java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 11:46:03,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 11:46:03,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 11:46:03,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 11:46:03,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 11:46:03,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 11:46:03,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 11:46:03,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 11:46:03,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 11:46:03,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 11:46:03,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 11:46:03,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 11:46:03,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 11:46:03,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 11:46:03,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 11:46:03,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 11:46:03,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 11:46:03,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 11:46:03,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 11:46:03,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 11:46:03,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 11:46:03,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 11:46:03,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 11:46:03,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 11:46:03,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 11:46:03,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 11:46:03,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 11:46:04,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 11:46:04,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 11:46:04,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 11:46:04,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 11:46:04,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 11:46:04,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 11:46:04,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 11:46:04,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 11:46:04,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 11:46:04,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 11:46:04,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 11:46:04,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 11:46:04,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 11:46:04,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 11:46:04,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 11:46:04,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 11:46:04,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 11:46:04,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 11:46:04,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 11:46:04,024 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 11:46:04,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 11:46:04,024 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 11:46:04,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 11:46:04,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 11:46:04,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 11:46:04,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 11:46:04,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 11:46:04,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 11:46:04,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 11:46:04,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 11:46:04,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 11:46:04,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 11:46:04,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 11:46:04,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 11:46:04,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 11:46:04,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 11:46:04,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:46:04,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 11:46:04,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 11:46:04,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 11:46:04,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 11:46:04,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 11:46:04,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 11:46:04,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 11:46:04,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 11:46:04,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 11:46:04,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 11:46:04,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 11:46:04,371 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 11:46:04,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-07 11:46:04,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e18c9e9/e086c435c9014a2781030b4ffd439fdb/FLAG894fd6e30 [2019-10-07 11:46:05,213 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 11:46:05,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-07 11:46:05,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e18c9e9/e086c435c9014a2781030b4ffd439fdb/FLAG894fd6e30 [2019-10-07 11:46:05,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e18c9e9/e086c435c9014a2781030b4ffd439fdb [2019-10-07 11:46:05,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 11:46:05,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 11:46:05,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 11:46:05,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 11:46:05,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 11:46:05,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:46:05" (1/1) ... [2019-10-07 11:46:05,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47be89e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:05, skipping insertion in model container [2019-10-07 11:46:05,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:46:05" (1/1) ... [2019-10-07 11:46:05,794 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 11:46:05,896 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 11:46:07,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:46:07,241 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 11:46:07,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:46:07,781 INFO L192 MainTranslator]: Completed translation [2019-10-07 11:46:07,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07 WrapperNode [2019-10-07 11:46:07,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 11:46:07,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 11:46:07,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 11:46:07,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 11:46:07,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (1/1) ... [2019-10-07 11:46:07,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (1/1) ... [2019-10-07 11:46:07,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (1/1) ... [2019-10-07 11:46:07,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (1/1) ... [2019-10-07 11:46:08,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (1/1) ... [2019-10-07 11:46:08,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (1/1) ... [2019-10-07 11:46:08,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (1/1) ... [2019-10-07 11:46:08,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 11:46:08,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 11:46:08,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 11:46:08,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 11:46:08,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:46:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 11:46:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 11:46:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 11:46:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 11:46:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 11:46:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 11:46:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 11:46:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 11:46:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 11:46:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 11:46:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 11:46:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 11:46:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 11:46:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 11:46:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 11:46:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-07 11:46:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-07 11:46:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-07 11:46:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-07 11:46:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-07 11:46:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-07 11:46:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-07 11:46:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-07 11:46:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-07 11:46:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-07 11:46:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-07 11:46:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-07 11:46:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 11:46:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-07 11:46:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 11:46:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-07 11:46:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 11:46:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 11:46:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 11:46:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-07 11:46:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-07 11:46:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-07 11:46:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-07 11:46:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-07 11:46:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-07 11:46:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-07 11:46:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-07 11:46:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-07 11:46:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-07 11:46:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-07 11:46:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-07 11:46:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-07 11:46:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-07 11:46:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-07 11:46:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-07 11:46:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-07 11:46:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-07 11:46:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-07 11:46:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-07 11:46:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-07 11:46:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-07 11:46:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-07 11:46:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-07 11:46:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-07 11:46:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-07 11:46:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-07 11:46:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-07 11:46:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-07 11:46:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-07 11:46:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-07 11:46:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-07 11:46:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-07 11:46:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_class_interface_1 [2019-10-07 11:46:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 11:46:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-07 11:46:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-10-07 11:46:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2019-10-07 11:46:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_22 [2019-10-07 11:46:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-07 11:46:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-07 11:46:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-07 11:46:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-07 11:46:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-07 11:46:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-07 11:46:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-07 11:46:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-07 11:46:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-07 11:46:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-07 11:46:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2019-10-07 11:46:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 11:46:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 11:46:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 11:46:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 11:46:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 11:46:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 11:46:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:46:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:46:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 11:46:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 11:46:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:46:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 11:46:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 11:46:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-07 11:46:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-07 11:46:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:46:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-07 11:46:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:46:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:46:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:46:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:46:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:46:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:46:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:46:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:46:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:46:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:46:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:46:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 11:46:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 11:46:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 11:46:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-07 11:46:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-07 11:46:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-07 11:46:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-07 11:46:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-07 11:46:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-07 11:46:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 11:46:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-07 11:46:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-07 11:46:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-07 11:46:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-07 11:46:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 11:46:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 11:46:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 11:46:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-07 11:46:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-07 11:46:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 11:46:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-07 11:46:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-07 11:46:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-07 11:46:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-07 11:46:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 11:46:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 11:46:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 11:46:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 11:46:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 11:46:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 11:46:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 11:46:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-07 11:46:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 11:46:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-07 11:46:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-07 11:46:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 11:46:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 11:46:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 11:46:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 11:46:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 11:46:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 11:46:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 11:46:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 11:46:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 11:46:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 11:46:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 11:46:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 11:46:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 11:46:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 11:46:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 11:46:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 11:46:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 11:46:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 11:46:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-07 11:46:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-07 11:46:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 11:46:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 11:46:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:46:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:46:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:46:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 11:46:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 11:46:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 11:46:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-07 11:46:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-07 11:46:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-07 11:46:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-07 11:46:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 11:46:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 11:46:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-07 11:46:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 11:46:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-07 11:46:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-07 11:46:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-07 11:46:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-07 11:46:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-07 11:46:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 11:46:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 11:46:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-07 11:46:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 11:46:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 11:46:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 11:46:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 11:46:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-07 11:46:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_22 [2019-10-07 11:46:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-10-07 11:46:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-07 11:46:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-07 11:46:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-07 11:46:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-07 11:46:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-07 11:46:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2019-10-07 11:46:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-07 11:46:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2019-10-07 11:46:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-07 11:46:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-07 11:46:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-07 11:46:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-07 11:46:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-07 11:46:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-07 11:46:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-07 11:46:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-07 11:46:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-07 11:46:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-07 11:46:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 11:46:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-07 11:46:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_class_interface_1 [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-07 11:46:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-07 11:46:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 11:46:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 11:46:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-07 11:46:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-07 11:46:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 11:46:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 11:46:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 11:46:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-07 11:46:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-07 11:46:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 11:46:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-07 11:46:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-07 11:46:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-07 11:46:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-07 11:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-07 11:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-07 11:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-07 11:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-07 11:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-07 11:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-07 11:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-07 11:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-07 11:46:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-07 11:46:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-07 11:46:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-07 11:46:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-07 11:46:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-07 11:46:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-07 11:46:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-07 11:46:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-07 11:46:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-07 11:46:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-07 11:46:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 11:46:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 11:46:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 11:46:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 11:46:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:46:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:46:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:46:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:46:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:46:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:46:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 11:46:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 11:46:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 11:46:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 11:46:09,161 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 11:46:13,325 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 11:46:13,326 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 11:46:13,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:46:13 BoogieIcfgContainer [2019-10-07 11:46:13,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 11:46:13,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 11:46:13,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 11:46:13,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 11:46:13,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 11:46:05" (1/3) ... [2019-10-07 11:46:13,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d115cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:46:13, skipping insertion in model container [2019-10-07 11:46:13,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:46:07" (2/3) ... [2019-10-07 11:46:13,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d115cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:46:13, skipping insertion in model container [2019-10-07 11:46:13,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:46:13" (3/3) ... [2019-10-07 11:46:13,337 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-07 11:46:13,346 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 11:46:13,361 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 11:46:13,372 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 11:46:13,410 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 11:46:13,410 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 11:46:13,410 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 11:46:13,411 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 11:46:13,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 11:46:13,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 11:46:13,411 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 11:46:13,411 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 11:46:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states. [2019-10-07 11:46:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-07 11:46:13,479 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:13,480 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:13,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:13,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:13,487 INFO L82 PathProgramCache]: Analyzing trace with hash -418511389, now seen corresponding path program 1 times [2019-10-07 11:46:13,496 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:13,496 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:13,497 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:13,497 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-07 11:46:14,395 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:14,396 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:14,396 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:14,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:14,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:14,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:14,417 INFO L87 Difference]: Start difference. First operand 975 states. Second operand 3 states. [2019-10-07 11:46:14,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:14,740 INFO L93 Difference]: Finished difference Result 2324 states and 3237 transitions. [2019-10-07 11:46:14,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:14,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2019-10-07 11:46:14,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:14,780 INFO L225 Difference]: With dead ends: 2324 [2019-10-07 11:46:14,781 INFO L226 Difference]: Without dead ends: 1515 [2019-10-07 11:46:14,793 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:14,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2019-10-07 11:46:15,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1496. [2019-10-07 11:46:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2019-10-07 11:46:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2023 transitions. [2019-10-07 11:46:15,040 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2023 transitions. Word has length 236 [2019-10-07 11:46:15,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:15,044 INFO L462 AbstractCegarLoop]: Abstraction has 1496 states and 2023 transitions. [2019-10-07 11:46:15,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2023 transitions. [2019-10-07 11:46:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-07 11:46:15,058 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:15,059 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:15,059 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:15,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:15,059 INFO L82 PathProgramCache]: Analyzing trace with hash 676543671, now seen corresponding path program 1 times [2019-10-07 11:46:15,060 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:15,060 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:15,060 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:15,060 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:15,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-07 11:46:15,426 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:15,426 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:15,427 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:15,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:15,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:15,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:15,430 INFO L87 Difference]: Start difference. First operand 1496 states and 2023 transitions. Second operand 3 states. [2019-10-07 11:46:15,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:15,611 INFO L93 Difference]: Finished difference Result 4250 states and 5741 transitions. [2019-10-07 11:46:15,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:15,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-07 11:46:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:15,633 INFO L225 Difference]: With dead ends: 4250 [2019-10-07 11:46:15,633 INFO L226 Difference]: Without dead ends: 2810 [2019-10-07 11:46:15,639 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:15,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2019-10-07 11:46:15,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2790. [2019-10-07 11:46:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2019-10-07 11:46:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3775 transitions. [2019-10-07 11:46:15,768 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3775 transitions. Word has length 238 [2019-10-07 11:46:15,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:15,769 INFO L462 AbstractCegarLoop]: Abstraction has 2790 states and 3775 transitions. [2019-10-07 11:46:15,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3775 transitions. [2019-10-07 11:46:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-07 11:46:15,775 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:15,775 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:15,776 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:15,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:15,776 INFO L82 PathProgramCache]: Analyzing trace with hash -170978756, now seen corresponding path program 1 times [2019-10-07 11:46:15,776 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:15,776 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:15,777 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:15,777 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-07 11:46:16,312 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:16,312 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:16,312 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:16,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:16,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:16,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:16,314 INFO L87 Difference]: Start difference. First operand 2790 states and 3775 transitions. Second operand 3 states. [2019-10-07 11:46:16,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:16,701 INFO L93 Difference]: Finished difference Result 8128 states and 11009 transitions. [2019-10-07 11:46:16,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:16,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-07 11:46:16,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:16,752 INFO L225 Difference]: With dead ends: 8128 [2019-10-07 11:46:16,752 INFO L226 Difference]: Without dead ends: 5394 [2019-10-07 11:46:16,774 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:16,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5394 states. [2019-10-07 11:46:17,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5394 to 5390. [2019-10-07 11:46:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5390 states. [2019-10-07 11:46:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 5390 states and 7299 transitions. [2019-10-07 11:46:17,131 INFO L78 Accepts]: Start accepts. Automaton has 5390 states and 7299 transitions. Word has length 238 [2019-10-07 11:46:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:17,135 INFO L462 AbstractCegarLoop]: Abstraction has 5390 states and 7299 transitions. [2019-10-07 11:46:17,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5390 states and 7299 transitions. [2019-10-07 11:46:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-07 11:46:17,140 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:17,140 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:17,141 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:17,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:17,141 INFO L82 PathProgramCache]: Analyzing trace with hash -192058516, now seen corresponding path program 1 times [2019-10-07 11:46:17,141 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:17,141 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:17,142 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:17,142 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:17,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-07 11:46:17,625 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:17,626 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:17,626 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:17,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:17,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:17,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:17,627 INFO L87 Difference]: Start difference. First operand 5390 states and 7299 transitions. Second operand 3 states. [2019-10-07 11:46:17,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:17,791 INFO L93 Difference]: Finished difference Result 5392 states and 7300 transitions. [2019-10-07 11:46:17,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:17,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-10-07 11:46:17,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:17,839 INFO L225 Difference]: With dead ends: 5392 [2019-10-07 11:46:17,840 INFO L226 Difference]: Without dead ends: 5389 [2019-10-07 11:46:17,844 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:17,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5389 states. [2019-10-07 11:46:18,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5389 to 5389. [2019-10-07 11:46:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5389 states. [2019-10-07 11:46:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 5389 states and 7297 transitions. [2019-10-07 11:46:18,165 INFO L78 Accepts]: Start accepts. Automaton has 5389 states and 7297 transitions. Word has length 241 [2019-10-07 11:46:18,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:18,165 INFO L462 AbstractCegarLoop]: Abstraction has 5389 states and 7297 transitions. [2019-10-07 11:46:18,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:18,166 INFO L276 IsEmpty]: Start isEmpty. Operand 5389 states and 7297 transitions. [2019-10-07 11:46:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-07 11:46:18,170 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:18,170 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:18,171 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:18,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:18,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1659358162, now seen corresponding path program 1 times [2019-10-07 11:46:18,171 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:18,172 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:18,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:18,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:18,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-07 11:46:18,617 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:18,618 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:18,618 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:18,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:18,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:18,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:18,620 INFO L87 Difference]: Start difference. First operand 5389 states and 7297 transitions. Second operand 3 states. [2019-10-07 11:46:18,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:18,765 INFO L93 Difference]: Finished difference Result 5391 states and 7298 transitions. [2019-10-07 11:46:18,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:18,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-10-07 11:46:18,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:18,802 INFO L225 Difference]: With dead ends: 5391 [2019-10-07 11:46:18,802 INFO L226 Difference]: Without dead ends: 5388 [2019-10-07 11:46:18,806 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:18,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2019-10-07 11:46:19,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 5388. [2019-10-07 11:46:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5388 states. [2019-10-07 11:46:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 7295 transitions. [2019-10-07 11:46:19,054 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 7295 transitions. Word has length 242 [2019-10-07 11:46:19,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:19,056 INFO L462 AbstractCegarLoop]: Abstraction has 5388 states and 7295 transitions. [2019-10-07 11:46:19,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 7295 transitions. [2019-10-07 11:46:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-07 11:46:19,061 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:19,061 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:19,061 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:19,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:19,062 INFO L82 PathProgramCache]: Analyzing trace with hash 98997935, now seen corresponding path program 1 times [2019-10-07 11:46:19,062 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:19,062 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:19,062 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:19,063 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:19,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-07 11:46:19,423 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:19,424 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:19,424 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:19,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:19,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:19,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:19,427 INFO L87 Difference]: Start difference. First operand 5388 states and 7295 transitions. Second operand 3 states. [2019-10-07 11:46:19,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:19,799 INFO L93 Difference]: Finished difference Result 11684 states and 15911 transitions. [2019-10-07 11:46:19,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:19,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-07 11:46:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:19,849 INFO L225 Difference]: With dead ends: 11684 [2019-10-07 11:46:19,849 INFO L226 Difference]: Without dead ends: 6341 [2019-10-07 11:46:19,870 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:19,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6341 states. [2019-10-07 11:46:20,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6341 to 6291. [2019-10-07 11:46:20,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6291 states. [2019-10-07 11:46:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6291 states to 6291 states and 8456 transitions. [2019-10-07 11:46:20,176 INFO L78 Accepts]: Start accepts. Automaton has 6291 states and 8456 transitions. Word has length 243 [2019-10-07 11:46:20,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:20,176 INFO L462 AbstractCegarLoop]: Abstraction has 6291 states and 8456 transitions. [2019-10-07 11:46:20,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 6291 states and 8456 transitions. [2019-10-07 11:46:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-10-07 11:46:20,183 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:20,183 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:20,183 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:20,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:20,184 INFO L82 PathProgramCache]: Analyzing trace with hash 553226920, now seen corresponding path program 1 times [2019-10-07 11:46:20,184 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:20,184 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:20,184 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:20,184 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:20,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-10-07 11:46:20,533 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:20,534 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:20,534 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:20,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:20,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:20,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:20,536 INFO L87 Difference]: Start difference. First operand 6291 states and 8456 transitions. Second operand 3 states. [2019-10-07 11:46:21,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:21,163 INFO L93 Difference]: Finished difference Result 18574 states and 24899 transitions. [2019-10-07 11:46:21,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:21,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2019-10-07 11:46:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:21,235 INFO L225 Difference]: With dead ends: 18574 [2019-10-07 11:46:21,236 INFO L226 Difference]: Without dead ends: 12339 [2019-10-07 11:46:21,261 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:21,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12339 states. [2019-10-07 11:46:21,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12339 to 12325. [2019-10-07 11:46:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12325 states. [2019-10-07 11:46:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12325 states to 12325 states and 16502 transitions. [2019-10-07 11:46:21,899 INFO L78 Accepts]: Start accepts. Automaton has 12325 states and 16502 transitions. Word has length 323 [2019-10-07 11:46:21,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:21,900 INFO L462 AbstractCegarLoop]: Abstraction has 12325 states and 16502 transitions. [2019-10-07 11:46:21,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 12325 states and 16502 transitions. [2019-10-07 11:46:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-10-07 11:46:21,913 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:21,914 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:21,914 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:21,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:21,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1722376751, now seen corresponding path program 1 times [2019-10-07 11:46:21,915 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:21,915 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:21,916 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:21,916 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:21,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-10-07 11:46:23,192 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:23,193 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:23,193 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:23,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:23,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:23,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:23,194 INFO L87 Difference]: Start difference. First operand 12325 states and 16502 transitions. Second operand 3 states. [2019-10-07 11:46:24,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:24,018 INFO L93 Difference]: Finished difference Result 34257 states and 45766 transitions. [2019-10-07 11:46:24,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:24,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 324 [2019-10-07 11:46:24,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:24,148 INFO L225 Difference]: With dead ends: 34257 [2019-10-07 11:46:24,149 INFO L226 Difference]: Without dead ends: 21988 [2019-10-07 11:46:24,219 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:24,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21988 states. [2019-10-07 11:46:25,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21988 to 21975. [2019-10-07 11:46:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21975 states. [2019-10-07 11:46:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21975 states to 21975 states and 29316 transitions. [2019-10-07 11:46:25,513 INFO L78 Accepts]: Start accepts. Automaton has 21975 states and 29316 transitions. Word has length 324 [2019-10-07 11:46:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:25,513 INFO L462 AbstractCegarLoop]: Abstraction has 21975 states and 29316 transitions. [2019-10-07 11:46:25,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 21975 states and 29316 transitions. [2019-10-07 11:46:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-10-07 11:46:25,526 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:25,527 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:25,527 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:25,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:25,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1657026636, now seen corresponding path program 1 times [2019-10-07 11:46:25,528 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:25,528 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:25,528 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:25,528 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:25,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2019-10-07 11:46:25,962 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:25,962 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:25,962 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:25,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:25,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:25,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:25,965 INFO L87 Difference]: Start difference. First operand 21975 states and 29316 transitions. Second operand 3 states. [2019-10-07 11:46:26,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:26,896 INFO L93 Difference]: Finished difference Result 25143 states and 33164 transitions. [2019-10-07 11:46:26,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:26,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 379 [2019-10-07 11:46:26,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:26,984 INFO L225 Difference]: With dead ends: 25143 [2019-10-07 11:46:26,984 INFO L226 Difference]: Without dead ends: 21227 [2019-10-07 11:46:27,008 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:27,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21227 states. [2019-10-07 11:46:27,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21227 to 21075. [2019-10-07 11:46:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21075 states. [2019-10-07 11:46:27,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21075 states to 21075 states and 27980 transitions. [2019-10-07 11:46:27,968 INFO L78 Accepts]: Start accepts. Automaton has 21075 states and 27980 transitions. Word has length 379 [2019-10-07 11:46:27,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:27,968 INFO L462 AbstractCegarLoop]: Abstraction has 21075 states and 27980 transitions. [2019-10-07 11:46:27,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21075 states and 27980 transitions. [2019-10-07 11:46:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-10-07 11:46:28,046 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:28,047 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:28,047 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:28,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:28,048 INFO L82 PathProgramCache]: Analyzing trace with hash -360452816, now seen corresponding path program 1 times [2019-10-07 11:46:28,048 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:28,048 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:28,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:28,049 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:28,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2019-10-07 11:46:29,079 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:29,079 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:29,079 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 11:46:29,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 11:46:29,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 11:46:29,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 11:46:29,081 INFO L87 Difference]: Start difference. First operand 21075 states and 27980 transitions. Second operand 7 states. [2019-10-07 11:46:30,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:30,041 INFO L93 Difference]: Finished difference Result 44110 states and 59416 transitions. [2019-10-07 11:46:30,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 11:46:30,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 452 [2019-10-07 11:46:30,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:30,149 INFO L225 Difference]: With dead ends: 44110 [2019-10-07 11:46:30,150 INFO L226 Difference]: Without dead ends: 23091 [2019-10-07 11:46:30,230 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 11:46:30,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23091 states. [2019-10-07 11:46:32,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23091 to 22451. [2019-10-07 11:46:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22451 states. [2019-10-07 11:46:32,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22451 states to 22451 states and 29940 transitions. [2019-10-07 11:46:32,291 INFO L78 Accepts]: Start accepts. Automaton has 22451 states and 29940 transitions. Word has length 452 [2019-10-07 11:46:32,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:32,292 INFO L462 AbstractCegarLoop]: Abstraction has 22451 states and 29940 transitions. [2019-10-07 11:46:32,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 11:46:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22451 states and 29940 transitions. [2019-10-07 11:46:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-10-07 11:46:32,353 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:32,354 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:32,354 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:32,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:32,355 INFO L82 PathProgramCache]: Analyzing trace with hash 330343070, now seen corresponding path program 1 times [2019-10-07 11:46:32,355 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:32,355 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:32,356 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:32,356 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:32,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1714 trivial. 0 not checked. [2019-10-07 11:46:34,736 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:34,737 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:46:34,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:46:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:45,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 4383 conjuncts, 74 conjunts are in the unsatisfiable core [2019-10-07 11:46:45,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:46:45,844 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2019-10-07 11:46:45,845 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 11:46:45,884 INFO L567 ElimStorePlain]: treesize reduction 4, result has 85.2 percent of original size [2019-10-07 11:46:45,884 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-10-07 11:46:45,885 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:23 [2019-10-07 11:46:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1776 trivial. 0 not checked. [2019-10-07 11:46:46,681 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:46:46,921 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 11:46:48,159 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 204 DAG size of output: 86 [2019-10-07 11:46:48,399 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:48,644 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:48,869 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-10-07 11:46:49,096 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:49,343 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:49,608 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-10-07 11:46:49,825 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:50,048 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:50,274 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:50,528 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-10-07 11:46:50,770 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:51,001 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:51,223 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:51,482 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-10-07 11:46:51,726 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:51,987 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-10-07 11:46:52,226 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-10-07 11:46:52,497 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 53 [2019-10-07 11:46:52,747 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 11:46:53,866 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 204 DAG size of output: 86 [2019-10-07 11:46:54,067 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:54,290 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:54,483 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-10-07 11:46:54,689 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:54,930 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:55,164 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-10-07 11:46:55,369 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:55,608 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:55,844 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:56,104 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-10-07 11:46:56,310 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-10-07 11:46:56,531 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:56,763 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:57,006 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-10-07 11:46:57,211 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 11:46:57,429 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-10-07 11:46:57,643 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-10-07 11:46:57,794 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 11:46:59,064 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 204 DAG size of output: 92 [2019-10-07 11:46:59,337 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-10-07 11:46:59,627 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-10-07 11:46:59,897 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-10-07 11:47:00,164 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-10-07 11:47:00,430 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-10-07 11:47:00,727 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-07 11:47:01,024 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-10-07 11:47:01,313 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-10-07 11:47:01,602 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-10-07 11:47:01,910 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-07 11:47:02,185 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-10-07 11:47:02,467 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-10-07 11:47:02,752 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-10-07 11:47:02,876 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 11:47:04,040 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 204 DAG size of output: 89 [2019-10-07 11:47:04,284 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-07 11:47:04,531 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-10-07 11:47:04,768 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-07 11:47:05,018 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-07 11:47:05,262 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-07 11:47:05,529 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-10-07 11:47:05,772 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-10-07 11:47:06,029 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-10-07 11:47:06,292 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-10-07 11:47:06,442 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 11:47:07,535 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 204 DAG size of output: 84 [2019-10-07 11:47:07,728 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-10-07 11:47:07,929 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-10-07 11:47:08,110 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-10-07 11:47:08,302 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-10-07 11:47:08,498 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-10-07 11:47:08,623 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-10-07 11:47:09,762 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 204 DAG size of output: 84 [2019-10-07 11:47:09,982 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-10-07 11:47:10,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1787 trivial. 0 not checked. [2019-10-07 11:47:10,456 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 11:47:10,456 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [18, 6] imperfect sequences [6] total 26 [2019-10-07 11:47:10,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-07 11:47:10,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-07 11:47:10,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=596, Unknown=0, NotChecked=0, Total=650 [2019-10-07 11:47:10,458 INFO L87 Difference]: Start difference. First operand 22451 states and 29940 transitions. Second operand 22 states. [2019-10-07 11:47:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:47:15,333 INFO L93 Difference]: Finished difference Result 46526 states and 62952 transitions. [2019-10-07 11:47:15,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-07 11:47:15,334 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 451 [2019-10-07 11:47:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:47:15,504 INFO L225 Difference]: With dead ends: 46526 [2019-10-07 11:47:15,504 INFO L226 Difference]: Without dead ends: 24131 [2019-10-07 11:47:15,570 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 908 GetRequests, 882 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2019-10-07 11:47:15,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24131 states. [2019-10-07 11:47:16,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24131 to 22787. [2019-10-07 11:47:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22787 states. [2019-10-07 11:47:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22787 states to 22787 states and 30428 transitions. [2019-10-07 11:47:16,738 INFO L78 Accepts]: Start accepts. Automaton has 22787 states and 30428 transitions. Word has length 451 [2019-10-07 11:47:16,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:47:16,739 INFO L462 AbstractCegarLoop]: Abstraction has 22787 states and 30428 transitions. [2019-10-07 11:47:16,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-07 11:47:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 22787 states and 30428 transitions. [2019-10-07 11:47:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2019-10-07 11:47:16,805 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:47:16,806 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:47:17,020 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:47:17,020 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:47:17,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:47:17,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1925621768, now seen corresponding path program 1 times [2019-10-07 11:47:17,021 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:47:17,021 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:47:17,021 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:47:17,021 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:47:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:47:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:47:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1714 trivial. 0 not checked. [2019-10-07 11:47:20,039 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:47:20,039 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:47:20,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:47:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:47:30,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 4416 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 11:47:30,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:47:30,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:47:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 831 proven. 0 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2019-10-07 11:47:31,125 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:47:31,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:47:31,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:47:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1714 trivial. 0 not checked. [2019-10-07 11:47:31,784 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 11:47:31,784 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2019-10-07 11:47:31,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 11:47:31,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 11:47:31,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:47:31,785 INFO L87 Difference]: Start difference. First operand 22787 states and 30428 transitions. Second operand 6 states. [2019-10-07 11:47:32,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:47:32,821 INFO L93 Difference]: Finished difference Result 45677 states and 61222 transitions. [2019-10-07 11:47:32,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 11:47:32,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 458 [2019-10-07 11:47:32,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:47:32,918 INFO L225 Difference]: With dead ends: 45677 [2019-10-07 11:47:32,919 INFO L226 Difference]: Without dead ends: 22819 [2019-10-07 11:47:32,979 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 908 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-10-07 11:47:33,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22819 states. [2019-10-07 11:47:33,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22819 to 22819. [2019-10-07 11:47:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22819 states. [2019-10-07 11:47:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 30460 transitions. [2019-10-07 11:47:33,901 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 30460 transitions. Word has length 458 [2019-10-07 11:47:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:47:33,902 INFO L462 AbstractCegarLoop]: Abstraction has 22819 states and 30460 transitions. [2019-10-07 11:47:33,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 11:47:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 30460 transitions. [2019-10-07 11:47:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2019-10-07 11:47:33,955 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:47:33,956 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:47:34,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:47:34,157 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:47:34,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:47:34,157 INFO L82 PathProgramCache]: Analyzing trace with hash -503274520, now seen corresponding path program 1 times [2019-10-07 11:47:34,158 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:47:34,158 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:47:34,158 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:47:34,158 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:47:34,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:47:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:47:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2044 trivial. 0 not checked. [2019-10-07 11:47:36,596 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:47:36,596 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:47:36,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:47:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:47:52,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-07 11:47:52,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:47:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 630 proven. 1 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2019-10-07 11:47:52,948 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:47:53,350 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-07 11:47:53,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:47:53,625 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:47:53,625 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:47:53,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:47:57,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 11:47:59,462 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 38 [2019-10-07 11:47:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2044 trivial. 0 not checked. [2019-10-07 11:47:59,679 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 11:47:59,718 INFO L162 IcfgInterpreter]: Started Sifa with 221 locations of interest [2019-10-07 11:47:59,718 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 11:47:59,727 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 11:47:59,735 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 11:47:59,735 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 11:50:08,289 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 11:50:13,358 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 306 DAG size of output: 249 [2019-10-07 11:50:14,090 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 11:50:14,593 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 11:50:14,935 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 11:50:15,513 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:16,052 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:16,554 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:17,256 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:18,310 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1198 [2019-10-07 11:50:18,838 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:19,565 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:20,066 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:20,557 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:21,089 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 11:50:21,111 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 382 for LOIs [2019-10-07 11:50:21,430 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 963 [2019-10-07 11:50:21,597 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 963 [2019-10-07 11:50:22,158 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 1121 [2019-10-07 11:50:22,160 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1232 for LOIs [2019-10-07 11:50:22,654 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 11:50:23,149 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 11:50:23,270 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2019-10-07 11:50:24,148 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 11:50:25,021 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1392 [2019-10-07 11:50:25,805 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1392 [2019-10-07 11:50:26,740 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1516 [2019-10-07 11:51:51,118 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string182.base| (+ (- |~#pccard_nonstatic_ops~0.offset|) ~__ksymtab_pccard_nonstatic_ops~0.value)) [2019-10-07 11:56:44,958 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string382.base| |#t~string444.base|) [2019-10-07 11:56:46,965 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= |#t~string382.base| |#t~string444.base|) [2019-10-07 11:58:31,686 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= ~__ksymtab_pccard_static_ops~0.name.base |#t~string233.base|) [2019-10-07 11:58:43,741 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string233.base| (select (select |#memory_$Pointer$.base| |~#dev_attr_available_resources_io~0.base|) |~#dev_attr_available_resources_io~0.offset|)) [2019-10-07 11:58:45,747 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= |#t~string233.base| (select (select |#memory_$Pointer$.base| |~#dev_attr_available_resources_io~0.base|) |~#dev_attr_available_resources_io~0.offset|)) [2019-10-07 12:00:02,306 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |v_main_~#ldvarg26~0.base_BEFORE_CALL_1| |#t~string233.base|)