java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:08:49,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:08:49,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:08:49,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:08:49,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:08:49,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:08:49,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:08:49,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:08:49,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:08:49,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:08:49,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:08:49,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:08:49,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:08:49,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:08:49,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:08:49,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:08:49,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:08:49,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:08:49,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:08:50,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:08:50,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:08:50,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:08:50,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:08:50,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:08:50,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:08:50,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:08:50,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:08:50,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:08:50,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:08:50,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:08:50,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:08:50,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:08:50,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:08:50,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:08:50,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:08:50,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:08:50,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:08:50,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:08:50,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:08:50,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:08:50,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:08:50,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:08:50,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:08:50,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:08:50,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:08:50,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:08:50,053 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:08:50,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:08:50,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:08:50,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:08:50,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:08:50,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:08:50,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:08:50,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:08:50,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:08:50,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:08:50,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:08:50,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:08:50,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:08:50,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:08:50,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:08:50,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:08:50,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:08:50,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:08:50,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:08:50,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:08:50,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:08:50,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:08:50,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:08:50,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:08:50,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:08:50,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:08:50,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:08:50,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:08:50,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:08:50,381 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:08:50,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-15 02:08:50,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f69c5b9f/9b46f1aad8ef477d808718ebc2a1995b/FLAG7ebf6da7c [2019-10-15 02:08:51,222 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:08:51,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-15 02:08:51,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f69c5b9f/9b46f1aad8ef477d808718ebc2a1995b/FLAG7ebf6da7c [2019-10-15 02:08:51,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f69c5b9f/9b46f1aad8ef477d808718ebc2a1995b [2019-10-15 02:08:51,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:08:51,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:08:51,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:08:51,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:08:51,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:08:51,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:08:51" (1/1) ... [2019-10-15 02:08:51,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0b1e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:51, skipping insertion in model container [2019-10-15 02:08:51,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:08:51" (1/1) ... [2019-10-15 02:08:51,345 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:08:51,450 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:08:52,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:08:52,950 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:08:53,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:08:53,391 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:08:53,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53 WrapperNode [2019-10-15 02:08:53,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:08:53,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:08:53,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:08:53,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:08:53,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (1/1) ... [2019-10-15 02:08:53,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (1/1) ... [2019-10-15 02:08:53,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (1/1) ... [2019-10-15 02:08:53,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (1/1) ... [2019-10-15 02:08:53,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (1/1) ... [2019-10-15 02:08:53,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (1/1) ... [2019-10-15 02:08:53,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (1/1) ... [2019-10-15 02:08:53,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:08:53,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:08:53,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:08:53,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:08:53,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:08:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:08:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:08:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:08:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:08:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:08:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:08:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:08:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:08:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:08:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-15 02:08:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-15 02:08:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-15 02:08:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-15 02:08:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-15 02:08:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 02:08:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 02:08:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 02:08:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 02:08:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 02:08:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 02:08:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 02:08:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-15 02:08:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 02:08:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-15 02:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 02:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 02:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-15 02:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-15 02:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-15 02:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-15 02:08:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-15 02:08:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-15 02:08:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-15 02:08:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-15 02:08:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-15 02:08:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-15 02:08:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-15 02:08:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-15 02:08:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-15 02:08:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-15 02:08:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-15 02:08:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-15 02:08:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-15 02:08:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-15 02:08:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-15 02:08:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-15 02:08:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-15 02:08:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-15 02:08:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-15 02:08:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-15 02:08:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-15 02:08:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-15 02:08:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-15 02:08:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-15 02:08:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-15 02:08:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:08:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-15 02:08:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-15 02:08:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-15 02:08:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-15 02:08:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-15 02:08:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-15 02:08:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-15 02:08:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-15 02:08:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-15 02:08:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-10-15 02:08:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-15 02:08:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-15 02:08:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-15 02:08:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-15 02:08:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-15 02:08:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-15 02:08:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-15 02:08:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:08:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:08:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 02:08:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:08:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:08:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 02:08:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 02:08:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:08:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 02:08:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 02:08:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:08:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:08:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:08:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:08:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:08:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:08:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:08:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:08:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:08:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 02:08:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-15 02:08:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-15 02:08:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-15 02:08:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-15 02:08:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:08:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-15 02:08:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-15 02:08:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-15 02:08:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2019-10-15 02:08:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2019-10-15 02:08:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2019-10-15 02:08:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2019-10-15 02:08:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:08:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:08:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:08:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-15 02:08:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-15 02:08:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:08:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-15 02:08:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-15 02:08:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 02:08:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 02:08:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:08:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:08:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:08:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:08:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 02:08:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:08:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 02:08:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 02:08:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 02:08:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:08:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 02:08:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 02:08:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 02:08:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 02:08:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 02:08:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:08:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:08:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:08:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:08:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:08:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:08:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:08:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:08:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:08:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:08:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:08:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:08:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-15 02:08:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-15 02:08:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:08:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:08:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-15 02:08:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:08:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2019-10-15 02:08:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2019-10-15 02:08:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2019-10-15 02:08:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2019-10-15 02:08:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-15 02:08:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-15 02:08:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:08:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:08:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 02:08:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 02:08:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-15 02:08:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-15 02:08:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-15 02:08:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-15 02:08:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-15 02:08:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-15 02:08:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-15 02:08:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-15 02:08:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-15 02:08:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-15 02:08:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-15 02:08:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-15 02:08:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-15 02:08:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-15 02:08:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-10-15 02:08:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-15 02:08:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-15 02:08:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-15 02:08:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-15 02:08:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-15 02:08:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-15 02:08:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-15 02:08:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-15 02:08:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 02:08:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-15 02:08:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-15 02:08:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-15 02:08:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 02:08:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 02:08:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 02:08:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:08:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:08:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-15 02:08:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-15 02:08:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 02:08:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:08:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-15 02:08:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-15 02:08:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-15 02:08:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-15 02:08:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-15 02:08:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-15 02:08:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:08:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-15 02:08:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-15 02:08:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:08:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:08:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-15 02:08:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-15 02:08:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:08:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-15 02:08:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-15 02:08:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-15 02:08:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-15 02:08:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-15 02:08:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-15 02:08:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-15 02:08:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-15 02:08:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-15 02:08:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-15 02:08:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-15 02:08:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-15 02:08:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-15 02:08:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-15 02:08:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:08:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:08:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:08:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:08:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 02:08:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:08:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:08:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 02:08:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:08:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 02:08:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:08:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:08:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:08:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:08:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-15 02:08:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:08:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:08:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:08:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:08:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:08:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:08:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:08:58,765 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:08:58,766 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:08:58,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:08:58 BoogieIcfgContainer [2019-10-15 02:08:58,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:08:58,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:08:58,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:08:58,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:08:58,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:08:51" (1/3) ... [2019-10-15 02:08:58,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66615586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:08:58, skipping insertion in model container [2019-10-15 02:08:58,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:53" (2/3) ... [2019-10-15 02:08:58,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66615586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:08:58, skipping insertion in model container [2019-10-15 02:08:58,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:08:58" (3/3) ... [2019-10-15 02:08:58,779 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-15 02:08:58,792 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:08:58,804 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:08:58,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:08:58,860 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:08:58,861 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:08:58,861 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:08:58,861 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:08:58,861 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:08:58,861 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:08:58,861 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:08:58,861 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:08:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states. [2019-10-15 02:08:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-15 02:08:58,918 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:08:58,920 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:08:58,922 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:08:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:08:58,929 INFO L82 PathProgramCache]: Analyzing trace with hash 616432345, now seen corresponding path program 1 times [2019-10-15 02:08:58,941 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:08:58,941 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125867456] [2019-10-15 02:08:58,942 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:58,942 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:58,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:08:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:08:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:08:59,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125867456] [2019-10-15 02:08:59,553 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:08:59,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:08:59,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900392131] [2019-10-15 02:08:59,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:08:59,560 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:08:59,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:08:59,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:59,584 INFO L87 Difference]: Start difference. First operand 773 states. Second operand 3 states. [2019-10-15 02:08:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:08:59,942 INFO L93 Difference]: Finished difference Result 2007 states and 2828 transitions. [2019-10-15 02:08:59,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:08:59,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-15 02:08:59,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:08:59,988 INFO L225 Difference]: With dead ends: 2007 [2019-10-15 02:08:59,988 INFO L226 Difference]: Without dead ends: 1317 [2019-10-15 02:08:59,998 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:00,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2019-10-15 02:09:00,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1288. [2019-10-15 02:09:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1288 states. [2019-10-15 02:09:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1761 transitions. [2019-10-15 02:09:00,181 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1761 transitions. Word has length 33 [2019-10-15 02:09:00,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:00,181 INFO L462 AbstractCegarLoop]: Abstraction has 1288 states and 1761 transitions. [2019-10-15 02:09:00,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1761 transitions. [2019-10-15 02:09:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-15 02:09:00,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:00,194 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:00,195 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:00,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:00,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1235393503, now seen corresponding path program 1 times [2019-10-15 02:09:00,196 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:00,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486906998] [2019-10-15 02:09:00,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:00,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:00,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:00,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486906998] [2019-10-15 02:09:00,496 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:00,496 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:00,499 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485414735] [2019-10-15 02:09:00,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:00,501 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:00,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:00,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:00,502 INFO L87 Difference]: Start difference. First operand 1288 states and 1761 transitions. Second operand 3 states. [2019-10-15 02:09:00,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:00,784 INFO L93 Difference]: Finished difference Result 3179 states and 4351 transitions. [2019-10-15 02:09:00,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:00,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-10-15 02:09:00,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:00,799 INFO L225 Difference]: With dead ends: 3179 [2019-10-15 02:09:00,800 INFO L226 Difference]: Without dead ends: 1900 [2019-10-15 02:09:00,806 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2019-10-15 02:09:00,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1896. [2019-10-15 02:09:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1896 states. [2019-10-15 02:09:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2593 transitions. [2019-10-15 02:09:00,941 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2593 transitions. Word has length 31 [2019-10-15 02:09:00,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:00,941 INFO L462 AbstractCegarLoop]: Abstraction has 1896 states and 2593 transitions. [2019-10-15 02:09:00,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2593 transitions. [2019-10-15 02:09:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-15 02:09:00,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:00,944 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:00,944 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:00,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:00,944 INFO L82 PathProgramCache]: Analyzing trace with hash -376057016, now seen corresponding path program 1 times [2019-10-15 02:09:00,945 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:00,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228886300] [2019-10-15 02:09:00,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:00,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:00,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:01,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228886300] [2019-10-15 02:09:01,095 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:01,095 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:01,095 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988266613] [2019-10-15 02:09:01,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:01,096 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:01,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:01,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:01,096 INFO L87 Difference]: Start difference. First operand 1896 states and 2593 transitions. Second operand 3 states. [2019-10-15 02:09:01,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:01,284 INFO L93 Difference]: Finished difference Result 4960 states and 6782 transitions. [2019-10-15 02:09:01,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:01,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-15 02:09:01,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:01,310 INFO L225 Difference]: With dead ends: 4960 [2019-10-15 02:09:01,310 INFO L226 Difference]: Without dead ends: 3073 [2019-10-15 02:09:01,319 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:01,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3073 states. [2019-10-15 02:09:01,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3073 to 3044. [2019-10-15 02:09:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2019-10-15 02:09:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4163 transitions. [2019-10-15 02:09:01,478 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4163 transitions. Word has length 35 [2019-10-15 02:09:01,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:01,478 INFO L462 AbstractCegarLoop]: Abstraction has 3044 states and 4163 transitions. [2019-10-15 02:09:01,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:01,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4163 transitions. [2019-10-15 02:09:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-15 02:09:01,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:01,483 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:01,483 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:01,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1695829988, now seen corresponding path program 1 times [2019-10-15 02:09:01,484 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:01,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929055938] [2019-10-15 02:09:01,484 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:01,484 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:01,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:01,679 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929055938] [2019-10-15 02:09:01,679 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:01,680 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:01,680 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683472330] [2019-10-15 02:09:01,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:01,680 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:01,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:01,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:01,682 INFO L87 Difference]: Start difference. First operand 3044 states and 4163 transitions. Second operand 3 states. [2019-10-15 02:09:01,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:01,997 INFO L93 Difference]: Finished difference Result 3046 states and 4164 transitions. [2019-10-15 02:09:01,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:01,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-15 02:09:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:02,023 INFO L225 Difference]: With dead ends: 3046 [2019-10-15 02:09:02,024 INFO L226 Difference]: Without dead ends: 3043 [2019-10-15 02:09:02,026 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2019-10-15 02:09:02,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 3043. [2019-10-15 02:09:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3043 states. [2019-10-15 02:09:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4161 transitions. [2019-10-15 02:09:02,184 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4161 transitions. Word has length 34 [2019-10-15 02:09:02,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:02,184 INFO L462 AbstractCegarLoop]: Abstraction has 3043 states and 4161 transitions. [2019-10-15 02:09:02,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4161 transitions. [2019-10-15 02:09:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-15 02:09:02,186 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:02,187 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:02,187 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:02,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:02,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1030608465, now seen corresponding path program 1 times [2019-10-15 02:09:02,188 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:02,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490141535] [2019-10-15 02:09:02,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:02,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:02,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:02,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490141535] [2019-10-15 02:09:02,349 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:02,349 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:02,349 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393178894] [2019-10-15 02:09:02,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:02,350 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:02,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:02,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:02,350 INFO L87 Difference]: Start difference. First operand 3043 states and 4161 transitions. Second operand 3 states. [2019-10-15 02:09:02,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:02,565 INFO L93 Difference]: Finished difference Result 3045 states and 4162 transitions. [2019-10-15 02:09:02,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:02,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-15 02:09:02,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:02,585 INFO L225 Difference]: With dead ends: 3045 [2019-10-15 02:09:02,585 INFO L226 Difference]: Without dead ends: 3042 [2019-10-15 02:09:02,588 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:02,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2019-10-15 02:09:02,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 3042. [2019-10-15 02:09:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3042 states. [2019-10-15 02:09:02,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4159 transitions. [2019-10-15 02:09:02,743 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4159 transitions. Word has length 35 [2019-10-15 02:09:02,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:02,743 INFO L462 AbstractCegarLoop]: Abstraction has 3042 states and 4159 transitions. [2019-10-15 02:09:02,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4159 transitions. [2019-10-15 02:09:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-15 02:09:02,745 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:02,745 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:02,746 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:02,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:02,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1883582599, now seen corresponding path program 1 times [2019-10-15 02:09:02,746 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:02,746 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7576578] [2019-10-15 02:09:02,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:02,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:02,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:02,972 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7576578] [2019-10-15 02:09:02,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:02,973 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:02,973 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639915937] [2019-10-15 02:09:02,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:02,974 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:02,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:02,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:02,974 INFO L87 Difference]: Start difference. First operand 3042 states and 4159 transitions. Second operand 3 states. [2019-10-15 02:09:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:03,205 INFO L93 Difference]: Finished difference Result 3044 states and 4160 transitions. [2019-10-15 02:09:03,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:03,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-15 02:09:03,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:03,223 INFO L225 Difference]: With dead ends: 3044 [2019-10-15 02:09:03,223 INFO L226 Difference]: Without dead ends: 3041 [2019-10-15 02:09:03,226 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:03,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2019-10-15 02:09:03,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 3041. [2019-10-15 02:09:03,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3041 states. [2019-10-15 02:09:03,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4157 transitions. [2019-10-15 02:09:03,365 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4157 transitions. Word has length 36 [2019-10-15 02:09:03,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:03,366 INFO L462 AbstractCegarLoop]: Abstraction has 3041 states and 4157 transitions. [2019-10-15 02:09:03,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4157 transitions. [2019-10-15 02:09:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-15 02:09:03,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:03,368 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:03,368 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:03,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1738985452, now seen corresponding path program 1 times [2019-10-15 02:09:03,368 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:03,369 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329443375] [2019-10-15 02:09:03,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:03,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:03,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:09:03,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329443375] [2019-10-15 02:09:03,462 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:03,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:03,463 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385813437] [2019-10-15 02:09:03,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:03,463 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:03,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:03,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:03,464 INFO L87 Difference]: Start difference. First operand 3041 states and 4157 transitions. Second operand 3 states. [2019-10-15 02:09:03,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:03,787 INFO L93 Difference]: Finished difference Result 6562 states and 9027 transitions. [2019-10-15 02:09:03,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:03,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-15 02:09:03,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:03,818 INFO L225 Difference]: With dead ends: 6562 [2019-10-15 02:09:03,818 INFO L226 Difference]: Without dead ends: 3518 [2019-10-15 02:09:03,835 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2019-10-15 02:09:04,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3491. [2019-10-15 02:09:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3491 states. [2019-10-15 02:09:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4732 transitions. [2019-10-15 02:09:04,170 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4732 transitions. Word has length 37 [2019-10-15 02:09:04,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:04,171 INFO L462 AbstractCegarLoop]: Abstraction has 3491 states and 4732 transitions. [2019-10-15 02:09:04,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4732 transitions. [2019-10-15 02:09:04,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-15 02:09:04,179 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:04,179 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:04,179 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:04,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:04,180 INFO L82 PathProgramCache]: Analyzing trace with hash -560787085, now seen corresponding path program 1 times [2019-10-15 02:09:04,180 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:04,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819420044] [2019-10-15 02:09:04,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:04,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:04,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 02:09:04,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819420044] [2019-10-15 02:09:04,310 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:04,311 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:04,311 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653531392] [2019-10-15 02:09:04,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:04,312 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:04,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:04,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:04,312 INFO L87 Difference]: Start difference. First operand 3491 states and 4732 transitions. Second operand 3 states. [2019-10-15 02:09:04,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:04,583 INFO L93 Difference]: Finished difference Result 4003 states and 5356 transitions. [2019-10-15 02:09:04,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:04,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-15 02:09:04,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:04,605 INFO L225 Difference]: With dead ends: 4003 [2019-10-15 02:09:04,605 INFO L226 Difference]: Without dead ends: 3489 [2019-10-15 02:09:04,610 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:04,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2019-10-15 02:09:04,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3477. [2019-10-15 02:09:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2019-10-15 02:09:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4687 transitions. [2019-10-15 02:09:04,788 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4687 transitions. Word has length 68 [2019-10-15 02:09:04,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:04,789 INFO L462 AbstractCegarLoop]: Abstraction has 3477 states and 4687 transitions. [2019-10-15 02:09:04,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4687 transitions. [2019-10-15 02:09:04,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-15 02:09:04,798 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:04,799 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:04,799 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:04,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:04,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1468276741, now seen corresponding path program 1 times [2019-10-15 02:09:04,799 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:04,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575563709] [2019-10-15 02:09:04,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:04,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:04,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 02:09:04,936 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575563709] [2019-10-15 02:09:04,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:04,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:04,937 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514022992] [2019-10-15 02:09:04,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:04,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:04,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:04,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:04,938 INFO L87 Difference]: Start difference. First operand 3477 states and 4687 transitions. Second operand 3 states. [2019-10-15 02:09:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:05,315 INFO L93 Difference]: Finished difference Result 9758 states and 13114 transitions. [2019-10-15 02:09:05,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:05,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-15 02:09:05,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:05,364 INFO L225 Difference]: With dead ends: 9758 [2019-10-15 02:09:05,364 INFO L226 Difference]: Without dead ends: 6290 [2019-10-15 02:09:05,380 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:05,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6290 states. [2019-10-15 02:09:05,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6290 to 6262. [2019-10-15 02:09:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6262 states. [2019-10-15 02:09:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 8404 transitions. [2019-10-15 02:09:05,683 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 8404 transitions. Word has length 119 [2019-10-15 02:09:05,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:05,683 INFO L462 AbstractCegarLoop]: Abstraction has 6262 states and 8404 transitions. [2019-10-15 02:09:05,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 8404 transitions. [2019-10-15 02:09:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-15 02:09:05,710 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:05,710 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:05,711 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:05,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:05,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1007265875, now seen corresponding path program 1 times [2019-10-15 02:09:05,711 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:05,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471208355] [2019-10-15 02:09:05,712 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:05,712 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:05,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 02:09:05,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471208355] [2019-10-15 02:09:05,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:05,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:09:05,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574238704] [2019-10-15 02:09:05,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:09:05,889 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:05,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:09:05,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:05,890 INFO L87 Difference]: Start difference. First operand 6262 states and 8404 transitions. Second operand 3 states. [2019-10-15 02:09:06,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:06,509 INFO L93 Difference]: Finished difference Result 16220 states and 21753 transitions. [2019-10-15 02:09:06,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:09:06,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-15 02:09:06,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:06,568 INFO L225 Difference]: With dead ends: 16220 [2019-10-15 02:09:06,569 INFO L226 Difference]: Without dead ends: 9967 [2019-10-15 02:09:06,593 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:09:06,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2019-10-15 02:09:06,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9939. [2019-10-15 02:09:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9939 states. [2019-10-15 02:09:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9939 states to 9939 states and 13322 transitions. [2019-10-15 02:09:07,001 INFO L78 Accepts]: Start accepts. Automaton has 9939 states and 13322 transitions. Word has length 122 [2019-10-15 02:09:07,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:07,001 INFO L462 AbstractCegarLoop]: Abstraction has 9939 states and 13322 transitions. [2019-10-15 02:09:07,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:09:07,001 INFO L276 IsEmpty]: Start isEmpty. Operand 9939 states and 13322 transitions. [2019-10-15 02:09:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-15 02:09:07,035 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:07,036 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:07,036 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:07,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:07,036 INFO L82 PathProgramCache]: Analyzing trace with hash -804047644, now seen corresponding path program 1 times [2019-10-15 02:09:07,036 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:07,037 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874274816] [2019-10-15 02:09:07,037 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:07,037 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:07,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 02:09:07,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874274816] [2019-10-15 02:09:07,689 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:09:07,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-15 02:09:07,690 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457199305] [2019-10-15 02:09:07,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-15 02:09:07,690 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:07,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-15 02:09:07,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-15 02:09:07,692 INFO L87 Difference]: Start difference. First operand 9939 states and 13322 transitions. Second operand 16 states. [2019-10-15 02:09:08,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:08,381 INFO L93 Difference]: Finished difference Result 20369 states and 27581 transitions. [2019-10-15 02:09:08,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 02:09:08,382 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 141 [2019-10-15 02:09:08,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:08,435 INFO L225 Difference]: With dead ends: 20369 [2019-10-15 02:09:08,436 INFO L226 Difference]: Without dead ends: 10563 [2019-10-15 02:09:08,475 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2019-10-15 02:09:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10563 states. [2019-10-15 02:09:08,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10563 to 10259. [2019-10-15 02:09:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10259 states. [2019-10-15 02:09:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10259 states to 10259 states and 13738 transitions. [2019-10-15 02:09:08,992 INFO L78 Accepts]: Start accepts. Automaton has 10259 states and 13738 transitions. Word has length 141 [2019-10-15 02:09:08,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:08,994 INFO L462 AbstractCegarLoop]: Abstraction has 10259 states and 13738 transitions. [2019-10-15 02:09:08,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-15 02:09:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 10259 states and 13738 transitions. [2019-10-15 02:09:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-15 02:09:09,750 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:09,750 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:09,750 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1621208806, now seen corresponding path program 1 times [2019-10-15 02:09:09,751 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:09,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948971849] [2019-10-15 02:09:09,751 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:09,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:09,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 02:09:10,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948971849] [2019-10-15 02:09:10,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529819735] [2019-10-15 02:09:10,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:09:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:10,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 2327 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-15 02:09:10,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:09:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-15 02:09:11,224 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:09:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-15 02:09:11,421 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 02:09:11,422 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [16] total 21 [2019-10-15 02:09:11,422 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634187178] [2019-10-15 02:09:11,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:09:11,423 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:09:11,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:09:11,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2019-10-15 02:09:11,424 INFO L87 Difference]: Start difference. First operand 10259 states and 13738 transitions. Second operand 7 states. [2019-10-15 02:09:12,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:09:12,282 INFO L93 Difference]: Finished difference Result 21385 states and 29077 transitions. [2019-10-15 02:09:12,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 02:09:12,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2019-10-15 02:09:12,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:09:12,340 INFO L225 Difference]: With dead ends: 21385 [2019-10-15 02:09:12,340 INFO L226 Difference]: Without dead ends: 11259 [2019-10-15 02:09:12,392 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2019-10-15 02:09:12,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11259 states. [2019-10-15 02:09:13,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11259 to 10959. [2019-10-15 02:09:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10959 states. [2019-10-15 02:09:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10959 states to 10959 states and 14754 transitions. [2019-10-15 02:09:13,148 INFO L78 Accepts]: Start accepts. Automaton has 10959 states and 14754 transitions. Word has length 145 [2019-10-15 02:09:13,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:09:13,149 INFO L462 AbstractCegarLoop]: Abstraction has 10959 states and 14754 transitions. [2019-10-15 02:09:13,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:09:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 10959 states and 14754 transitions. [2019-10-15 02:09:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-15 02:09:13,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:09:13,193 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:09:13,413 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:09:13,413 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:09:13,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:09:13,414 INFO L82 PathProgramCache]: Analyzing trace with hash 268359456, now seen corresponding path program 1 times [2019-10-15 02:09:13,415 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:09:13,415 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039437763] [2019-10-15 02:09:13,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:13,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:09:13,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:09:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 02:09:14,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039437763] [2019-10-15 02:09:14,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368508771] [2019-10-15 02:09:14,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:09:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:09:15,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 76 conjunts are in the unsatisfiable core [2019-10-15 02:09:15,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:09:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 02:09:15,334 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:09:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 02:09:17,014 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1160903580] [2019-10-15 02:09:17,047 INFO L162 IcfgInterpreter]: Started Sifa with 112 locations of interest [2019-10-15 02:09:17,047 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 02:09:17,054 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 02:09:17,062 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 02:09:17,062 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs