:55:20,604 INFO L462 AbstractCegarLoop]: Abstraction has 28177 states and 37242 transitions. [2019-10-07 11:55:20,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 11:55:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 28177 states and 37242 transitions. [2019-10-07 11:55:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-07 11:55:20,619 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:55:20,620 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:55:20,620 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:55:20,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:55:20,621 INFO L82 PathProgramCache]: Analyzing trace with hash -208169532, now seen corresponding path program 1 times [2019-10-07 11:55:20,621 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:55:20,621 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:55:20,621 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:55:20,621 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:55:20,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:55:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:55:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2019-10-07 11:55:21,069 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:55:21,070 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:55:21,070 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:55:21,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:55:21,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:55:21,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:55:21,072 INFO L87 Difference]: Start difference. First operand 28177 states and 37242 transitions. Second operand 3 states. [2019-10-07 11:55:24,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:55:24,110 INFO L93 Difference]: Finished difference Result 69845 states and 92323 transitions. [2019-10-07 11:55:24,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:55:24,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2019-10-07 11:55:24,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:55:24,322 INFO L225 Difference]: With dead ends: 69845 [2019-10-07 11:55:24,322 INFO L226 Difference]: Without dead ends: 41754 [2019-10-07 11:55:24,427 INFO L606 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 [2019-10-07 11:55:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41754 states. [2019-10-07 11:55:26,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41754 to 41729. [2019-10-07 11:55:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41729 states. [2019-10-07 11:55:26,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41729 states to 41729 states and 55110 transitions. [2019-10-07 11:55:26,492 INFO L78 Accepts]: Start accepts. Automaton has 41729 states and 55110 transitions. Word has length 371 [2019-10-07 11:55:26,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:55:26,493 INFO L462 AbstractCegarLoop]: Abstraction has 41729 states and 55110 transitions. [2019-10-07 11:55:26,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:55:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 41729 states and 55110 transitions. [2019-10-07 11:55:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2019-10-07 11:55:26,521 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:55:26,521 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:55:26,521 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:55:26,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:55:26,522 INFO L82 PathProgramCache]: Analyzing trace with hash 655060365, now seen corresponding path program 1 times [2019-10-07 11:55:26,522 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:55:26,522 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:55:26,523 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:55:26,523 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:55:26,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:55:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:55:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2019-10-07 11:55:27,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:55:27,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:55:27,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:56:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:56:03,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 5034 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 11:56:03,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:56:03,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:56:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 571 proven. 0 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2019-10-07 11:56:03,338 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:56:03,725 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:56:03,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:56:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 10 proven. 65 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2019-10-07 11:56:04,064 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 11:56:04,064 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2019-10-07 11:56:04,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 11:56:04,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 11:56:04,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:56:04,067 INFO L87 Difference]: Start difference. First operand 41729 states and 55110 transitions. Second operand 6 states. [2019-10-07 11:56:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:56:06,887 INFO L93 Difference]: Finished difference Result 83493 states and 110795 transitions. [2019-10-07 11:56:06,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 11:56:06,888 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 389 [2019-10-07 11:56:06,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:56:07,187 INFO L225 Difference]: With dead ends: 83493 [2019-10-07 11:56:07,188 INFO L226 Difference]: Without dead ends: 41801 [2019-10-07 11:56:07,472 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 770 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-10-07 11:56:07,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41801 states. [2019-10-07 11:56:12,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41801 to 41787. [2019-10-07 11:56:12,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41787 states. [2019-10-07 11:56:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41787 states to 41787 states and 55197 transitions. [2019-10-07 11:56:12,498 INFO L78 Accepts]: Start accepts. Automaton has 41787 states and 55197 transitions. Word has length 389 [2019-10-07 11:56:12,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:56:12,500 INFO L462 AbstractCegarLoop]: Abstraction has 41787 states and 55197 transitions. [2019-10-07 11:56:12,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 11:56:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 41787 states and 55197 transitions. [2019-10-07 11:56:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-07 11:56:12,538 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:56:12,539 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:56:12,754 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:56:12,755 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:56:12,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:56:12,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1297812931, now seen corresponding path program 1 times [2019-10-07 11:56:12,756 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:56:12,756 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:56:12,756 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:56:12,757 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:56:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:56:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:56:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 1835 trivial. 0 not checked. [2019-10-07 11:56:14,089 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:56:14,089 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:56:14,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:57:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:57:01,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 5130 conjuncts, 91 conjunts are in the unsatisfiable core [2019-10-07 11:57:01,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:57:01,951 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-07 11:57:01,952 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:01,958 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:01,958 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 11:57:01,959 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-10-07 11:57:02,039 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-07 11:57:02,040 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:02,047 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:02,047 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 11:57:02,048 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-10-07 11:57:03,268 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#ptr.base| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base|) |c_#Ultimate.C_memset_#ptr.offset| |c_#Ultimate.C_memset_#value|)))) is different from true [2019-10-07 11:57:04,148 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#ptr.base| Int)) (= (store |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base|) |c_ldv_memset_#in~s.offset| |c_ldv_memset_#in~c|)) |c_#memory_int|)) is different from true [2019-10-07 11:57:04,180 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:04,181 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 34 [2019-10-07 11:57:04,181 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:04,221 INFO L567 ElimStorePlain]: treesize reduction 16, result has 56.8 percent of original size [2019-10-07 11:57:04,222 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 11:57:04,222 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2019-10-07 11:57:04,522 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-07 11:57:04,523 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:04,530 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:04,531 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 11:57:04,531 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-10-07 11:57:05,348 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.meminit_#ptr.base_AFTER_CALL_29| Int)) (and (<= (+ |c_#StackHeapBarrier| 1) |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_29|) (= (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_29| ((as const (Array Int Int)) 0)) |c_#memory_int|))) is different from true [2019-10-07 11:57:05,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:05,369 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2019-10-07 11:57:05,370 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:05,384 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:05,385 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 11:57:05,385 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:25 [2019-10-07 11:57:11,444 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 20 [2019-10-07 11:57:11,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:11,462 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2019-10-07 11:57:11,463 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:11,472 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:11,472 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 11:57:11,473 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:3 [2019-10-07 11:57:12,196 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.meminit_#ptr.base_AFTER_CALL_30| Int)) (and (<= (+ |c_#StackHeapBarrier| 1) |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_30|) (= (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_30| ((as const (Array Int Int)) 0)) |c_#memory_int|))) is different from true [2019-10-07 11:57:12,918 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.meminit_#ptr.base_AFTER_CALL_31| Int)) (and (= (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_31| ((as const (Array Int Int)) 0)) |c_#memory_int|) (<= (+ |c_#StackHeapBarrier| 1) |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_31|))) is different from true [2019-10-07 11:57:13,866 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.meminit_#ptr.base_AFTER_CALL_30| Int) (|v_#Ultimate.meminit_#ptr.base_AFTER_CALL_31| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (and (<= .cse0 |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_30|) (= |c_#memory_int| (let ((.cse1 ((as const (Array Int Int)) 0))) (store (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_30| .cse1) |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_31| .cse1))) (<= .cse0 |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_31|)))) is different from true [2019-10-07 11:57:13,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:13,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:13,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:13,939 INFO L341 Elim1Store]: treesize reduction 29, result has 50.8 percent of original size [2019-10-07 11:57:13,939 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 50 [2019-10-07 11:57:13,941 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:14,003 INFO L567 ElimStorePlain]: treesize reduction 18, result has 72.3 percent of original size [2019-10-07 11:57:14,004 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-10-07 11:57:14,004 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:47 [2019-10-07 11:57:18,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:18,056 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2019-10-07 11:57:18,058 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:18,066 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:18,066 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 11:57:18,067 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:3 [2019-10-07 11:57:18,776 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.meminit_#ptr.base_AFTER_CALL_32| Int)) (and (<= (+ |c_#StackHeapBarrier| 1) |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_32|) (= (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_32| ((as const (Array Int Int)) 0)) |c_#memory_int|))) is different from true [2019-10-07 11:57:18,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:18,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:18,839 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:18,839 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 41 [2019-10-07 11:57:18,840 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:19,194 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 [2019-10-07 11:57:19,195 INFO L567 ElimStorePlain]: treesize reduction 15, result has 68.8 percent of original size [2019-10-07 11:57:19,196 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-07 11:57:19,196 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2019-10-07 11:57:31,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 11:57:31,388 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2019-10-07 11:57:31,393 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-07 11:57:31,394 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 11:57:31,400 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:31,401 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-07 11:57:31,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 11:57:31,406 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 11:57:31,406 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2019-10-07 11:57:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 543 proven. 13 refuted. 0 times theorem prover too weak. 1382 trivial. 18 not checked. [2019-10-07 11:57:31,722 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:57:42,911 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-07 11:57:43,120 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:57:43,121 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 11:57:43,128 INFO L168 Benchmark]: Toolchain (without parser) took 234840.25 ms. Allocated memory was 138.9 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 91.2 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 888.3 MB. Max. memory is 7.1 GB. [2019-10-07 11:57:43,129 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 11:57:43,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4299.30 ms. Allocated memory was 138.9 MB in the beginning and 265.8 MB in the end (delta: 126.9 MB). Free memory was 91.0 MB in the beginning and 197.1 MB in the end (delta: -106.1 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. [2019-10-07 11:57:43,130 INFO L168 Benchmark]: Boogie Preprocessor took 423.06 ms. Allocated memory is still 265.8 MB. Free memory was 197.1 MB in the beginning and 162.7 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-10-07 11:57:43,131 INFO L168 Benchmark]: RCFGBuilder took 24185.43 ms. Allocated memory was 265.8 MB in the beginning and 631.2 MB in the end (delta: 365.4 MB). Free memory was 162.7 MB in the beginning and 238.5 MB in the end (delta: -75.8 MB). Peak memory consumption was 489.8 MB. Max. memory is 7.1 GB. [2019-10-07 11:57:43,132 INFO L168 Benchmark]: TraceAbstraction took 205927.95 ms. Allocated memory was 631.2 MB in the beginning and 2.7 GB in the end (delta: 2.1 GB). Free memory was 238.5 MB in the beginning and 1.8 GB in the end (delta: -1.5 GB). Peak memory consumption was 543.2 MB. Max. memory is 7.1 GB. [2019-10-07 11:57:43,135 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4299.30 ms. Allocated memory was 138.9 MB in the beginning and 265.8 MB in the end (delta: 126.9 MB). Free memory was 91.0 MB in the beginning and 197.1 MB in the end (delta: -106.1 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 423.06 ms. Allocated memory is still 265.8 MB. Free memory was 197.1 MB in the beginning and 162.7 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 24185.43 ms. Allocated memory was 265.8 MB in the beginning and 631.2 MB in the end (delta: 365.4 MB). Free memory was 162.7 MB in the beginning and 238.5 MB in the end (delta: -75.8 MB). Peak memory consumption was 489.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205927.95 ms. Allocated memory was 631.2 MB in the beginning and 2.7 GB in the end (delta: 2.1 GB). Free memory was 238.5 MB in the beginning and 1.8 GB in the end (delta: -1.5 GB). Peak memory consumption was 543.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...