java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 06:10:13,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 06:10:13,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 06:10:13,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 06:10:13,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 06:10:13,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 06:10:13,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 06:10:13,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 06:10:13,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 06:10:13,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 06:10:13,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 06:10:13,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 06:10:13,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 06:10:13,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 06:10:13,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 06:10:13,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 06:10:13,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 06:10:13,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 06:10:13,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 06:10:13,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 06:10:13,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 06:10:13,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 06:10:13,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 06:10:13,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 06:10:13,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 06:10:13,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 06:10:13,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 06:10:13,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 06:10:13,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 06:10:13,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 06:10:13,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 06:10:13,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 06:10:13,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 06:10:13,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 06:10:13,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 06:10:13,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 06:10:13,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 06:10:13,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 06:10:13,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 06:10:13,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 06:10:13,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 06:10:13,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 06:10:13,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 06:10:13,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 06:10:13,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 06:10:13,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 06:10:13,826 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 06:10:13,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 06:10:13,826 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 06:10:13,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 06:10:13,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 06:10:13,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 06:10:13,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 06:10:13,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 06:10:13,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 06:10:13,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 06:10:13,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 06:10:13,828 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 06:10:13,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 06:10:13,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 06:10:13,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 06:10:13,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 06:10:13,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 06:10:13,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:10:13,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 06:10:13,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 06:10:13,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 06:10:13,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 06:10:13,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 06:10:13,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 06:10:13,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 06:10:14,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 06:10:14,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 06:10:14,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 06:10:14,157 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 06:10:14,157 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 06:10:14,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-07 06:10:14,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebac3ad35/9c0624782ae44d75a4889d2056bcd415/FLAG1bc104a42 [2019-10-07 06:10:15,029 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 06:10:15,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-07 06:10:15,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebac3ad35/9c0624782ae44d75a4889d2056bcd415/FLAG1bc104a42 [2019-10-07 06:10:15,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebac3ad35/9c0624782ae44d75a4889d2056bcd415 [2019-10-07 06:10:15,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 06:10:15,116 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 06:10:15,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 06:10:15,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 06:10:15,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 06:10:15,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:10:15" (1/1) ... [2019-10-07 06:10:15,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4262f24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:15, skipping insertion in model container [2019-10-07 06:10:15,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:10:15" (1/1) ... [2019-10-07 06:10:15,132 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 06:10:15,238 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 06:10:16,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:10:16,816 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 06:10:17,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:10:17,291 INFO L192 MainTranslator]: Completed translation [2019-10-07 06:10:17,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17 WrapperNode [2019-10-07 06:10:17,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 06:10:17,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 06:10:17,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 06:10:17,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 06:10:17,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (1/1) ... [2019-10-07 06:10:17,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (1/1) ... [2019-10-07 06:10:17,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (1/1) ... [2019-10-07 06:10:17,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (1/1) ... [2019-10-07 06:10:17,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (1/1) ... [2019-10-07 06:10:17,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (1/1) ... [2019-10-07 06:10:17,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (1/1) ... [2019-10-07 06:10:17,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 06:10:17,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 06:10:17,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 06:10:17,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 06:10:17,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:10:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 06:10:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 06:10:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 06:10:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 06:10:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 06:10:17,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 06:10:17,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 06:10:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 06:10:17,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 06:10:17,744 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-07 06:10:17,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-07 06:10:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-07 06:10:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-07 06:10:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-07 06:10:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-07 06:10:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-07 06:10:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-07 06:10:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-07 06:10:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-07 06:10:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-07 06:10:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-07 06:10:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-07 06:10:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 06:10:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-07 06:10:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 06:10:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 06:10:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-07 06:10:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-07 06:10:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-07 06:10:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-07 06:10:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-07 06:10:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-07 06:10:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-07 06:10:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-07 06:10:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-07 06:10:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-07 06:10:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-07 06:10:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-07 06:10:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-07 06:10:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-07 06:10:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-07 06:10:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-07 06:10:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-07 06:10:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-07 06:10:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-07 06:10:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-07 06:10:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-07 06:10:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-07 06:10:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-07 06:10:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-07 06:10:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-07 06:10:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-07 06:10:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-07 06:10:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-07 06:10:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-07 06:10:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 06:10:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-07 06:10:17,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-07 06:10:17,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-07 06:10:17,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-07 06:10:17,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-07 06:10:17,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-07 06:10:17,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-07 06:10:17,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-07 06:10:17,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-07 06:10:17,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-10-07 06:10:17,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-07 06:10:17,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-07 06:10:17,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-07 06:10:17,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-07 06:10:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-07 06:10:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-07 06:10:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-07 06:10:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 06:10:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 06:10:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 06:10:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 06:10:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 06:10:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 06:10:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 06:10:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 06:10:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 06:10:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 06:10:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 06:10:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 06:10:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 06:10:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 06:10:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 06:10:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 06:10:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 06:10:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 06:10:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 06:10:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 06:10:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-07 06:10:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-07 06:10:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-07 06:10:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-07 06:10:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 06:10:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-07 06:10:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-07 06:10:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-07 06:10:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2019-10-07 06:10:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2019-10-07 06:10:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2019-10-07 06:10:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2019-10-07 06:10:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 06:10:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 06:10:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 06:10:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-07 06:10:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-07 06:10:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 06:10:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-07 06:10:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-07 06:10:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-07 06:10:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-07 06:10:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 06:10:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 06:10:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 06:10:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 06:10:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-07 06:10:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 06:10:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-07 06:10:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-07 06:10:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-07 06:10:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 06:10:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-07 06:10:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-07 06:10:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-07 06:10:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 06:10:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 06:10:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 06:10:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 06:10:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 06:10:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 06:10:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 06:10:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 06:10:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 06:10:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 06:10:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 06:10:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 06:10:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 06:10:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 06:10:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-07 06:10:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-07 06:10:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 06:10:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 06:10:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-07 06:10:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 06:10:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2019-10-07 06:10:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2019-10-07 06:10:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2019-10-07 06:10:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2019-10-07 06:10:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-07 06:10:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-07 06:10:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 06:10:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 06:10:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 06:10:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 06:10:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-07 06:10:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-07 06:10:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-07 06:10:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-07 06:10:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-07 06:10:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-07 06:10:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-07 06:10:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-07 06:10:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-07 06:10:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-07 06:10:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-07 06:10:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-07 06:10:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-07 06:10:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-07 06:10:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-10-07 06:10:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-07 06:10:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-07 06:10:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-07 06:10:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-07 06:10:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-07 06:10:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-07 06:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-07 06:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-07 06:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 06:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-07 06:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-07 06:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-07 06:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-07 06:10:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-07 06:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 06:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 06:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 06:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-07 06:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-07 06:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 06:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 06:10:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-07 06:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-07 06:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-07 06:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-07 06:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-07 06:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-07 06:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 06:10:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-07 06:10:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-07 06:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-07 06:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-07 06:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-07 06:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-07 06:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-07 06:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-07 06:10:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-07 06:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-07 06:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-07 06:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-07 06:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-07 06:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-07 06:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-07 06:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-07 06:10:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-07 06:10:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-07 06:10:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-07 06:10:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-07 06:10:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-07 06:10:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 06:10:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 06:10:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 06:10:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 06:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 06:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-07 06:10:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 06:10:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 06:10:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 06:10:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 06:10:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 06:10:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 06:10:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 06:10:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 06:10:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 06:10:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-07 06:10:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 06:10:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 06:10:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 06:10:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 06:10:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 06:10:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 06:10:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 06:10:23,525 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 06:10:23,525 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 06:10:23,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:10:23 BoogieIcfgContainer [2019-10-07 06:10:23,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 06:10:23,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 06:10:23,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 06:10:23,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 06:10:23,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 06:10:15" (1/3) ... [2019-10-07 06:10:23,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e92b343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:10:23, skipping insertion in model container [2019-10-07 06:10:23,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:10:17" (2/3) ... [2019-10-07 06:10:23,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e92b343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:10:23, skipping insertion in model container [2019-10-07 06:10:23,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:10:23" (3/3) ... [2019-10-07 06:10:23,535 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-07 06:10:23,545 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 06:10:23,555 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 06:10:23,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 06:10:23,601 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 06:10:23,601 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 06:10:23,601 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 06:10:23,601 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 06:10:23,601 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 06:10:23,601 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 06:10:23,601 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 06:10:23,602 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 06:10:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states. [2019-10-07 06:10:23,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-07 06:10:23,650 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:23,651 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:23,654 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:23,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:23,660 INFO L82 PathProgramCache]: Analyzing trace with hash 616432345, now seen corresponding path program 1 times [2019-10-07 06:10:23,670 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:23,670 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:23,671 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:23,671 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:23,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:10:24,169 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:24,169 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:24,170 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:24,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:24,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:24,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:24,192 INFO L87 Difference]: Start difference. First operand 773 states. Second operand 3 states. [2019-10-07 06:10:24,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:24,472 INFO L93 Difference]: Finished difference Result 2007 states and 2828 transitions. [2019-10-07 06:10:24,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:24,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-07 06:10:24,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:24,515 INFO L225 Difference]: With dead ends: 2007 [2019-10-07 06:10:24,515 INFO L226 Difference]: Without dead ends: 1317 [2019-10-07 06:10:24,529 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2019-10-07 06:10:24,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1288. [2019-10-07 06:10:24,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1288 states. [2019-10-07 06:10:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1761 transitions. [2019-10-07 06:10:24,707 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1761 transitions. Word has length 33 [2019-10-07 06:10:24,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:24,707 INFO L462 AbstractCegarLoop]: Abstraction has 1288 states and 1761 transitions. [2019-10-07 06:10:24,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1761 transitions. [2019-10-07 06:10:24,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-07 06:10:24,712 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:24,712 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:24,712 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:24,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:24,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1235393503, now seen corresponding path program 1 times [2019-10-07 06:10:24,713 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:24,713 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:24,714 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:24,714 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:24,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:10:24,878 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:24,878 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:24,878 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:24,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:24,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:24,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:24,881 INFO L87 Difference]: Start difference. First operand 1288 states and 1761 transitions. Second operand 3 states. [2019-10-07 06:10:25,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:25,233 INFO L93 Difference]: Finished difference Result 3179 states and 4351 transitions. [2019-10-07 06:10:25,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:25,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-07 06:10:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:25,249 INFO L225 Difference]: With dead ends: 3179 [2019-10-07 06:10:25,249 INFO L226 Difference]: Without dead ends: 1900 [2019-10-07 06:10:25,255 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:25,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2019-10-07 06:10:25,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1896. [2019-10-07 06:10:25,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1896 states. [2019-10-07 06:10:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2593 transitions. [2019-10-07 06:10:25,376 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2593 transitions. Word has length 31 [2019-10-07 06:10:25,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:25,377 INFO L462 AbstractCegarLoop]: Abstraction has 1896 states and 2593 transitions. [2019-10-07 06:10:25,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2593 transitions. [2019-10-07 06:10:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-07 06:10:25,385 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:25,385 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:25,386 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:25,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:25,386 INFO L82 PathProgramCache]: Analyzing trace with hash -376057016, now seen corresponding path program 1 times [2019-10-07 06:10:25,386 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:25,387 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:25,387 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:25,387 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:25,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:10:25,592 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:25,592 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:25,593 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:25,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:25,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:25,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:25,594 INFO L87 Difference]: Start difference. First operand 1896 states and 2593 transitions. Second operand 3 states. [2019-10-07 06:10:25,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:25,764 INFO L93 Difference]: Finished difference Result 4960 states and 6782 transitions. [2019-10-07 06:10:25,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:25,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-07 06:10:25,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:25,787 INFO L225 Difference]: With dead ends: 4960 [2019-10-07 06:10:25,787 INFO L226 Difference]: Without dead ends: 3073 [2019-10-07 06:10:25,796 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:25,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3073 states. [2019-10-07 06:10:25,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3073 to 3044. [2019-10-07 06:10:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2019-10-07 06:10:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4163 transitions. [2019-10-07 06:10:25,981 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4163 transitions. Word has length 35 [2019-10-07 06:10:25,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:25,981 INFO L462 AbstractCegarLoop]: Abstraction has 3044 states and 4163 transitions. [2019-10-07 06:10:25,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4163 transitions. [2019-10-07 06:10:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-07 06:10:25,985 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:25,986 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:25,986 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:25,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:25,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1695829988, now seen corresponding path program 1 times [2019-10-07 06:10:25,986 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:25,987 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:25,987 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:25,987 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:10:26,161 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:26,161 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:26,161 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:26,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:26,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:26,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:26,163 INFO L87 Difference]: Start difference. First operand 3044 states and 4163 transitions. Second operand 3 states. [2019-10-07 06:10:26,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:26,354 INFO L93 Difference]: Finished difference Result 3046 states and 4164 transitions. [2019-10-07 06:10:26,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:26,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-07 06:10:26,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:26,386 INFO L225 Difference]: With dead ends: 3046 [2019-10-07 06:10:26,386 INFO L226 Difference]: Without dead ends: 3043 [2019-10-07 06:10:26,389 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:26,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2019-10-07 06:10:26,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 3043. [2019-10-07 06:10:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3043 states. [2019-10-07 06:10:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4161 transitions. [2019-10-07 06:10:26,636 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4161 transitions. Word has length 34 [2019-10-07 06:10:26,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:26,636 INFO L462 AbstractCegarLoop]: Abstraction has 3043 states and 4161 transitions. [2019-10-07 06:10:26,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4161 transitions. [2019-10-07 06:10:26,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-07 06:10:26,640 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:26,640 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:26,641 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:26,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:26,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1030608465, now seen corresponding path program 1 times [2019-10-07 06:10:26,641 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:26,641 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:26,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:26,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:26,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:10:26,758 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:26,758 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:26,758 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:26,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:26,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:26,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:26,759 INFO L87 Difference]: Start difference. First operand 3043 states and 4161 transitions. Second operand 3 states. [2019-10-07 06:10:26,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:26,969 INFO L93 Difference]: Finished difference Result 3045 states and 4162 transitions. [2019-10-07 06:10:26,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:26,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-07 06:10:26,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:26,988 INFO L225 Difference]: With dead ends: 3045 [2019-10-07 06:10:26,989 INFO L226 Difference]: Without dead ends: 3042 [2019-10-07 06:10:26,991 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:26,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2019-10-07 06:10:27,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 3042. [2019-10-07 06:10:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3042 states. [2019-10-07 06:10:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4159 transitions. [2019-10-07 06:10:27,128 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4159 transitions. Word has length 35 [2019-10-07 06:10:27,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:27,130 INFO L462 AbstractCegarLoop]: Abstraction has 3042 states and 4159 transitions. [2019-10-07 06:10:27,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4159 transitions. [2019-10-07 06:10:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-07 06:10:27,133 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:27,133 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:27,133 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:27,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:27,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1883582599, now seen corresponding path program 1 times [2019-10-07 06:10:27,134 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:27,134 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:27,134 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:27,134 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:27,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:10:27,245 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:27,245 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:27,245 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:27,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:27,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:27,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:27,246 INFO L87 Difference]: Start difference. First operand 3042 states and 4159 transitions. Second operand 3 states. [2019-10-07 06:10:27,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:27,419 INFO L93 Difference]: Finished difference Result 3044 states and 4160 transitions. [2019-10-07 06:10:27,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:27,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-07 06:10:27,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:27,441 INFO L225 Difference]: With dead ends: 3044 [2019-10-07 06:10:27,445 INFO L226 Difference]: Without dead ends: 3041 [2019-10-07 06:10:27,534 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:27,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2019-10-07 06:10:27,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 3041. [2019-10-07 06:10:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3041 states. [2019-10-07 06:10:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4157 transitions. [2019-10-07 06:10:27,680 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4157 transitions. Word has length 36 [2019-10-07 06:10:27,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:27,681 INFO L462 AbstractCegarLoop]: Abstraction has 3041 states and 4157 transitions. [2019-10-07 06:10:27,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4157 transitions. [2019-10-07 06:10:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-07 06:10:27,683 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:27,683 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:27,683 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:27,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:27,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1738985452, now seen corresponding path program 1 times [2019-10-07 06:10:27,684 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:27,684 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:27,684 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:27,684 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:27,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:10:27,805 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:27,805 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:27,805 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:27,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:27,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:27,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:27,806 INFO L87 Difference]: Start difference. First operand 3041 states and 4157 transitions. Second operand 3 states. [2019-10-07 06:10:28,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:28,118 INFO L93 Difference]: Finished difference Result 6562 states and 9027 transitions. [2019-10-07 06:10:28,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:28,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-07 06:10:28,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:28,141 INFO L225 Difference]: With dead ends: 6562 [2019-10-07 06:10:28,141 INFO L226 Difference]: Without dead ends: 3518 [2019-10-07 06:10:28,154 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2019-10-07 06:10:28,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3491. [2019-10-07 06:10:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3491 states. [2019-10-07 06:10:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4732 transitions. [2019-10-07 06:10:28,321 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4732 transitions. Word has length 37 [2019-10-07 06:10:28,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:28,322 INFO L462 AbstractCegarLoop]: Abstraction has 3491 states and 4732 transitions. [2019-10-07 06:10:28,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4732 transitions. [2019-10-07 06:10:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-07 06:10:28,333 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:28,334 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:28,334 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:28,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:28,335 INFO L82 PathProgramCache]: Analyzing trace with hash -560787085, now seen corresponding path program 1 times [2019-10-07 06:10:28,335 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:28,335 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:28,335 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:28,336 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:28,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-07 06:10:28,529 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:28,530 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:28,530 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:28,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:28,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:28,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:28,532 INFO L87 Difference]: Start difference. First operand 3491 states and 4732 transitions. Second operand 3 states. [2019-10-07 06:10:28,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:28,853 INFO L93 Difference]: Finished difference Result 4003 states and 5356 transitions. [2019-10-07 06:10:28,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:28,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-07 06:10:28,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:28,881 INFO L225 Difference]: With dead ends: 4003 [2019-10-07 06:10:28,881 INFO L226 Difference]: Without dead ends: 3489 [2019-10-07 06:10:28,887 INFO L606 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 [2019-10-07 06:10:28,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2019-10-07 06:10:29,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3477. [2019-10-07 06:10:29,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2019-10-07 06:10:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4687 transitions. [2019-10-07 06:10:29,114 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4687 transitions. Word has length 68 [2019-10-07 06:10:29,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:29,115 INFO L462 AbstractCegarLoop]: Abstraction has 3477 states and 4687 transitions. [2019-10-07 06:10:29,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4687 transitions. [2019-10-07 06:10:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-07 06:10:29,126 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:29,126 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:29,127 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:29,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:29,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1468276741, now seen corresponding path program 1 times [2019-10-07 06:10:29,127 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:29,128 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:29,128 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:29,128 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:29,290 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 06:10:29,291 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:29,291 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:29,291 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:29,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:29,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:29,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:29,293 INFO L87 Difference]: Start difference. First operand 3477 states and 4687 transitions. Second operand 3 states. [2019-10-07 06:10:29,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:29,646 INFO L93 Difference]: Finished difference Result 9758 states and 13114 transitions. [2019-10-07 06:10:29,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:29,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-07 06:10:29,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:29,710 INFO L225 Difference]: With dead ends: 9758 [2019-10-07 06:10:29,710 INFO L226 Difference]: Without dead ends: 6290 [2019-10-07 06:10:29,728 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:29,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6290 states. [2019-10-07 06:10:30,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6290 to 6262. [2019-10-07 06:10:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6262 states. [2019-10-07 06:10:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 8404 transitions. [2019-10-07 06:10:30,170 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 8404 transitions. Word has length 119 [2019-10-07 06:10:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:30,171 INFO L462 AbstractCegarLoop]: Abstraction has 6262 states and 8404 transitions. [2019-10-07 06:10:30,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 8404 transitions. [2019-10-07 06:10:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 06:10:30,192 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:30,193 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:30,193 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:30,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:30,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1007265875, now seen corresponding path program 1 times [2019-10-07 06:10:30,194 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:30,194 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:30,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:30,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:30,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 06:10:30,331 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:30,331 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:30,331 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:10:30,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:10:30,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:10:30,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:30,333 INFO L87 Difference]: Start difference. First operand 6262 states and 8404 transitions. Second operand 3 states. [2019-10-07 06:10:30,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:30,755 INFO L93 Difference]: Finished difference Result 16220 states and 21753 transitions. [2019-10-07 06:10:30,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:10:30,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 06:10:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:30,819 INFO L225 Difference]: With dead ends: 16220 [2019-10-07 06:10:30,819 INFO L226 Difference]: Without dead ends: 9967 [2019-10-07 06:10:30,844 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:10:30,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2019-10-07 06:10:31,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9939. [2019-10-07 06:10:31,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9939 states. [2019-10-07 06:10:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9939 states to 9939 states and 13322 transitions. [2019-10-07 06:10:31,392 INFO L78 Accepts]: Start accepts. Automaton has 9939 states and 13322 transitions. Word has length 122 [2019-10-07 06:10:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:31,392 INFO L462 AbstractCegarLoop]: Abstraction has 9939 states and 13322 transitions. [2019-10-07 06:10:31,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:10:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 9939 states and 13322 transitions. [2019-10-07 06:10:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 06:10:31,425 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:31,425 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:31,426 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:31,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:31,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1385068002, now seen corresponding path program 1 times [2019-10-07 06:10:31,426 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:31,426 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:31,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:31,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:31,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 06:10:32,060 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:32,060 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:10:32,060 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-07 06:10:32,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-07 06:10:32,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-07 06:10:32,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-07 06:10:32,062 INFO L87 Difference]: Start difference. First operand 9939 states and 13322 transitions. Second operand 16 states. [2019-10-07 06:10:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:32,841 INFO L93 Difference]: Finished difference Result 20369 states and 27581 transitions. [2019-10-07 06:10:32,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 06:10:32,841 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 140 [2019-10-07 06:10:32,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:32,894 INFO L225 Difference]: With dead ends: 20369 [2019-10-07 06:10:32,894 INFO L226 Difference]: Without dead ends: 10563 [2019-10-07 06:10:32,933 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2019-10-07 06:10:32,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10563 states. [2019-10-07 06:10:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10563 to 10259. [2019-10-07 06:10:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10259 states. [2019-10-07 06:10:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10259 states to 10259 states and 13738 transitions. [2019-10-07 06:10:33,359 INFO L78 Accepts]: Start accepts. Automaton has 10259 states and 13738 transitions. Word has length 140 [2019-10-07 06:10:33,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:33,361 INFO L462 AbstractCegarLoop]: Abstraction has 10259 states and 13738 transitions. [2019-10-07 06:10:33,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-07 06:10:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 10259 states and 13738 transitions. [2019-10-07 06:10:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 06:10:33,391 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:33,392 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:33,392 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:33,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:33,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1621208806, now seen corresponding path program 1 times [2019-10-07 06:10:33,392 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:33,393 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:33,393 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:33,393 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:33,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 06:10:34,029 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:34,029 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:10:34,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:10:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:35,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 2327 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-07 06:10:35,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:10:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-07 06:10:35,933 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:10:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-07 06:10:36,177 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 06:10:36,177 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [16] total 21 [2019-10-07 06:10:36,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 06:10:36,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 06:10:36,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2019-10-07 06:10:36,178 INFO L87 Difference]: Start difference. First operand 10259 states and 13738 transitions. Second operand 7 states. [2019-10-07 06:10:37,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:10:37,015 INFO L93 Difference]: Finished difference Result 21385 states and 29077 transitions. [2019-10-07 06:10:37,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 06:10:37,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2019-10-07 06:10:37,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:10:37,081 INFO L225 Difference]: With dead ends: 21385 [2019-10-07 06:10:37,081 INFO L226 Difference]: Without dead ends: 11259 [2019-10-07 06:10:37,121 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2019-10-07 06:10:37,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11259 states. [2019-10-07 06:10:37,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11259 to 10959. [2019-10-07 06:10:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10959 states. [2019-10-07 06:10:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10959 states to 10959 states and 14754 transitions. [2019-10-07 06:10:37,833 INFO L78 Accepts]: Start accepts. Automaton has 10959 states and 14754 transitions. Word has length 145 [2019-10-07 06:10:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:10:37,835 INFO L462 AbstractCegarLoop]: Abstraction has 10959 states and 14754 transitions. [2019-10-07 06:10:37,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 06:10:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 10959 states and 14754 transitions. [2019-10-07 06:10:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-07 06:10:37,871 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:10:37,871 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:10:38,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:10:38,080 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:10:38,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:10:38,080 INFO L82 PathProgramCache]: Analyzing trace with hash 268359456, now seen corresponding path program 1 times [2019-10-07 06:10:38,081 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:10:38,081 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:38,081 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:38,081 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:10:38,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:10:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 06:10:38,734 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:10:38,735 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:10:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:10:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:10:40,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 76 conjunts are in the unsatisfiable core [2019-10-07 06:10:40,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:10:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 06:10:40,384 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:10:40,989 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-10-07 06:10:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 06:10:42,250 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 06:10:42,294 INFO L162 IcfgInterpreter]: Started Sifa with 112 locations of interest [2019-10-07 06:10:42,294 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 06:10:42,304 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 06:10:42,314 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 06:10:42,315 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 06:12:32,569 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 912 [2019-10-07 06:12:38,551 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 317 DAG size of output: 259 [2019-10-07 06:12:39,198 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 948 [2019-10-07 06:12:39,689 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 948 [2019-10-07 06:12:39,982 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 948 [2019-10-07 06:12:40,099 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-10-07 06:12:40,759 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:41,515 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:42,189 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:42,993 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:44,380 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1206 DAG size of output: 1204 [2019-10-07 06:12:45,061 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:45,847 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:46,528 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:47,206 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:47,963 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 06:12:47,990 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 526 for LOIs [2019-10-07 06:12:48,397 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 873 [2019-10-07 06:12:48,553 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 873 [2019-10-07 06:12:49,120 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1129 [2019-10-07 06:12:49,122 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1222 for LOIs [2019-10-07 06:12:49,771 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 06:12:50,412 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 06:12:50,533 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:12:51,279 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:12:51,953 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 06:12:52,599 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 06:12:52,721 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:12:53,470 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:12:54,167 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:12:54,838 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:12:55,061 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:12:55,844 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:12:57,147 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1280 DAG size of output: 1230 [2019-10-07 06:12:57,801 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:12:58,015 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:12:58,766 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:12:59,446 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:00,100 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:00,215 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:00,971 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:01,621 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:02,270 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:02,429 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:03,162 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:03,812 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:04,469 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:04,579 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:05,332 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:05,976 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:06,623 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:06,733 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:07,479 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:08,131 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:08,785 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:08,902 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:09,643 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:10,296 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:10,954 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:11,068 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:11,816 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:12,465 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:13,111 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:13,222 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:13,965 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:14,615 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:15,266 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:15,376 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:16,126 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:16,781 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:17,432 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:17,545 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:18,287 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:18,937 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:19,588 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:19,699 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:20,447 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:21,114 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:21,769 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:21,881 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:22,635 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:23,289 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:23,944 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:24,056 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:24,799 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:25,451 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:26,114 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:26,224 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:26,975 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:27,634 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:28,287 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:28,405 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:29,164 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:29,822 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:30,479 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:30,590 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:31,354 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:32,011 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:32,671 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:32,782 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:33,541 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:34,211 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:34,882 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:34,992 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:35,738 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:36,406 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:37,059 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:37,179 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:37,930 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:38,596 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:39,270 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:39,383 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:40,143 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:40,813 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:41,493 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:41,605 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:42,365 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:43,023 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:43,673 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:43,784 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:44,531 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:45,187 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:45,847 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:45,959 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:46,802 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:47,456 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:48,114 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:48,227 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:49,005 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:49,684 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:50,349 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:50,460 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:51,205 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:51,894 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:52,563 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:52,676 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:53,427 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:54,080 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:54,749 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1230 [2019-10-07 06:13:54,861 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:55,627 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:56,368 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 06:13:57,096 WARN L191 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 06:13:57,213 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2019-10-07 06:13:57,976 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 06:13:58,772 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 06:14:00,662 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 06:14:00,969 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 06:14:03,226 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1296 [2019-10-07 06:14:04,007 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 06:14:05,879 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 06:14:06,334 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 06:14:08,262 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1298 DAG size of output: 1298 [2019-10-07 06:14:09,020 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1277 [2019-10-07 06:14:10,921 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 06:14:11,235 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 06:14:13,426 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1300 [2019-10-07 06:14:14,191 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 06:14:16,092 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 06:14:16,418 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 06:14:18,365 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1303 DAG size of output: 1303 [2019-10-07 06:14:18,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:14:18,660 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 06:14:18,675 INFO L168 Benchmark]: Toolchain (without parser) took 243556.96 ms. Allocated memory was 145.2 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 97.7 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 514.0 MB. Max. memory is 7.1 GB. [2019-10-07 06:14:18,681 INFO L168 Benchmark]: CDTParser took 1.38 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 06:14:18,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2174.96 ms. Allocated memory was 145.2 MB in the beginning and 239.1 MB in the end (delta: 93.8 MB). Free memory was 97.5 MB in the beginning and 194.9 MB in the end (delta: -97.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-07 06:14:18,682 INFO L168 Benchmark]: Boogie Preprocessor took 357.99 ms. Allocated memory is still 239.1 MB. Free memory was 194.9 MB in the beginning and 180.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-10-07 06:14:18,683 INFO L168 Benchmark]: RCFGBuilder took 5876.66 ms. Allocated memory was 239.1 MB in the beginning and 308.3 MB in the end (delta: 69.2 MB). Free memory was 180.0 MB in the beginning and 196.4 MB in the end (delta: -16.4 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. [2019-10-07 06:14:18,686 INFO L168 Benchmark]: TraceAbstraction took 235142.51 ms. Allocated memory was 308.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 196.4 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 449.7 MB. Max. memory is 7.1 GB. [2019-10-07 06:14:18,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2174.96 ms. Allocated memory was 145.2 MB in the beginning and 239.1 MB in the end (delta: 93.8 MB). Free memory was 97.5 MB in the beginning and 194.9 MB in the end (delta: -97.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 357.99 ms. Allocated memory is still 239.1 MB. Free memory was 194.9 MB in the beginning and 180.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5876.66 ms. Allocated memory was 239.1 MB in the beginning and 308.3 MB in the end (delta: 69.2 MB). Free memory was 180.0 MB in the beginning and 196.4 MB in the end (delta: -16.4 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 235142.51 ms. Allocated memory was 308.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 196.4 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 449.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...