java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:48:50,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:48:50,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:48:50,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:48:50,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:48:50,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:48:50,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:48:50,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:48:50,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:48:50,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:48:50,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:48:50,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:48:50,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:48:50,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:48:50,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:48:50,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:48:50,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:48:50,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:48:50,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:48:50,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:48:50,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:48:50,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:48:50,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:48:50,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:48:50,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:48:50,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:48:50,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:48:50,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:48:50,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:48:50,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:48:50,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:48:50,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:48:50,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:48:50,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:48:50,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:48:50,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:48:50,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:48:50,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:48:50,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:48:50,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:48:50,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:48:50,781 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 22:48:50,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:48:50,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:48:50,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:48:50,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:48:50,805 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:48:50,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:48:50,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:48:50,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:48:50,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:48:50,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:48:50,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:48:50,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:48:50,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:48:50,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:48:50,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:48:50,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:48:50,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:48:50,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:48:50,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:48:50,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:48:50,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:48:50,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:48:50,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:48:50,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:48:50,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:48:50,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:48:50,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:48:50,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:48:50,811 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 22:48:51,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:48:51,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:48:51,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:48:51,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:48:51,221 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:48:51,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-13 22:48:51,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e7ea448/4f2accbf17fe4b458f60f7f5bc0cb925/FLAGf43e70abf [2019-10-13 22:48:52,077 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:48:52,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-13 22:48:52,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e7ea448/4f2accbf17fe4b458f60f7f5bc0cb925/FLAGf43e70abf [2019-10-13 22:48:52,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e7ea448/4f2accbf17fe4b458f60f7f5bc0cb925 [2019-10-13 22:48:52,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:48:52,621 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:48:52,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:48:52,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:48:52,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:48:52,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:48:52" (1/1) ... [2019-10-13 22:48:52,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14260c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:52, skipping insertion in model container [2019-10-13 22:48:52,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:48:52" (1/1) ... [2019-10-13 22:48:52,639 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:48:52,760 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:48:54,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:48:54,116 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:48:54,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:48:54,785 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:48:54,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54 WrapperNode [2019-10-13 22:48:54,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:48:54,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:48:54,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:48:54,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:48:54,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (1/1) ... [2019-10-13 22:48:54,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (1/1) ... [2019-10-13 22:48:54,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (1/1) ... [2019-10-13 22:48:54,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (1/1) ... [2019-10-13 22:48:55,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (1/1) ... [2019-10-13 22:48:55,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (1/1) ... [2019-10-13 22:48:55,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (1/1) ... [2019-10-13 22:48:55,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:48:55,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:48:55,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:48:55,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:48:55,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (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 22:48:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:48:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:48:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:48:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:48:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:48:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:48:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:48:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:48:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:48:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:48:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:48:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:48:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:48:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:48:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:48:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-13 22:48:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-13 22:48:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-13 22:48:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-13 22:48:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-13 22:48:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-13 22:48:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-13 22:48:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-13 22:48:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-13 22:48:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-13 22:48:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-13 22:48:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 22:48:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:48:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-13 22:48:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 22:48:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-13 22:48:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 22:48:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 22:48:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:48:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-13 22:48:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-13 22:48:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-13 22:48:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-13 22:48:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-13 22:48:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-13 22:48:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-13 22:48:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-13 22:48:55,255 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-13 22:48:55,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-13 22:48:55,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-13 22:48:55,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-13 22:48:55,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-13 22:48:55,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-13 22:48:55,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-13 22:48:55,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-13 22:48:55,256 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-13 22:48:55,256 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-13 22:48:55,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-13 22:48:55,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-13 22:48:55,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-13 22:48:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-13 22:48:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-13 22:48:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-13 22:48:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-13 22:48:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-13 22:48:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-13 22:48:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-13 22:48:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-13 22:48:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-13 22:48:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-13 22:48:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-13 22:48:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-13 22:48:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_class_interface_1 [2019-10-13 22:48:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:48:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-13 22:48:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-10-13 22:48:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2019-10-13 22:48:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_22 [2019-10-13 22:48:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-13 22:48:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-13 22:48:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-13 22:48:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-13 22:48:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-13 22:48:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-13 22:48:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 22:48:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-13 22:48:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-13 22:48:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-13 22:48:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2019-10-13 22:48:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:48:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 22:48:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:48:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:48:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:48:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:48:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:48:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:48:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:48:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:48:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:48:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:48:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:48:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 22:48:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 22:48:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 22:48:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 22:48:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:48:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:48:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:48:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:48:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:48:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:48:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:48:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 22:48:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 22:48:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 22:48:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 22:48:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:48:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 22:48:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 22:48:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-13 22:48:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-13 22:48:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-13 22:48:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-13 22:48:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-13 22:48:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-13 22:48:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:48:55,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-13 22:48:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-13 22:48:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-13 22:48:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-13 22:48:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:48:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:48:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:48:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-13 22:48:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-13 22:48:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:48:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-13 22:48:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-13 22:48:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 22:48:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 22:48:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:48:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:48:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:48:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:48:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:48:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:48:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:48:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-13 22:48:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:48:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-13 22:48:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 22:48:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:48:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:48:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:48:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:48:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:48:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:48:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:48:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:48:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:48:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:48:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:48:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:48:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:48:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:48:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:48:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:48:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:48:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:48:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-13 22:48:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-13 22:48:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:48:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:48:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:48:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:48:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:48:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:48:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:48:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:48:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-13 22:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-13 22:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-13 22:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-13 22:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-13 22:48:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-13 22:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-13 22:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-13 22:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-13 22:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-13 22:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:48:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-13 22:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 22:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-13 22:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_22 [2019-10-13 22:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-10-13 22:48:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-13 22:48:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-13 22:48:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-13 22:48:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 22:48:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-13 22:48:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2019-10-13 22:48:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-13 22:48:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2019-10-13 22:48:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-13 22:48:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-13 22:48:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-13 22:48:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-13 22:48:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-13 22:48:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-13 22:48:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-13 22:48:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-13 22:48:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-13 22:48:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-13 22:48:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 22:48:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-13 22:48:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-13 22:48:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-13 22:48:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:48:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-13 22:48:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-13 22:48:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-13 22:48:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-13 22:48:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_class_interface_1 [2019-10-13 22:48:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 22:48:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 22:48:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 22:48:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:48:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-13 22:48:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-13 22:48:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 22:48:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:48:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 22:48:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-13 22:48:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-13 22:48:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-13 22:48:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-13 22:48:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-13 22:48:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-13 22:48:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-13 22:48:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:48:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-13 22:48:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-13 22:48:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:48:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-13 22:48:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-13 22:48:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-13 22:48:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-13 22:48:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-13 22:48:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-13 22:48:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-13 22:48:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-13 22:48:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-13 22:48:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-13 22:48:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-13 22:48:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-13 22:48:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-13 22:48:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-13 22:48:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-13 22:48:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-13 22:48:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-13 22:48:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-13 22:48:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-13 22:48:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-13 22:48:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-13 22:48:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-13 22:48:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:48:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:48:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:48:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:48:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 22:48:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:48:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:48:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:48:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:48:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:48:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:48:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:48:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:48:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:48:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 22:48:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 22:48:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 22:48:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 22:48:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:48:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:48:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:48:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:48:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 22:48:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 22:48:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 22:48:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 22:48:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:48:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:48:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:48:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:48:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:48:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:48:56,359 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:49:01,563 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:49:01,564 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:49:01,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:49:01 BoogieIcfgContainer [2019-10-13 22:49:01,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:49:01,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:49:01,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:49:01,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:49:01,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:48:52" (1/3) ... [2019-10-13 22:49:01,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542f2186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:49:01, skipping insertion in model container [2019-10-13 22:49:01,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:54" (2/3) ... [2019-10-13 22:49:01,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542f2186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:49:01, skipping insertion in model container [2019-10-13 22:49:01,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:49:01" (3/3) ... [2019-10-13 22:49:01,575 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-13 22:49:01,589 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:49:01,600 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:49:01,615 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:49:01,650 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:49:01,650 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:49:01,650 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:49:01,650 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:49:01,651 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:49:01,651 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:49:01,651 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:49:01,651 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:49:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states. [2019-10-13 22:49:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-13 22:49:01,712 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:01,714 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:01,716 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:01,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:01,723 INFO L82 PathProgramCache]: Analyzing trace with hash -418511389, now seen corresponding path program 1 times [2019-10-13 22:49:01,733 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:01,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592475283] [2019-10-13 22:49:01,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:01,735 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:01,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-13 22:49:02,844 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592475283] [2019-10-13 22:49:02,846 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:02,846 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:02,847 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411224377] [2019-10-13 22:49:02,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:02,856 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:02,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:02,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:02,873 INFO L87 Difference]: Start difference. First operand 975 states. Second operand 3 states. [2019-10-13 22:49:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:03,152 INFO L93 Difference]: Finished difference Result 2324 states and 3237 transitions. [2019-10-13 22:49:03,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:03,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2019-10-13 22:49:03,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:03,199 INFO L225 Difference]: With dead ends: 2324 [2019-10-13 22:49:03,200 INFO L226 Difference]: Without dead ends: 1515 [2019-10-13 22:49:03,211 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 22:49:03,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2019-10-13 22:49:03,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1496. [2019-10-13 22:49:03,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2019-10-13 22:49:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2023 transitions. [2019-10-13 22:49:03,415 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2023 transitions. Word has length 236 [2019-10-13 22:49:03,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:03,416 INFO L462 AbstractCegarLoop]: Abstraction has 1496 states and 2023 transitions. [2019-10-13 22:49:03,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2023 transitions. [2019-10-13 22:49:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-13 22:49:03,423 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:03,423 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:03,424 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:03,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:03,424 INFO L82 PathProgramCache]: Analyzing trace with hash 676543671, now seen corresponding path program 1 times [2019-10-13 22:49:03,424 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:03,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451753537] [2019-10-13 22:49:03,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:03,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:03,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-13 22:49:03,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451753537] [2019-10-13 22:49:03,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:03,725 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:03,725 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64959552] [2019-10-13 22:49:03,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:03,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:03,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:03,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:03,728 INFO L87 Difference]: Start difference. First operand 1496 states and 2023 transitions. Second operand 3 states. [2019-10-13 22:49:04,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:04,012 INFO L93 Difference]: Finished difference Result 4250 states and 5741 transitions. [2019-10-13 22:49:04,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:04,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-13 22:49:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:04,042 INFO L225 Difference]: With dead ends: 4250 [2019-10-13 22:49:04,043 INFO L226 Difference]: Without dead ends: 2810 [2019-10-13 22:49:04,051 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 22:49:04,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2019-10-13 22:49:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2790. [2019-10-13 22:49:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2019-10-13 22:49:04,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3775 transitions. [2019-10-13 22:49:04,219 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3775 transitions. Word has length 238 [2019-10-13 22:49:04,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:04,220 INFO L462 AbstractCegarLoop]: Abstraction has 2790 states and 3775 transitions. [2019-10-13 22:49:04,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:04,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3775 transitions. [2019-10-13 22:49:04,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-13 22:49:04,228 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:04,229 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:04,229 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:04,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:04,229 INFO L82 PathProgramCache]: Analyzing trace with hash -170978756, now seen corresponding path program 1 times [2019-10-13 22:49:04,230 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:04,230 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387618510] [2019-10-13 22:49:04,230 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:04,230 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:04,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-13 22:49:04,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387618510] [2019-10-13 22:49:04,577 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:04,577 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:04,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132219090] [2019-10-13 22:49:04,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:04,579 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:04,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:04,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:04,580 INFO L87 Difference]: Start difference. First operand 2790 states and 3775 transitions. Second operand 3 states. [2019-10-13 22:49:04,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:04,973 INFO L93 Difference]: Finished difference Result 8128 states and 11009 transitions. [2019-10-13 22:49:04,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:04,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-13 22:49:04,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:05,230 INFO L225 Difference]: With dead ends: 8128 [2019-10-13 22:49:05,231 INFO L226 Difference]: Without dead ends: 5394 [2019-10-13 22:49:05,244 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 22:49:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5394 states. [2019-10-13 22:49:05,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5394 to 5390. [2019-10-13 22:49:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5390 states. [2019-10-13 22:49:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 5390 states and 7299 transitions. [2019-10-13 22:49:05,509 INFO L78 Accepts]: Start accepts. Automaton has 5390 states and 7299 transitions. Word has length 238 [2019-10-13 22:49:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:05,510 INFO L462 AbstractCegarLoop]: Abstraction has 5390 states and 7299 transitions. [2019-10-13 22:49:05,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5390 states and 7299 transitions. [2019-10-13 22:49:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-13 22:49:05,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:05,516 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:05,516 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:05,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:05,517 INFO L82 PathProgramCache]: Analyzing trace with hash -192058516, now seen corresponding path program 1 times [2019-10-13 22:49:05,517 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:05,517 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265627258] [2019-10-13 22:49:05,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:05,518 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:05,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-13 22:49:05,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265627258] [2019-10-13 22:49:05,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:05,857 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:05,859 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698282397] [2019-10-13 22:49:05,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:05,861 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:05,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:05,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:05,862 INFO L87 Difference]: Start difference. First operand 5390 states and 7299 transitions. Second operand 3 states. [2019-10-13 22:49:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:06,041 INFO L93 Difference]: Finished difference Result 5392 states and 7300 transitions. [2019-10-13 22:49:06,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:06,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-10-13 22:49:06,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:06,087 INFO L225 Difference]: With dead ends: 5392 [2019-10-13 22:49:06,087 INFO L226 Difference]: Without dead ends: 5389 [2019-10-13 22:49:06,093 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 22:49:06,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5389 states. [2019-10-13 22:49:06,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5389 to 5389. [2019-10-13 22:49:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5389 states. [2019-10-13 22:49:06,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 5389 states and 7297 transitions. [2019-10-13 22:49:06,535 INFO L78 Accepts]: Start accepts. Automaton has 5389 states and 7297 transitions. Word has length 241 [2019-10-13 22:49:06,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:06,536 INFO L462 AbstractCegarLoop]: Abstraction has 5389 states and 7297 transitions. [2019-10-13 22:49:06,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:06,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5389 states and 7297 transitions. [2019-10-13 22:49:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-13 22:49:06,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:06,541 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:06,541 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:06,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:06,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1659358162, now seen corresponding path program 1 times [2019-10-13 22:49:06,542 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:06,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969512907] [2019-10-13 22:49:06,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:06,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:06,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-13 22:49:06,882 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969512907] [2019-10-13 22:49:06,883 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:06,883 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:06,884 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022058462] [2019-10-13 22:49:06,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:06,886 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:06,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:06,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:06,887 INFO L87 Difference]: Start difference. First operand 5389 states and 7297 transitions. Second operand 3 states. [2019-10-13 22:49:07,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:07,045 INFO L93 Difference]: Finished difference Result 5391 states and 7298 transitions. [2019-10-13 22:49:07,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:07,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-10-13 22:49:07,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:07,080 INFO L225 Difference]: With dead ends: 5391 [2019-10-13 22:49:07,080 INFO L226 Difference]: Without dead ends: 5388 [2019-10-13 22:49:07,086 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 22:49:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2019-10-13 22:49:07,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 5388. [2019-10-13 22:49:07,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5388 states. [2019-10-13 22:49:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 7295 transitions. [2019-10-13 22:49:07,446 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 7295 transitions. Word has length 242 [2019-10-13 22:49:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:07,448 INFO L462 AbstractCegarLoop]: Abstraction has 5388 states and 7295 transitions. [2019-10-13 22:49:07,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 7295 transitions. [2019-10-13 22:49:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-13 22:49:07,454 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:07,454 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:07,454 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:07,455 INFO L82 PathProgramCache]: Analyzing trace with hash 98997935, now seen corresponding path program 1 times [2019-10-13 22:49:07,456 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:07,456 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784827025] [2019-10-13 22:49:07,456 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:07,457 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:07,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:07,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-13 22:49:07,774 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784827025] [2019-10-13 22:49:07,774 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:07,774 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:07,775 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183115944] [2019-10-13 22:49:07,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:07,776 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:07,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:07,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:07,780 INFO L87 Difference]: Start difference. First operand 5388 states and 7295 transitions. Second operand 3 states. [2019-10-13 22:49:08,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:08,039 INFO L93 Difference]: Finished difference Result 11684 states and 15911 transitions. [2019-10-13 22:49:08,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:08,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-13 22:49:08,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:08,091 INFO L225 Difference]: With dead ends: 11684 [2019-10-13 22:49:08,091 INFO L226 Difference]: Without dead ends: 6341 [2019-10-13 22:49:08,113 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:08,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6341 states. [2019-10-13 22:49:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6341 to 6291. [2019-10-13 22:49:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6291 states. [2019-10-13 22:49:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6291 states to 6291 states and 8456 transitions. [2019-10-13 22:49:08,569 INFO L78 Accepts]: Start accepts. Automaton has 6291 states and 8456 transitions. Word has length 243 [2019-10-13 22:49:08,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:08,570 INFO L462 AbstractCegarLoop]: Abstraction has 6291 states and 8456 transitions. [2019-10-13 22:49:08,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:08,570 INFO L276 IsEmpty]: Start isEmpty. Operand 6291 states and 8456 transitions. [2019-10-13 22:49:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-10-13 22:49:08,578 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:08,578 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:08,578 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:08,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:08,579 INFO L82 PathProgramCache]: Analyzing trace with hash 553226920, now seen corresponding path program 1 times [2019-10-13 22:49:08,579 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:08,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093446621] [2019-10-13 22:49:08,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:08,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:08,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-10-13 22:49:09,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093446621] [2019-10-13 22:49:09,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:09,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:09,064 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018552008] [2019-10-13 22:49:09,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:09,065 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:09,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:09,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:09,065 INFO L87 Difference]: Start difference. First operand 6291 states and 8456 transitions. Second operand 3 states. [2019-10-13 22:49:09,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:09,540 INFO L93 Difference]: Finished difference Result 18574 states and 24899 transitions. [2019-10-13 22:49:09,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:09,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2019-10-13 22:49:09,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:09,611 INFO L225 Difference]: With dead ends: 18574 [2019-10-13 22:49:09,612 INFO L226 Difference]: Without dead ends: 12339 [2019-10-13 22:49:09,639 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 22:49:09,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12339 states. [2019-10-13 22:49:10,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12339 to 12325. [2019-10-13 22:49:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12325 states. [2019-10-13 22:49:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12325 states to 12325 states and 16502 transitions. [2019-10-13 22:49:10,298 INFO L78 Accepts]: Start accepts. Automaton has 12325 states and 16502 transitions. Word has length 323 [2019-10-13 22:49:10,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:10,299 INFO L462 AbstractCegarLoop]: Abstraction has 12325 states and 16502 transitions. [2019-10-13 22:49:10,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 12325 states and 16502 transitions. [2019-10-13 22:49:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-13 22:49:10,306 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:10,307 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:10,307 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:10,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:10,308 INFO L82 PathProgramCache]: Analyzing trace with hash 429742173, now seen corresponding path program 1 times [2019-10-13 22:49:10,308 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:10,308 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840933755] [2019-10-13 22:49:10,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:10,309 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:10,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-10-13 22:49:10,720 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840933755] [2019-10-13 22:49:10,720 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:10,721 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:10,721 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595841464] [2019-10-13 22:49:10,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:10,722 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:10,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:10,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:10,722 INFO L87 Difference]: Start difference. First operand 12325 states and 16502 transitions. Second operand 3 states. [2019-10-13 22:49:11,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:11,578 INFO L93 Difference]: Finished difference Result 34257 states and 45766 transitions. [2019-10-13 22:49:11,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:11,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2019-10-13 22:49:11,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:11,698 INFO L225 Difference]: With dead ends: 34257 [2019-10-13 22:49:11,698 INFO L226 Difference]: Without dead ends: 21988 [2019-10-13 22:49:11,750 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 22:49:11,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21988 states. [2019-10-13 22:49:12,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21988 to 21975. [2019-10-13 22:49:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21975 states. [2019-10-13 22:49:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21975 states to 21975 states and 29316 transitions. [2019-10-13 22:49:13,893 INFO L78 Accepts]: Start accepts. Automaton has 21975 states and 29316 transitions. Word has length 325 [2019-10-13 22:49:13,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:13,893 INFO L462 AbstractCegarLoop]: Abstraction has 21975 states and 29316 transitions. [2019-10-13 22:49:13,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 21975 states and 29316 transitions. [2019-10-13 22:49:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-10-13 22:49:13,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:13,907 INFO L380 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:49:13,907 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:13,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:13,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1657026636, now seen corresponding path program 1 times [2019-10-13 22:49:13,908 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:13,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976831834] [2019-10-13 22:49:13,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:13,909 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:13,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2019-10-13 22:49:14,356 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976831834] [2019-10-13 22:49:14,356 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:49:14,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:49:14,357 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542824830] [2019-10-13 22:49:14,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:49:14,358 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:49:14,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:49:14,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:49:14,358 INFO L87 Difference]: Start difference. First operand 21975 states and 29316 transitions. Second operand 3 states. [2019-10-13 22:49:15,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:49:15,114 INFO L93 Difference]: Finished difference Result 25143 states and 33164 transitions. [2019-10-13 22:49:15,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:49:15,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 379 [2019-10-13 22:49:15,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:49:15,219 INFO L225 Difference]: With dead ends: 25143 [2019-10-13 22:49:15,220 INFO L226 Difference]: Without dead ends: 21227 [2019-10-13 22:49:15,245 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 22:49:15,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21227 states. [2019-10-13 22:49:16,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21227 to 21075. [2019-10-13 22:49:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21075 states. [2019-10-13 22:49:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21075 states to 21075 states and 27980 transitions. [2019-10-13 22:49:16,333 INFO L78 Accepts]: Start accepts. Automaton has 21075 states and 27980 transitions. Word has length 379 [2019-10-13 22:49:16,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:49:16,334 INFO L462 AbstractCegarLoop]: Abstraction has 21075 states and 27980 transitions. [2019-10-13 22:49:16,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:49:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 21075 states and 27980 transitions. [2019-10-13 22:49:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-10-13 22:49:16,414 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:49:16,415 INFO L380 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:16,415 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:49:16,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:49:16,415 INFO L82 PathProgramCache]: Analyzing trace with hash 330343070, now seen corresponding path program 1 times [2019-10-13 22:49:16,416 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:49:16,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549457541] [2019-10-13 22:49:16,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:16,416 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:49:16,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:49:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:49:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1714 trivial. 0 not checked. [2019-10-13 22:49:19,012 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549457541] [2019-10-13 22:49:19,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013510552] [2019-10-13 22:49:19,013 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