/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:42:04,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:42:04,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:42:04,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:42:04,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:42:04,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:42:04,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:42:04,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:42:04,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:42:04,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:42:04,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:42:04,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:42:04,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:42:04,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:42:04,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:42:04,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:42:04,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:42:04,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:42:04,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:42:04,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:42:04,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:42:04,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:42:04,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:42:04,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:42:04,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:42:04,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:42:04,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:42:04,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:42:04,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:42:04,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:42:04,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:42:04,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:42:04,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:42:04,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:42:04,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:42:04,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:42:04,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:42:04,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:42:04,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:42:04,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:42:04,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:42:04,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 03:42:04,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:42:04,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:42:04,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:42:04,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:42:04,931 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:42:04,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:42:04,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:42:04,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:42:04,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:42:04,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:42:04,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:42:04,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:42:04,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:42:04,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:42:04,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:42:04,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:42:04,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:42:04,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:42:04,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:42:04,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:42:04,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:42:04,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:42:04,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:42:04,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:42:04,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:42:04,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:42:04,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:42:04,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:42:04,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 03:42:05,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:42:05,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:42:05,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:42:05,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:42:05,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:42:05,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-11-07 03:42:05,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85ebd636/8d88625e6417464bbab258cc6cf5bc34/FLAG306525644 [2019-11-07 03:42:06,150 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:42:06,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-11-07 03:42:06,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85ebd636/8d88625e6417464bbab258cc6cf5bc34/FLAG306525644 [2019-11-07 03:42:06,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85ebd636/8d88625e6417464bbab258cc6cf5bc34 [2019-11-07 03:42:06,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:42:06,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:42:06,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:42:06,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:42:06,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:42:06,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:42:06" (1/1) ... [2019-11-07 03:42:06,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a9d544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:06, skipping insertion in model container [2019-11-07 03:42:06,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:42:06" (1/1) ... [2019-11-07 03:42:06,263 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:42:06,372 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:42:07,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:42:08,047 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:42:08,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:42:08,566 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:42:08,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08 WrapperNode [2019-11-07 03:42:08,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:42:08,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:42:08,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:42:08,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:42:08,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (1/1) ... [2019-11-07 03:42:08,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (1/1) ... [2019-11-07 03:42:08,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (1/1) ... [2019-11-07 03:42:08,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (1/1) ... [2019-11-07 03:42:08,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (1/1) ... [2019-11-07 03:42:08,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (1/1) ... [2019-11-07 03:42:08,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (1/1) ... [2019-11-07 03:42:08,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:42:08,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:42:08,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:42:08,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:42:08,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:42:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:42:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:42:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:42:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:42:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 03:42:09,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 03:42:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 03:42:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 03:42:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 03:42:09,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 03:42:09,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 03:42:09,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 03:42:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 03:42:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 03:42:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 03:42:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-11-07 03:42:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-11-07 03:42:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-11-07 03:42:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_7 [2019-11-07 03:42:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_6 [2019-11-07 03:42:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-11-07 03:42:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-11-07 03:42:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-11-07 03:42:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-11-07 03:42:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-11-07 03:42:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-11-07 03:42:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-07 03:42:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 03:42:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-11-07 03:42:09,044 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-11-07 03:42:09,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-11-07 03:42:09,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-07 03:42:09,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-07 03:42:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 03:42:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-11-07 03:42:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-11-07 03:42:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-11-07 03:42:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-11-07 03:42:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-11-07 03:42:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-11-07 03:42:09,049 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-11-07 03:42:09,050 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-11-07 03:42:09,050 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-11-07 03:42:09,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-11-07 03:42:09,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-11-07 03:42:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-11-07 03:42:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-11-07 03:42:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-11-07 03:42:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-11-07 03:42:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-11-07 03:42:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-11-07 03:42:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-11-07 03:42:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-11-07 03:42:09,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-11-07 03:42:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-11-07 03:42:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-11-07 03:42:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-11-07 03:42:09,054 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-11-07 03:42:09,055 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-11-07 03:42:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-11-07 03:42:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-11-07 03:42:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-11-07 03:42:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-11-07 03:42:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_4 [2019-11-07 03:42:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-11-07 03:42:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_5 [2019-11-07 03:42:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-11-07 03:42:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_class_interface_1 [2019-11-07 03:42:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:42:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-11-07 03:42:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-11-07 03:42:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2019-11-07 03:42:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_22 [2019-11-07 03:42:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-11-07 03:42:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-11-07 03:42:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-11-07 03:42:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-11-07 03:42:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-11-07 03:42:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-11-07 03:42:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-11-07 03:42:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-11-07 03:42:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-11-07 03:42:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-11-07 03:42:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2019-11-07 03:42:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 03:42:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-11-07 03:42:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 03:42:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 03:42:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 03:42:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 03:42:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 03:42:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 03:42:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 03:42:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 03:42:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 03:42:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 03:42:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 03:42:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-11-07 03:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-11-07 03:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 03:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-11-07 03:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 03:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 03:42:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 03:42:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 03:42:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 03:42:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 03:42:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 03:42:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 03:42:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 03:42:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 03:42:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 03:42:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 03:42:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-07 03:42:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-07 03:42:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-11-07 03:42:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-11-07 03:42:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-11-07 03:42:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-11-07 03:42:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-11-07 03:42:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-11-07 03:42:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 03:42:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-11-07 03:42:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-11-07 03:42:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-11-07 03:42:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-11-07 03:42:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 03:42:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 03:42:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 03:42:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-11-07 03:42:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-11-07 03:42:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 03:42:09,090 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-11-07 03:42:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-11-07 03:42:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-11-07 03:42:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-11-07 03:42:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 03:42:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 03:42:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 03:42:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 03:42:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:42:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 03:42:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 03:42:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-11-07 03:42:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 03:42:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-11-07 03:42:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-07 03:42:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:42:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:42:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:42:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 03:42:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 03:42:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 03:42:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 03:42:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:42:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 03:42:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 03:42:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 03:42:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 03:42:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 03:42:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 03:42:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 03:42:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 03:42:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 03:42:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 03:42:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-11-07 03:42:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-11-07 03:42:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 03:42:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 03:42:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 03:42:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 03:42:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 03:42:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 03:42:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 03:42:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 03:42:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_7 [2019-11-07 03:42:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_6 [2019-11-07 03:42:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-11-07 03:42:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-11-07 03:42:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:42:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:42:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-11-07 03:42:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:42:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-11-07 03:42:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-11-07 03:42:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-11-07 03:42:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-11-07 03:42:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-11-07 03:42:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:42:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:42:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-11-07 03:42:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 03:42:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 03:42:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-07 03:42:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-07 03:42:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-11-07 03:42:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_22 [2019-11-07 03:42:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-11-07 03:42:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-11-07 03:42:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-11-07 03:42:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-11-07 03:42:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-11-07 03:42:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-11-07 03:42:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2019-11-07 03:42:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-11-07 03:42:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2019-11-07 03:42:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-11-07 03:42:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-11-07 03:42:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-11-07 03:42:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-11-07 03:42:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-11-07 03:42:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-11-07 03:42:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-11-07 03:42:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-11-07 03:42:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-11-07 03:42:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-11-07 03:42:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-11-07 03:42:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-11-07 03:42:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-11-07 03:42:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-11-07 03:42:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 03:42:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_4 [2019-11-07 03:42:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-11-07 03:42:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_5 [2019-11-07 03:42:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-11-07 03:42:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_class_interface_1 [2019-11-07 03:42:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-11-07 03:42:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-11-07 03:42:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-07 03:42:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:42:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-11-07 03:42:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-11-07 03:42:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-07 03:42:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 03:42:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-07 03:42:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-11-07 03:42:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-11-07 03:42:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-11-07 03:42:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-11-07 03:42:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-11-07 03:42:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-11-07 03:42:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-11-07 03:42:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:42:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-11-07 03:42:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-11-07 03:42:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:42:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-11-07 03:42:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-11-07 03:42:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-11-07 03:42:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-11-07 03:42:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-11-07 03:42:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-11-07 03:42:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-11-07 03:42:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-11-07 03:42:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-11-07 03:42:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-11-07 03:42:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-11-07 03:42:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-11-07 03:42:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-11-07 03:42:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-11-07 03:42:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-11-07 03:42:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-11-07 03:42:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-11-07 03:42:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-11-07 03:42:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-11-07 03:42:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-11-07 03:42:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-11-07 03:42:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-11-07 03:42:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 03:42:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 03:42:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:42:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 03:42:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-11-07 03:42:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 03:42:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 03:42:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 03:42:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 03:42:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 03:42:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 03:42:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 03:42:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 03:42:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 03:42:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-11-07 03:42:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-11-07 03:42:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 03:42:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-11-07 03:42:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 03:42:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 03:42:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 03:42:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 03:42:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 03:42:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 03:42:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 03:42:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 03:42:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-11-07 03:42:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 03:42:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:42:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:42:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:42:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 03:42:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:42:10,179 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 03:42:15,305 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:42:15,305 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 03:42:15,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:42:15 BoogieIcfgContainer [2019-11-07 03:42:15,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:42:15,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:42:15,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:42:15,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:42:15,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:42:06" (1/3) ... [2019-11-07 03:42:15,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3086910f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:42:15, skipping insertion in model container [2019-11-07 03:42:15,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:42:08" (2/3) ... [2019-11-07 03:42:15,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3086910f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:42:15, skipping insertion in model container [2019-11-07 03:42:15,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:42:15" (3/3) ... [2019-11-07 03:42:15,315 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-11-07 03:42:15,325 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:42:15,338 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:42:15,351 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:42:15,385 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:42:15,385 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:42:15,386 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:42:15,386 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:42:15,386 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:42:15,386 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:42:15,386 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:42:15,386 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:42:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states. [2019-11-07 03:42:15,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-07 03:42:15,444 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:15,445 INFO L410 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:15,448 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:15,454 INFO L82 PathProgramCache]: Analyzing trace with hash -418511389, now seen corresponding path program 1 times [2019-11-07 03:42:15,464 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:15,465 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418014983] [2019-11-07 03:42:15,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-11-07 03:42:16,565 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418014983] [2019-11-07 03:42:16,566 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:16,566 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:16,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98053248] [2019-11-07 03:42:16,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:16,573 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:16,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:16,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:16,591 INFO L87 Difference]: Start difference. First operand 975 states. Second operand 3 states. [2019-11-07 03:42:16,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:16,876 INFO L93 Difference]: Finished difference Result 2324 states and 3237 transitions. [2019-11-07 03:42:16,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:16,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2019-11-07 03:42:16,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:16,919 INFO L225 Difference]: With dead ends: 2324 [2019-11-07 03:42:16,920 INFO L226 Difference]: Without dead ends: 1515 [2019-11-07 03:42:16,931 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:16,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2019-11-07 03:42:17,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1496. [2019-11-07 03:42:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2019-11-07 03:42:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2023 transitions. [2019-11-07 03:42:17,136 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2023 transitions. Word has length 236 [2019-11-07 03:42:17,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:17,139 INFO L462 AbstractCegarLoop]: Abstraction has 1496 states and 2023 transitions. [2019-11-07 03:42:17,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2023 transitions. [2019-11-07 03:42:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-07 03:42:17,151 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:17,151 INFO L410 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:17,151 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:17,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:17,152 INFO L82 PathProgramCache]: Analyzing trace with hash 676543671, now seen corresponding path program 1 times [2019-11-07 03:42:17,152 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:17,152 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512406945] [2019-11-07 03:42:17,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-11-07 03:42:17,416 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512406945] [2019-11-07 03:42:17,416 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:17,416 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:17,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100939186] [2019-11-07 03:42:17,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:17,419 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:17,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:17,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:17,419 INFO L87 Difference]: Start difference. First operand 1496 states and 2023 transitions. Second operand 3 states. [2019-11-07 03:42:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:17,688 INFO L93 Difference]: Finished difference Result 4250 states and 5741 transitions. [2019-11-07 03:42:17,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:17,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-11-07 03:42:17,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:17,718 INFO L225 Difference]: With dead ends: 4250 [2019-11-07 03:42:17,718 INFO L226 Difference]: Without dead ends: 2810 [2019-11-07 03:42:17,729 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:17,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2019-11-07 03:42:17,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2790. [2019-11-07 03:42:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2019-11-07 03:42:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3775 transitions. [2019-11-07 03:42:17,949 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3775 transitions. Word has length 238 [2019-11-07 03:42:17,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:17,950 INFO L462 AbstractCegarLoop]: Abstraction has 2790 states and 3775 transitions. [2019-11-07 03:42:17,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3775 transitions. [2019-11-07 03:42:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-07 03:42:17,957 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:17,958 INFO L410 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:17,958 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:17,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:17,958 INFO L82 PathProgramCache]: Analyzing trace with hash -170978756, now seen corresponding path program 1 times [2019-11-07 03:42:17,959 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:17,959 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735644990] [2019-11-07 03:42:17,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-11-07 03:42:18,374 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735644990] [2019-11-07 03:42:18,375 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:18,375 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:18,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422248156] [2019-11-07 03:42:18,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:18,376 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:18,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:18,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:18,377 INFO L87 Difference]: Start difference. First operand 2790 states and 3775 transitions. Second operand 3 states. [2019-11-07 03:42:18,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:18,844 INFO L93 Difference]: Finished difference Result 8128 states and 11009 transitions. [2019-11-07 03:42:18,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:18,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-11-07 03:42:18,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:18,881 INFO L225 Difference]: With dead ends: 8128 [2019-11-07 03:42:18,881 INFO L226 Difference]: Without dead ends: 5394 [2019-11-07 03:42:18,891 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:18,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5394 states. [2019-11-07 03:42:19,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5394 to 5390. [2019-11-07 03:42:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5390 states. [2019-11-07 03:42:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 5390 states and 7299 transitions. [2019-11-07 03:42:19,148 INFO L78 Accepts]: Start accepts. Automaton has 5390 states and 7299 transitions. Word has length 238 [2019-11-07 03:42:19,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:19,150 INFO L462 AbstractCegarLoop]: Abstraction has 5390 states and 7299 transitions. [2019-11-07 03:42:19,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 5390 states and 7299 transitions. [2019-11-07 03:42:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-07 03:42:19,154 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:19,154 INFO L410 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:19,155 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:19,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:19,155 INFO L82 PathProgramCache]: Analyzing trace with hash -192058516, now seen corresponding path program 1 times [2019-11-07 03:42:19,155 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:19,156 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299863938] [2019-11-07 03:42:19,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-11-07 03:42:19,470 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299863938] [2019-11-07 03:42:19,470 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:19,471 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:19,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592684264] [2019-11-07 03:42:19,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:19,474 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:19,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:19,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:19,475 INFO L87 Difference]: Start difference. First operand 5390 states and 7299 transitions. Second operand 3 states. [2019-11-07 03:42:19,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:19,630 INFO L93 Difference]: Finished difference Result 5392 states and 7300 transitions. [2019-11-07 03:42:19,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:19,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-11-07 03:42:19,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:19,677 INFO L225 Difference]: With dead ends: 5392 [2019-11-07 03:42:19,678 INFO L226 Difference]: Without dead ends: 5389 [2019-11-07 03:42:19,683 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:19,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5389 states. [2019-11-07 03:42:20,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5389 to 5389. [2019-11-07 03:42:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5389 states. [2019-11-07 03:42:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 5389 states and 7297 transitions. [2019-11-07 03:42:20,028 INFO L78 Accepts]: Start accepts. Automaton has 5389 states and 7297 transitions. Word has length 241 [2019-11-07 03:42:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:20,028 INFO L462 AbstractCegarLoop]: Abstraction has 5389 states and 7297 transitions. [2019-11-07 03:42:20,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 5389 states and 7297 transitions. [2019-11-07 03:42:20,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-07 03:42:20,033 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:20,034 INFO L410 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:20,034 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:20,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:20,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1659358162, now seen corresponding path program 1 times [2019-11-07 03:42:20,035 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:20,035 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50121149] [2019-11-07 03:42:20,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-11-07 03:42:20,338 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50121149] [2019-11-07 03:42:20,339 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:20,339 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:20,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020752481] [2019-11-07 03:42:20,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:20,341 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:20,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:20,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:20,341 INFO L87 Difference]: Start difference. First operand 5389 states and 7297 transitions. Second operand 3 states. [2019-11-07 03:42:20,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:20,487 INFO L93 Difference]: Finished difference Result 5391 states and 7298 transitions. [2019-11-07 03:42:20,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:20,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-11-07 03:42:20,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:20,528 INFO L225 Difference]: With dead ends: 5391 [2019-11-07 03:42:20,528 INFO L226 Difference]: Without dead ends: 5388 [2019-11-07 03:42:20,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:20,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2019-11-07 03:42:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 5388. [2019-11-07 03:42:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5388 states. [2019-11-07 03:42:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 7295 transitions. [2019-11-07 03:42:20,909 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 7295 transitions. Word has length 242 [2019-11-07 03:42:20,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:20,910 INFO L462 AbstractCegarLoop]: Abstraction has 5388 states and 7295 transitions. [2019-11-07 03:42:20,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 7295 transitions. [2019-11-07 03:42:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-07 03:42:20,915 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:20,915 INFO L410 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:20,916 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:20,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:20,916 INFO L82 PathProgramCache]: Analyzing trace with hash 98997935, now seen corresponding path program 1 times [2019-11-07 03:42:20,917 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:20,917 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370382598] [2019-11-07 03:42:20,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-11-07 03:42:21,203 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370382598] [2019-11-07 03:42:21,203 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:21,203 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:21,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397535590] [2019-11-07 03:42:21,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:21,204 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:21,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:21,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:21,209 INFO L87 Difference]: Start difference. First operand 5388 states and 7295 transitions. Second operand 3 states. [2019-11-07 03:42:21,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:21,461 INFO L93 Difference]: Finished difference Result 11684 states and 15911 transitions. [2019-11-07 03:42:21,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:21,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-11-07 03:42:21,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:21,500 INFO L225 Difference]: With dead ends: 11684 [2019-11-07 03:42:21,501 INFO L226 Difference]: Without dead ends: 6341 [2019-11-07 03:42:21,522 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:21,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6341 states. [2019-11-07 03:42:21,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6341 to 6291. [2019-11-07 03:42:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6291 states. [2019-11-07 03:42:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6291 states to 6291 states and 8456 transitions. [2019-11-07 03:42:21,930 INFO L78 Accepts]: Start accepts. Automaton has 6291 states and 8456 transitions. Word has length 243 [2019-11-07 03:42:21,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:21,931 INFO L462 AbstractCegarLoop]: Abstraction has 6291 states and 8456 transitions. [2019-11-07 03:42:21,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 6291 states and 8456 transitions. [2019-11-07 03:42:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-11-07 03:42:21,939 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:21,939 INFO L410 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:21,940 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:21,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:21,940 INFO L82 PathProgramCache]: Analyzing trace with hash 553226920, now seen corresponding path program 1 times [2019-11-07 03:42:21,940 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:21,941 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165717000] [2019-11-07 03:42:21,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-11-07 03:42:22,314 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165717000] [2019-11-07 03:42:22,314 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:22,314 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:22,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140778728] [2019-11-07 03:42:22,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:22,315 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:22,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:22,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:22,316 INFO L87 Difference]: Start difference. First operand 6291 states and 8456 transitions. Second operand 3 states. [2019-11-07 03:42:22,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:22,791 INFO L93 Difference]: Finished difference Result 18574 states and 24899 transitions. [2019-11-07 03:42:22,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:22,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2019-11-07 03:42:22,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:22,852 INFO L225 Difference]: With dead ends: 18574 [2019-11-07 03:42:22,852 INFO L226 Difference]: Without dead ends: 12339 [2019-11-07 03:42:22,878 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:22,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12339 states. [2019-11-07 03:42:23,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12339 to 12325. [2019-11-07 03:42:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12325 states. [2019-11-07 03:42:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12325 states to 12325 states and 16502 transitions. [2019-11-07 03:42:23,516 INFO L78 Accepts]: Start accepts. Automaton has 12325 states and 16502 transitions. Word has length 323 [2019-11-07 03:42:23,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:23,517 INFO L462 AbstractCegarLoop]: Abstraction has 12325 states and 16502 transitions. [2019-11-07 03:42:23,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 12325 states and 16502 transitions. [2019-11-07 03:42:23,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-11-07 03:42:23,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:23,526 INFO L410 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:23,527 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:23,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:23,527 INFO L82 PathProgramCache]: Analyzing trace with hash 429742173, now seen corresponding path program 1 times [2019-11-07 03:42:23,528 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:23,528 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888655412] [2019-11-07 03:42:23,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-11-07 03:42:23,920 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888655412] [2019-11-07 03:42:23,920 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:23,920 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:23,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343476008] [2019-11-07 03:42:23,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:23,921 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:23,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:23,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:23,922 INFO L87 Difference]: Start difference. First operand 12325 states and 16502 transitions. Second operand 3 states. [2019-11-07 03:42:24,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:24,722 INFO L93 Difference]: Finished difference Result 34257 states and 45766 transitions. [2019-11-07 03:42:24,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:24,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2019-11-07 03:42:24,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:24,820 INFO L225 Difference]: With dead ends: 34257 [2019-11-07 03:42:24,821 INFO L226 Difference]: Without dead ends: 21988 [2019-11-07 03:42:24,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:24,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21988 states. [2019-11-07 03:42:26,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21988 to 21975. [2019-11-07 03:42:26,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21975 states. [2019-11-07 03:42:26,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21975 states to 21975 states and 29316 transitions. [2019-11-07 03:42:26,874 INFO L78 Accepts]: Start accepts. Automaton has 21975 states and 29316 transitions. Word has length 325 [2019-11-07 03:42:26,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:26,875 INFO L462 AbstractCegarLoop]: Abstraction has 21975 states and 29316 transitions. [2019-11-07 03:42:26,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 21975 states and 29316 transitions. [2019-11-07 03:42:26,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-11-07 03:42:26,888 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:26,888 INFO L410 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:26,889 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:26,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:26,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1657026636, now seen corresponding path program 1 times [2019-11-07 03:42:26,889 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:26,890 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286321734] [2019-11-07 03:42:26,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2019-11-07 03:42:27,329 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286321734] [2019-11-07 03:42:27,329 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:27,330 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:42:27,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817184424] [2019-11-07 03:42:27,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:42:27,331 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:27,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:42:27,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:42:27,331 INFO L87 Difference]: Start difference. First operand 21975 states and 29316 transitions. Second operand 3 states. [2019-11-07 03:42:27,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:27,896 INFO L93 Difference]: Finished difference Result 25143 states and 33164 transitions. [2019-11-07 03:42:27,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:42:27,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 379 [2019-11-07 03:42:27,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:27,984 INFO L225 Difference]: With dead ends: 25143 [2019-11-07 03:42:27,984 INFO L226 Difference]: Without dead ends: 21227 [2019-11-07 03:42:28,007 INFO L630 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 [2019-11-07 03:42:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21227 states. [2019-11-07 03:42:28,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21227 to 21075. [2019-11-07 03:42:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21075 states. [2019-11-07 03:42:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21075 states to 21075 states and 27980 transitions. [2019-11-07 03:42:28,926 INFO L78 Accepts]: Start accepts. Automaton has 21075 states and 27980 transitions. Word has length 379 [2019-11-07 03:42:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:28,927 INFO L462 AbstractCegarLoop]: Abstraction has 21075 states and 27980 transitions. [2019-11-07 03:42:28,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:42:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 21075 states and 27980 transitions. [2019-11-07 03:42:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-11-07 03:42:28,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:28,985 INFO L410 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:28,986 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:28,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:28,986 INFO L82 PathProgramCache]: Analyzing trace with hash -360452816, now seen corresponding path program 1 times [2019-11-07 03:42:28,986 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:28,986 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804222286] [2019-11-07 03:42:28,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:42:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:42:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2019-11-07 03:42:29,925 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804222286] [2019-11-07 03:42:29,925 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:42:29,925 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 03:42:29,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640157769] [2019-11-07 03:42:29,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 03:42:29,926 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:42:29,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 03:42:29,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 03:42:29,927 INFO L87 Difference]: Start difference. First operand 21075 states and 27980 transitions. Second operand 7 states. [2019-11-07 03:42:30,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:42:30,946 INFO L93 Difference]: Finished difference Result 44110 states and 59416 transitions. [2019-11-07 03:42:30,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 03:42:30,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 452 [2019-11-07 03:42:30,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:42:31,049 INFO L225 Difference]: With dead ends: 44110 [2019-11-07 03:42:31,049 INFO L226 Difference]: Without dead ends: 23091 [2019-11-07 03:42:31,102 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-07 03:42:31,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23091 states. [2019-11-07 03:42:32,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23091 to 22451. [2019-11-07 03:42:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22451 states. [2019-11-07 03:42:33,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22451 states to 22451 states and 29940 transitions. [2019-11-07 03:42:33,034 INFO L78 Accepts]: Start accepts. Automaton has 22451 states and 29940 transitions. Word has length 452 [2019-11-07 03:42:33,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:42:33,035 INFO L462 AbstractCegarLoop]: Abstraction has 22451 states and 29940 transitions. [2019-11-07 03:42:33,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 03:42:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand 22451 states and 29940 transitions. [2019-11-07 03:42:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-11-07 03:42:33,089 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:42:33,089 INFO L410 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:42:33,090 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:42:33,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:42:33,090 INFO L82 PathProgramCache]: Analyzing trace with hash 330343070, now seen corresponding path program 1 times [2019-11-07 03:42:33,090 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:42:33,091 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386893345] [2019-11-07 03:42:33,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY