java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:06:21,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:06:21,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:06:21,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:06:21,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:06:21,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:06:21,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:06:21,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:06:21,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:06:21,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:06:21,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:06:21,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:06:21,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:06:21,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:06:21,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:06:21,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:06:21,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:06:21,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:06:21,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:06:21,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:06:21,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:06:21,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:06:21,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:06:21,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:06:21,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:06:21,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:06:21,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:06:21,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:06:21,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:06:21,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:06:21,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:06:21,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:06:21,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:06:21,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:06:21,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:06:21,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:06:21,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:06:21,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:06:21,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:06:21,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:06:21,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:06:21,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:06:21,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:06:21,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:06:21,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:06:21,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:06:21,559 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:06:21,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:06:21,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:06:21,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:06:21,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:06:21,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:06:21,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:06:21,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:06:21,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:06:21,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:06:21,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:06:21,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:06:21,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:06:21,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:06:21,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:06:21,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:06:21,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:06:21,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:06:21,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:06:21,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:06:21,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:06:21,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:06:21,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:06:21,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:06:21,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:06:21,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:06:21,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:06:21,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:06:21,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:06:21,879 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:06:21,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-13 22:06:21,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf1e8695/f677e00282b148c386ba521db21b82dc/FLAG653961a30 [2019-10-13 22:06:22,656 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:06:22,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-13 22:06:22,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf1e8695/f677e00282b148c386ba521db21b82dc/FLAG653961a30 [2019-10-13 22:06:22,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf1e8695/f677e00282b148c386ba521db21b82dc [2019-10-13 22:06:22,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:06:22,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:06:22,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:06:22,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:06:22,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:06:22,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:06:22" (1/1) ... [2019-10-13 22:06:22,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa3a404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:22, skipping insertion in model container [2019-10-13 22:06:22,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:06:22" (1/1) ... [2019-10-13 22:06:22,760 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:06:22,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:06:23,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:06:23,969 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:06:24,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:06:24,350 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:06:24,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24 WrapperNode [2019-10-13 22:06:24,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:06:24,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:06:24,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:06:24,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:06:24,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (1/1) ... [2019-10-13 22:06:24,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (1/1) ... [2019-10-13 22:06:24,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (1/1) ... [2019-10-13 22:06:24,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (1/1) ... [2019-10-13 22:06:24,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (1/1) ... [2019-10-13 22:06:24,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (1/1) ... [2019-10-13 22:06:24,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (1/1) ... [2019-10-13 22:06:24,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:06:24,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:06:24,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:06:24,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:06:24,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:06:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:06:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:06:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:06:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:06:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:06:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:06:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:06:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:06:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:06:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-13 22:06:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-13 22:06:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-13 22:06:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-13 22:06:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-13 22:06:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 22:06:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 22:06:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 22:06:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 22:06:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 22:06:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 22:06:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 22:06:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-13 22:06:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 22:06:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-13 22:06:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 22:06:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 22:06:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-13 22:06:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-13 22:06:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-13 22:06:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-13 22:06:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-13 22:06:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-13 22:06:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-13 22:06:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-13 22:06:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-13 22:06:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-13 22:06:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-13 22:06:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-13 22:06:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-13 22:06:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-13 22:06:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-13 22:06:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-13 22:06:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-13 22:06:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-13 22:06:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-13 22:06:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-13 22:06:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-13 22:06:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-13 22:06:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-13 22:06:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-13 22:06:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-13 22:06:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-13 22:06:24,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-13 22:06:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-13 22:06:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-13 22:06:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:06:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-13 22:06:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 22:06:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 22:06:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-13 22:06:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 22:06:24,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-13 22:06:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 22:06:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-13 22:06:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-13 22:06:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-10-13 22:06:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-13 22:06:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-13 22:06:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-13 22:06:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-13 22:06:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 22:06:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-13 22:06:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-13 22:06:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:06:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:06:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:06:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:06:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:06:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:06:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:06:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:06:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:06:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:06:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:06:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:06:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:06:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:06:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:06:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:06:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:06:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:06:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:06:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 22:06:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-13 22:06:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-13 22:06:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-13 22:06:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-13 22:06:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:06:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-13 22:06:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-13 22:06:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-13 22:06:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2019-10-13 22:06:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2019-10-13 22:06:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2019-10-13 22:06:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2019-10-13 22:06:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:06:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:06:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:06:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-13 22:06:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-13 22:06:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:06:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-13 22:06:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-13 22:06:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 22:06:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 22:06:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:06:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:06:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:06:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:06:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 22:06:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:06:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 22:06:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 22:06:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 22:06:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:06:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 22:06:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 22:06:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 22:06:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:06:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:06:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:06:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:06:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:06:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:06:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:06:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:06:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:06:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:06:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:06:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:06:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:06:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:06:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-13 22:06:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-13 22:06:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:06:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:06:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-13 22:06:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:06:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2019-10-13 22:06:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2019-10-13 22:06:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2019-10-13 22:06:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2019-10-13 22:06:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-13 22:06:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-13 22:06:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:06:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:06:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 22:06:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:06:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-13 22:06:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-13 22:06:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 22:06:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 22:06:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 22:06:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-13 22:06:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-13 22:06:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-13 22:06:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 22:06:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-13 22:06:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-13 22:06:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 22:06:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-13 22:06:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-13 22:06:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-10-13 22:06:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-13 22:06:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-13 22:06:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-13 22:06:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-13 22:06:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-13 22:06:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-13 22:06:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-13 22:06:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-13 22:06:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 22:06:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-13 22:06:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-13 22:06:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-13 22:06:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 22:06:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 22:06:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 22:06:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:06:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:06:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-13 22:06:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-13 22:06:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 22:06:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:06:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-13 22:06:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:06:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:06:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-13 22:06:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-13 22:06:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:06:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-13 22:06:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-13 22:06:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-13 22:06:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-13 22:06:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-13 22:06:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-13 22:06:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-13 22:06:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-13 22:06:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-13 22:06:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-13 22:06:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-13 22:06:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-13 22:06:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-13 22:06:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-13 22:06:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-13 22:06:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-13 22:06:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-13 22:06:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-13 22:06:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-13 22:06:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-13 22:06:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-13 22:06:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-13 22:06:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:06:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:06:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:06:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:06:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:06:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 22:06:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:06:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:06:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:06:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:06:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:06:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:06:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:06:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:06:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:06:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-13 22:06:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:06:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:06:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:06:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:06:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:06:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:06:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:06:29,676 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:06:29,677 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:06:29,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:06:29 BoogieIcfgContainer [2019-10-13 22:06:29,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:06:29,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:06:29,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:06:29,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:06:29,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:06:22" (1/3) ... [2019-10-13 22:06:29,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9c68e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:06:29, skipping insertion in model container [2019-10-13 22:06:29,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:06:24" (2/3) ... [2019-10-13 22:06:29,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9c68e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:06:29, skipping insertion in model container [2019-10-13 22:06:29,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:06:29" (3/3) ... [2019-10-13 22:06:29,690 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-13 22:06:29,700 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:06:29,713 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:06:29,725 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:06:29,769 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:06:29,769 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:06:29,769 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:06:29,770 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:06:29,770 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:06:29,770 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:06:29,770 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:06:29,770 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:06:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states. [2019-10-13 22:06:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-13 22:06:29,840 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:29,841 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:29,843 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:29,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:29,849 INFO L82 PathProgramCache]: Analyzing trace with hash 616432345, now seen corresponding path program 1 times [2019-10-13 22:06:29,859 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:29,859 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124883100] [2019-10-13 22:06:29,859 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:29,860 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:29,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:30,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124883100] [2019-10-13 22:06:30,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:30,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:30,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920487771] [2019-10-13 22:06:30,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:30,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:30,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:30,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:30,415 INFO L87 Difference]: Start difference. First operand 773 states. Second operand 3 states. [2019-10-13 22:06:30,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:30,705 INFO L93 Difference]: Finished difference Result 2007 states and 2828 transitions. [2019-10-13 22:06:30,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:30,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-13 22:06:30,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:30,740 INFO L225 Difference]: With dead ends: 2007 [2019-10-13 22:06:30,741 INFO L226 Difference]: Without dead ends: 1317 [2019-10-13 22:06:30,754 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:30,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2019-10-13 22:06:30,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1288. [2019-10-13 22:06:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1288 states. [2019-10-13 22:06:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1761 transitions. [2019-10-13 22:06:30,897 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1761 transitions. Word has length 33 [2019-10-13 22:06:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:30,897 INFO L462 AbstractCegarLoop]: Abstraction has 1288 states and 1761 transitions. [2019-10-13 22:06:30,897 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1761 transitions. [2019-10-13 22:06:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-13 22:06:30,901 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:30,901 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:30,902 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:30,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:30,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1235393503, now seen corresponding path program 1 times [2019-10-13 22:06:30,902 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:30,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904502300] [2019-10-13 22:06:30,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:30,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:30,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:31,035 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904502300] [2019-10-13 22:06:31,035 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:31,035 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:31,035 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916766124] [2019-10-13 22:06:31,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:31,037 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:31,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:31,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:31,038 INFO L87 Difference]: Start difference. First operand 1288 states and 1761 transitions. Second operand 3 states. [2019-10-13 22:06:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:31,280 INFO L93 Difference]: Finished difference Result 3179 states and 4351 transitions. [2019-10-13 22:06:31,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:31,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-13 22:06:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:31,297 INFO L225 Difference]: With dead ends: 3179 [2019-10-13 22:06:31,297 INFO L226 Difference]: Without dead ends: 1900 [2019-10-13 22:06:31,303 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:31,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2019-10-13 22:06:31,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1896. [2019-10-13 22:06:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1896 states. [2019-10-13 22:06:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2593 transitions. [2019-10-13 22:06:31,416 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2593 transitions. Word has length 31 [2019-10-13 22:06:31,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:31,417 INFO L462 AbstractCegarLoop]: Abstraction has 1896 states and 2593 transitions. [2019-10-13 22:06:31,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2593 transitions. [2019-10-13 22:06:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 22:06:31,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:31,498 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:31,498 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:31,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:31,499 INFO L82 PathProgramCache]: Analyzing trace with hash -376057016, now seen corresponding path program 1 times [2019-10-13 22:06:31,499 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:31,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653359557] [2019-10-13 22:06:31,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:31,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:31,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:31,697 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653359557] [2019-10-13 22:06:31,698 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:31,698 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:31,698 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206796656] [2019-10-13 22:06:31,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:31,699 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:31,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:31,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:31,699 INFO L87 Difference]: Start difference. First operand 1896 states and 2593 transitions. Second operand 3 states. [2019-10-13 22:06:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:31,869 INFO L93 Difference]: Finished difference Result 4960 states and 6782 transitions. [2019-10-13 22:06:31,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:31,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-13 22:06:31,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:31,890 INFO L225 Difference]: With dead ends: 4960 [2019-10-13 22:06:31,890 INFO L226 Difference]: Without dead ends: 3073 [2019-10-13 22:06:31,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:31,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3073 states. [2019-10-13 22:06:32,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3073 to 3044. [2019-10-13 22:06:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2019-10-13 22:06:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4163 transitions. [2019-10-13 22:06:32,053 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4163 transitions. Word has length 35 [2019-10-13 22:06:32,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:32,054 INFO L462 AbstractCegarLoop]: Abstraction has 3044 states and 4163 transitions. [2019-10-13 22:06:32,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4163 transitions. [2019-10-13 22:06:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 22:06:32,058 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:32,058 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:32,059 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:32,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:32,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1695829988, now seen corresponding path program 1 times [2019-10-13 22:06:32,059 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:32,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283338155] [2019-10-13 22:06:32,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:32,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:32,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:32,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283338155] [2019-10-13 22:06:32,219 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:32,219 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:32,219 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768587897] [2019-10-13 22:06:32,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:32,220 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:32,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:32,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:32,221 INFO L87 Difference]: Start difference. First operand 3044 states and 4163 transitions. Second operand 3 states. [2019-10-13 22:06:32,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:32,401 INFO L93 Difference]: Finished difference Result 3046 states and 4164 transitions. [2019-10-13 22:06:32,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:32,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-13 22:06:32,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:32,420 INFO L225 Difference]: With dead ends: 3046 [2019-10-13 22:06:32,420 INFO L226 Difference]: Without dead ends: 3043 [2019-10-13 22:06:32,423 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:32,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2019-10-13 22:06:32,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 3043. [2019-10-13 22:06:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3043 states. [2019-10-13 22:06:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4161 transitions. [2019-10-13 22:06:32,554 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4161 transitions. Word has length 34 [2019-10-13 22:06:32,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:32,555 INFO L462 AbstractCegarLoop]: Abstraction has 3043 states and 4161 transitions. [2019-10-13 22:06:32,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4161 transitions. [2019-10-13 22:06:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 22:06:32,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:32,557 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:32,557 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:32,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:32,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1030608465, now seen corresponding path program 1 times [2019-10-13 22:06:32,558 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:32,558 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392617400] [2019-10-13 22:06:32,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:32,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:32,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:32,776 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392617400] [2019-10-13 22:06:32,777 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:32,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:32,777 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093585788] [2019-10-13 22:06:32,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:32,778 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:32,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:32,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:32,779 INFO L87 Difference]: Start difference. First operand 3043 states and 4161 transitions. Second operand 3 states. [2019-10-13 22:06:32,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:32,965 INFO L93 Difference]: Finished difference Result 3045 states and 4162 transitions. [2019-10-13 22:06:32,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:32,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-13 22:06:32,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:32,986 INFO L225 Difference]: With dead ends: 3045 [2019-10-13 22:06:32,986 INFO L226 Difference]: Without dead ends: 3042 [2019-10-13 22:06:32,988 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:32,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2019-10-13 22:06:33,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 3042. [2019-10-13 22:06:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3042 states. [2019-10-13 22:06:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4159 transitions. [2019-10-13 22:06:33,128 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4159 transitions. Word has length 35 [2019-10-13 22:06:33,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:33,129 INFO L462 AbstractCegarLoop]: Abstraction has 3042 states and 4159 transitions. [2019-10-13 22:06:33,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4159 transitions. [2019-10-13 22:06:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-13 22:06:33,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:33,131 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:33,131 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:33,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:33,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1883582599, now seen corresponding path program 1 times [2019-10-13 22:06:33,132 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:33,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582726622] [2019-10-13 22:06:33,132 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:33,133 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:33,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:33,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582726622] [2019-10-13 22:06:33,233 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:33,233 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:33,233 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541925812] [2019-10-13 22:06:33,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:33,234 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:33,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:33,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:33,235 INFO L87 Difference]: Start difference. First operand 3042 states and 4159 transitions. Second operand 3 states. [2019-10-13 22:06:33,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:33,414 INFO L93 Difference]: Finished difference Result 3044 states and 4160 transitions. [2019-10-13 22:06:33,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:33,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-13 22:06:33,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:33,433 INFO L225 Difference]: With dead ends: 3044 [2019-10-13 22:06:33,433 INFO L226 Difference]: Without dead ends: 3041 [2019-10-13 22:06:33,435 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:33,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2019-10-13 22:06:33,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 3041. [2019-10-13 22:06:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3041 states. [2019-10-13 22:06:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4157 transitions. [2019-10-13 22:06:33,568 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4157 transitions. Word has length 36 [2019-10-13 22:06:33,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:33,569 INFO L462 AbstractCegarLoop]: Abstraction has 3041 states and 4157 transitions. [2019-10-13 22:06:33,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4157 transitions. [2019-10-13 22:06:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-13 22:06:33,571 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:33,571 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:33,571 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:33,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:33,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1738985452, now seen corresponding path program 1 times [2019-10-13 22:06:33,572 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:33,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471625256] [2019-10-13 22:06:33,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:33,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:33,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:33,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471625256] [2019-10-13 22:06:33,803 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:33,803 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:33,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232835265] [2019-10-13 22:06:33,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:33,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:33,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:33,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:33,805 INFO L87 Difference]: Start difference. First operand 3041 states and 4157 transitions. Second operand 3 states. [2019-10-13 22:06:34,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:34,064 INFO L93 Difference]: Finished difference Result 6562 states and 9027 transitions. [2019-10-13 22:06:34,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:34,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-13 22:06:34,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:34,086 INFO L225 Difference]: With dead ends: 6562 [2019-10-13 22:06:34,086 INFO L226 Difference]: Without dead ends: 3518 [2019-10-13 22:06:34,099 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:34,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2019-10-13 22:06:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3491. [2019-10-13 22:06:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3491 states. [2019-10-13 22:06:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4732 transitions. [2019-10-13 22:06:34,270 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4732 transitions. Word has length 37 [2019-10-13 22:06:34,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:34,270 INFO L462 AbstractCegarLoop]: Abstraction has 3491 states and 4732 transitions. [2019-10-13 22:06:34,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:34,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4732 transitions. [2019-10-13 22:06:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 22:06:34,278 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:34,279 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:34,279 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:34,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:34,279 INFO L82 PathProgramCache]: Analyzing trace with hash -560787085, now seen corresponding path program 1 times [2019-10-13 22:06:34,279 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:34,280 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720610835] [2019-10-13 22:06:34,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:34,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:34,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 22:06:34,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720610835] [2019-10-13 22:06:34,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:34,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:34,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723159150] [2019-10-13 22:06:34,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:34,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:34,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:34,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:34,401 INFO L87 Difference]: Start difference. First operand 3491 states and 4732 transitions. Second operand 3 states. [2019-10-13 22:06:34,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:34,667 INFO L93 Difference]: Finished difference Result 4003 states and 5356 transitions. [2019-10-13 22:06:34,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:34,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-13 22:06:34,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:34,690 INFO L225 Difference]: With dead ends: 4003 [2019-10-13 22:06:34,690 INFO L226 Difference]: Without dead ends: 3489 [2019-10-13 22:06:34,694 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:34,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2019-10-13 22:06:34,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3477. [2019-10-13 22:06:34,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2019-10-13 22:06:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4687 transitions. [2019-10-13 22:06:34,957 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4687 transitions. Word has length 68 [2019-10-13 22:06:34,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:34,959 INFO L462 AbstractCegarLoop]: Abstraction has 3477 states and 4687 transitions. [2019-10-13 22:06:34,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:34,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4687 transitions. [2019-10-13 22:06:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-13 22:06:34,971 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:34,971 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:34,972 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:34,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:34,972 INFO L82 PathProgramCache]: Analyzing trace with hash 911448743, now seen corresponding path program 1 times [2019-10-13 22:06:34,972 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:34,973 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176502954] [2019-10-13 22:06:34,973 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:34,973 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:34,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 22:06:35,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176502954] [2019-10-13 22:06:35,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:35,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:35,148 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271729177] [2019-10-13 22:06:35,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:35,149 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:35,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:35,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:35,150 INFO L87 Difference]: Start difference. First operand 3477 states and 4687 transitions. Second operand 3 states. [2019-10-13 22:06:35,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:35,400 INFO L93 Difference]: Finished difference Result 9758 states and 13114 transitions. [2019-10-13 22:06:35,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:35,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-10-13 22:06:35,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:35,442 INFO L225 Difference]: With dead ends: 9758 [2019-10-13 22:06:35,443 INFO L226 Difference]: Without dead ends: 6290 [2019-10-13 22:06:35,459 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:35,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6290 states. [2019-10-13 22:06:35,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6290 to 6262. [2019-10-13 22:06:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6262 states. [2019-10-13 22:06:35,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 8404 transitions. [2019-10-13 22:06:35,735 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 8404 transitions. Word has length 120 [2019-10-13 22:06:35,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:35,735 INFO L462 AbstractCegarLoop]: Abstraction has 6262 states and 8404 transitions. [2019-10-13 22:06:35,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 8404 transitions. [2019-10-13 22:06:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-13 22:06:35,751 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:35,752 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:35,752 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:35,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:35,752 INFO L82 PathProgramCache]: Analyzing trace with hash 548039221, now seen corresponding path program 1 times [2019-10-13 22:06:35,753 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:35,753 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897000712] [2019-10-13 22:06:35,753 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:35,753 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:35,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 22:06:35,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897000712] [2019-10-13 22:06:35,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:35,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:35,968 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768124353] [2019-10-13 22:06:35,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:35,969 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:35,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:35,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:35,970 INFO L87 Difference]: Start difference. First operand 6262 states and 8404 transitions. Second operand 3 states. [2019-10-13 22:06:36,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:36,427 INFO L93 Difference]: Finished difference Result 16220 states and 21753 transitions. [2019-10-13 22:06:36,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:36,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-10-13 22:06:36,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:36,490 INFO L225 Difference]: With dead ends: 16220 [2019-10-13 22:06:36,491 INFO L226 Difference]: Without dead ends: 9967 [2019-10-13 22:06:36,523 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:36,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2019-10-13 22:06:36,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9939. [2019-10-13 22:06:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9939 states. [2019-10-13 22:06:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9939 states to 9939 states and 13322 transitions. [2019-10-13 22:06:36,987 INFO L78 Accepts]: Start accepts. Automaton has 9939 states and 13322 transitions. Word has length 121 [2019-10-13 22:06:36,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:36,988 INFO L462 AbstractCegarLoop]: Abstraction has 9939 states and 13322 transitions. [2019-10-13 22:06:36,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 9939 states and 13322 transitions. [2019-10-13 22:06:37,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-13 22:06:37,133 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:37,134 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:37,134 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:37,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:37,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1385068002, now seen corresponding path program 1 times [2019-10-13 22:06:37,134 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:37,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395961727] [2019-10-13 22:06:37,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:37,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:37,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 22:06:37,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395961727] [2019-10-13 22:06:37,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:37,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-13 22:06:37,848 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238684255] [2019-10-13 22:06:37,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-13 22:06:37,849 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:37,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-13 22:06:37,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-13 22:06:37,853 INFO L87 Difference]: Start difference. First operand 9939 states and 13322 transitions. Second operand 16 states. [2019-10-13 22:06:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:38,535 INFO L93 Difference]: Finished difference Result 20369 states and 27581 transitions. [2019-10-13 22:06:38,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 22:06:38,536 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 140 [2019-10-13 22:06:38,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:38,595 INFO L225 Difference]: With dead ends: 20369 [2019-10-13 22:06:38,595 INFO L226 Difference]: Without dead ends: 10563 [2019-10-13 22:06:38,633 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2019-10-13 22:06:38,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10563 states. [2019-10-13 22:06:39,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10563 to 10259. [2019-10-13 22:06:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10259 states. [2019-10-13 22:06:39,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10259 states to 10259 states and 13738 transitions. [2019-10-13 22:06:39,875 INFO L78 Accepts]: Start accepts. Automaton has 10259 states and 13738 transitions. Word has length 140 [2019-10-13 22:06:39,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:39,876 INFO L462 AbstractCegarLoop]: Abstraction has 10259 states and 13738 transitions. [2019-10-13 22:06:39,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-13 22:06:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 10259 states and 13738 transitions. [2019-10-13 22:06:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-13 22:06:39,909 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:39,910 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:39,910 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:39,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:39,910 INFO L82 PathProgramCache]: Analyzing trace with hash 268359456, now seen corresponding path program 1 times [2019-10-13 22:06:39,911 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:39,911 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143315216] [2019-10-13 22:06:39,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:39,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:39,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 22:06:40,452 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143315216] [2019-10-13 22:06:40,452 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289379631] [2019-10-13 22:06:40,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:06:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:41,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 76 conjunts are in the unsatisfiable core [2019-10-13 22:06:41,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:06:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 22:06:41,461 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:06:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 22:06:43,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [941199401] [2019-10-13 22:06:43,217 INFO L162 IcfgInterpreter]: Started Sifa with 112 locations of interest [2019-10-13 22:06:43,217 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:06:43,224 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:06:43,232 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:06:43,233 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs