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 0.1.24-13a467a-m [2019-10-15 02:51:28,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:51:28,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:51:28,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:51:28,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:51:28,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:51:28,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:51:28,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:51:28,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:51:28,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:51:28,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:51:28,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:51:28,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:51:28,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:51:28,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:51:28,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:51:28,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:51:28,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:51:28,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:51:28,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:51:28,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:51:28,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:51:28,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:51:28,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:51:28,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:51:28,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:51:28,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:51:28,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:51:28,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:51:28,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:51:28,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:51:28,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:51:28,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:51:28,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:51:28,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:51:28,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:51:28,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:51:28,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:51:28,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:51:28,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:51:28,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:51:28,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:51:28,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:51:28,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:51:28,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:51:28,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:51:28,237 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:51:28,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:51:28,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:51:28,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:51:28,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:51:28,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:51:28,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:51:28,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:51:28,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:51:28,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:51:28,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:51:28,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:51:28,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:51:28,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:51:28,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:51:28,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:51:28,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:51:28,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:51:28,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:51:28,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:51:28,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:51:28,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:51:28,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:51:28,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:51:28,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:51:28,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:51:28,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:51:28,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:51:28,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:51:28,556 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:51:28,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-15 02:51:28,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae493fc36/22a7d86076284ab196897be431f260f9/FLAGb70d48499 [2019-10-15 02:51:29,403 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:51:29,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-15 02:51:29,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae493fc36/22a7d86076284ab196897be431f260f9/FLAGb70d48499 [2019-10-15 02:51:29,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae493fc36/22a7d86076284ab196897be431f260f9 [2019-10-15 02:51:29,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:51:29,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:51:29,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:51:29,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:51:29,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:51:29,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:51:29" (1/1) ... [2019-10-15 02:51:29,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f36ad98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:29, skipping insertion in model container [2019-10-15 02:51:29,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:51:29" (1/1) ... [2019-10-15 02:51:29,532 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:51:29,647 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:51:31,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:51:31,252 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:51:31,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:51:31,784 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:51:31,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31 WrapperNode [2019-10-15 02:51:31,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:51:31,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:51:31,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:51:31,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:51:31,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (1/1) ... [2019-10-15 02:51:31,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (1/1) ... [2019-10-15 02:51:31,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (1/1) ... [2019-10-15 02:51:31,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (1/1) ... [2019-10-15 02:51:32,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (1/1) ... [2019-10-15 02:51:32,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (1/1) ... [2019-10-15 02:51:32,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (1/1) ... [2019-10-15 02:51:32,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:51:32,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:51:32,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:51:32,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:51:32,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:51:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:51:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:51:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:51:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:51:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:51:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:51:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:51:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:51:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:51:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:51:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:51:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:51:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:51:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:51:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:51:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-15 02:51:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-15 02:51:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-15 02:51:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-15 02:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-15 02:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-15 02:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-15 02:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-15 02:51:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-15 02:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-15 02:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-15 02:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 02:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-15 02:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 02:51:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-15 02:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 02:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 02:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-15 02:51:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-15 02:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-15 02:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-15 02:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-15 02:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-15 02:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-15 02:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-15 02:51:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-15 02:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-15 02:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-15 02:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-15 02:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-15 02:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-15 02:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-15 02:51:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-15 02:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-15 02:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-15 02:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-15 02:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-15 02:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-15 02:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-15 02:51:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-15 02:51:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-15 02:51:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-15 02:51:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-15 02:51:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-15 02:51:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-15 02:51:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-15 02:51:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-15 02:51:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-15 02:51:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-15 02:51:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-15 02:51:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_class_interface_1 [2019-10-15 02:51:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:51:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-15 02:51:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-10-15 02:51:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2019-10-15 02:51:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_22 [2019-10-15 02:51:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-15 02:51:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-15 02:51:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-15 02:51:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-15 02:51:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-15 02:51:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-15 02:51:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-15 02:51:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-15 02:51:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-15 02:51:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-15 02:51:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2019-10-15 02:51:32,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:51:32,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-15 02:51:32,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:51:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:51:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:51:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:51:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:51:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:51:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 02:51:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 02:51:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:51:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 02:51:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 02:51:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-15 02:51:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-15 02:51:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 02:51:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-15 02:51:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:51:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:51:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:51:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:51:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:51:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:51:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:51:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 02:51:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 02:51:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 02:51:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 02:51:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:51:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 02:51:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 02:51:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-15 02:51:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-15 02:51:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-15 02:51:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-15 02:51:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-15 02:51:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-15 02:51:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:51:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-15 02:51:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-15 02:51:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-15 02:51:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-15 02:51:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:51:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:51:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:51:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-15 02:51:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-15 02:51:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:51:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-15 02:51:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-15 02:51:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 02:51:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 02:51:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:51:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:51:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:51:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:51:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:51:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:51:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:51:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-15 02:51:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:51:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-15 02:51:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 02:51:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:51:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:51:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:51:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:51:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:51:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:51:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:51:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:51:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:51:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:51:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:51:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:51:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:51:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:51:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:51:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:51:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:51:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:51:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-15 02:51:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-15 02:51:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 02:51:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 02:51:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:51:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:51:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:51:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:51:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:51:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:51:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-15 02:51:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-15 02:51:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-15 02:51:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-15 02:51:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:51:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:51:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-15 02:51:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:51:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-15 02:51:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-15 02:51:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-15 02:51:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-15 02:51:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-15 02:51:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:51:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:51:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-15 02:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 02:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 02:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-15 02:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_22 [2019-10-15 02:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-10-15 02:51:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-15 02:51:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-15 02:51:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-15 02:51:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-15 02:51:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-15 02:51:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2019-10-15 02:51:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-15 02:51:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2019-10-15 02:51:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-15 02:51:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-15 02:51:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-15 02:51:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-15 02:51:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-15 02:51:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-15 02:51:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:51:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-15 02:51:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-15 02:51:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-15 02:51:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-15 02:51:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_class_interface_1 [2019-10-15 02:51:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 02:51:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 02:51:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 02:51:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:51:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-15 02:51:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-15 02:51:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 02:51:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:51:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 02:51:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-15 02:51:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-15 02:51:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-15 02:51:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-15 02:51:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-15 02:51:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-15 02:51:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-15 02:51:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:51:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-15 02:51:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-15 02:51:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:51:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-15 02:51:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-15 02:51:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-15 02:51:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-15 02:51:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-15 02:51:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-15 02:51:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-15 02:51:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-15 02:51:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-15 02:51:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-15 02:51:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-15 02:51:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-15 02:51:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-15 02:51:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-15 02:51:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-15 02:51:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-15 02:51:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-15 02:51:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-15 02:51:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-15 02:51:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-15 02:51:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-15 02:51:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:51:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:51:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:51:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:51:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 02:51:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:51:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 02:51:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-15 02:51:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-15 02:51:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 02:51:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 02:51:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-15 02:51:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:51:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:51:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:51:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:51:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:51:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:51:33,341 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:51:38,105 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:51:38,105 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:51:38,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:51:38 BoogieIcfgContainer [2019-10-15 02:51:38,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:51:38,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:51:38,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:51:38,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:51:38,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:51:29" (1/3) ... [2019-10-15 02:51:38,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2741878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:51:38, skipping insertion in model container [2019-10-15 02:51:38,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:51:31" (2/3) ... [2019-10-15 02:51:38,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2741878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:51:38, skipping insertion in model container [2019-10-15 02:51:38,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:51:38" (3/3) ... [2019-10-15 02:51:38,119 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-15 02:51:38,131 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:51:38,147 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:51:38,161 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:51:38,210 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:51:38,211 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:51:38,211 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:51:38,211 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:51:38,211 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:51:38,211 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:51:38,212 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:51:38,212 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:51:38,266 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states. [2019-10-15 02:51:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-15 02:51:38,297 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:38,298 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:38,301 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:38,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:38,306 INFO L82 PathProgramCache]: Analyzing trace with hash -418511389, now seen corresponding path program 1 times [2019-10-15 02:51:38,316 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:38,316 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563862194] [2019-10-15 02:51:38,317 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:38,317 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:38,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-15 02:51:39,466 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563862194] [2019-10-15 02:51:39,467 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:39,468 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:39,468 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768249443] [2019-10-15 02:51:39,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:39,474 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:39,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:39,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:39,490 INFO L87 Difference]: Start difference. First operand 975 states. Second operand 3 states. [2019-10-15 02:51:39,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:39,749 INFO L93 Difference]: Finished difference Result 2324 states and 3237 transitions. [2019-10-15 02:51:39,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:39,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2019-10-15 02:51:39,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:39,796 INFO L225 Difference]: With dead ends: 2324 [2019-10-15 02:51:39,796 INFO L226 Difference]: Without dead ends: 1515 [2019-10-15 02:51:39,809 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:39,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2019-10-15 02:51:40,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1496. [2019-10-15 02:51:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2019-10-15 02:51:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2023 transitions. [2019-10-15 02:51:40,040 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2023 transitions. Word has length 236 [2019-10-15 02:51:40,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:40,045 INFO L462 AbstractCegarLoop]: Abstraction has 1496 states and 2023 transitions. [2019-10-15 02:51:40,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2023 transitions. [2019-10-15 02:51:40,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-15 02:51:40,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:40,065 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:40,066 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:40,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:40,066 INFO L82 PathProgramCache]: Analyzing trace with hash 676543671, now seen corresponding path program 1 times [2019-10-15 02:51:40,066 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:40,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727480786] [2019-10-15 02:51:40,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:40,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:40,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-15 02:51:40,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727480786] [2019-10-15 02:51:40,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:40,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:40,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512199106] [2019-10-15 02:51:40,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:40,387 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:40,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:40,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:40,388 INFO L87 Difference]: Start difference. First operand 1496 states and 2023 transitions. Second operand 3 states. [2019-10-15 02:51:40,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:40,658 INFO L93 Difference]: Finished difference Result 4250 states and 5741 transitions. [2019-10-15 02:51:40,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:40,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-15 02:51:40,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:40,686 INFO L225 Difference]: With dead ends: 4250 [2019-10-15 02:51:40,686 INFO L226 Difference]: Without dead ends: 2810 [2019-10-15 02:51:40,692 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:40,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2019-10-15 02:51:40,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2790. [2019-10-15 02:51:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2019-10-15 02:51:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3775 transitions. [2019-10-15 02:51:40,846 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3775 transitions. Word has length 238 [2019-10-15 02:51:40,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:40,848 INFO L462 AbstractCegarLoop]: Abstraction has 2790 states and 3775 transitions. [2019-10-15 02:51:40,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3775 transitions. [2019-10-15 02:51:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-15 02:51:40,854 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:40,854 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:40,854 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:40,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:40,855 INFO L82 PathProgramCache]: Analyzing trace with hash -170978756, now seen corresponding path program 1 times [2019-10-15 02:51:40,855 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:40,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064346216] [2019-10-15 02:51:40,855 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:40,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:40,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-15 02:51:41,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064346216] [2019-10-15 02:51:41,219 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:41,219 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:41,219 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744435904] [2019-10-15 02:51:41,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:41,221 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:41,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:41,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:41,223 INFO L87 Difference]: Start difference. First operand 2790 states and 3775 transitions. Second operand 3 states. [2019-10-15 02:51:41,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:41,616 INFO L93 Difference]: Finished difference Result 8128 states and 11009 transitions. [2019-10-15 02:51:41,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:41,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-15 02:51:41,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:41,669 INFO L225 Difference]: With dead ends: 8128 [2019-10-15 02:51:41,669 INFO L226 Difference]: Without dead ends: 5394 [2019-10-15 02:51:41,681 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:41,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5394 states. [2019-10-15 02:51:41,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5394 to 5390. [2019-10-15 02:51:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5390 states. [2019-10-15 02:51:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 5390 states and 7299 transitions. [2019-10-15 02:51:42,026 INFO L78 Accepts]: Start accepts. Automaton has 5390 states and 7299 transitions. Word has length 238 [2019-10-15 02:51:42,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:42,027 INFO L462 AbstractCegarLoop]: Abstraction has 5390 states and 7299 transitions. [2019-10-15 02:51:42,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5390 states and 7299 transitions. [2019-10-15 02:51:42,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-15 02:51:42,032 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:42,032 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:42,032 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:42,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:42,033 INFO L82 PathProgramCache]: Analyzing trace with hash -192058516, now seen corresponding path program 1 times [2019-10-15 02:51:42,033 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:42,033 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044677848] [2019-10-15 02:51:42,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:42,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:42,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-15 02:51:42,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044677848] [2019-10-15 02:51:42,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:42,326 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:42,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904738478] [2019-10-15 02:51:42,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:42,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:42,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:42,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:42,329 INFO L87 Difference]: Start difference. First operand 5390 states and 7299 transitions. Second operand 3 states. [2019-10-15 02:51:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:42,471 INFO L93 Difference]: Finished difference Result 5392 states and 7300 transitions. [2019-10-15 02:51:42,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:42,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-10-15 02:51:42,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:42,511 INFO L225 Difference]: With dead ends: 5392 [2019-10-15 02:51:42,512 INFO L226 Difference]: Without dead ends: 5389 [2019-10-15 02:51:42,518 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5389 states. [2019-10-15 02:51:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5389 to 5389. [2019-10-15 02:51:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5389 states. [2019-10-15 02:51:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 5389 states and 7297 transitions. [2019-10-15 02:51:42,937 INFO L78 Accepts]: Start accepts. Automaton has 5389 states and 7297 transitions. Word has length 241 [2019-10-15 02:51:42,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:42,938 INFO L462 AbstractCegarLoop]: Abstraction has 5389 states and 7297 transitions. [2019-10-15 02:51:42,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5389 states and 7297 transitions. [2019-10-15 02:51:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-15 02:51:42,943 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:42,944 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:42,944 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:42,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:42,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1659358162, now seen corresponding path program 1 times [2019-10-15 02:51:42,944 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:42,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960042738] [2019-10-15 02:51:42,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:42,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:42,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-15 02:51:43,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960042738] [2019-10-15 02:51:43,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:43,276 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:43,276 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195129202] [2019-10-15 02:51:43,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:43,278 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:43,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:43,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:43,278 INFO L87 Difference]: Start difference. First operand 5389 states and 7297 transitions. Second operand 3 states. [2019-10-15 02:51:43,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:43,414 INFO L93 Difference]: Finished difference Result 5391 states and 7298 transitions. [2019-10-15 02:51:43,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:43,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-10-15 02:51:43,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:43,445 INFO L225 Difference]: With dead ends: 5391 [2019-10-15 02:51:43,446 INFO L226 Difference]: Without dead ends: 5388 [2019-10-15 02:51:43,449 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:43,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2019-10-15 02:51:43,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 5388. [2019-10-15 02:51:43,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5388 states. [2019-10-15 02:51:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 7295 transitions. [2019-10-15 02:51:43,798 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 7295 transitions. Word has length 242 [2019-10-15 02:51:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:43,798 INFO L462 AbstractCegarLoop]: Abstraction has 5388 states and 7295 transitions. [2019-10-15 02:51:43,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 7295 transitions. [2019-10-15 02:51:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-15 02:51:43,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:43,806 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:43,806 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:43,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:43,806 INFO L82 PathProgramCache]: Analyzing trace with hash 98997935, now seen corresponding path program 1 times [2019-10-15 02:51:43,807 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:43,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631487527] [2019-10-15 02:51:43,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:43,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:43,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2019-10-15 02:51:44,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631487527] [2019-10-15 02:51:44,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:44,142 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:44,143 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626463809] [2019-10-15 02:51:44,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:44,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:44,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:44,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:44,144 INFO L87 Difference]: Start difference. First operand 5388 states and 7295 transitions. Second operand 3 states. [2019-10-15 02:51:44,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:44,396 INFO L93 Difference]: Finished difference Result 11684 states and 15911 transitions. [2019-10-15 02:51:44,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:44,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-15 02:51:44,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:44,439 INFO L225 Difference]: With dead ends: 11684 [2019-10-15 02:51:44,439 INFO L226 Difference]: Without dead ends: 6341 [2019-10-15 02:51:44,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:44,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6341 states. [2019-10-15 02:51:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6341 to 6291. [2019-10-15 02:51:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6291 states. [2019-10-15 02:51:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6291 states to 6291 states and 8456 transitions. [2019-10-15 02:51:44,803 INFO L78 Accepts]: Start accepts. Automaton has 6291 states and 8456 transitions. Word has length 243 [2019-10-15 02:51:44,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:44,804 INFO L462 AbstractCegarLoop]: Abstraction has 6291 states and 8456 transitions. [2019-10-15 02:51:44,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 6291 states and 8456 transitions. [2019-10-15 02:51:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-10-15 02:51:44,813 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:44,813 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:44,814 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:44,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:44,814 INFO L82 PathProgramCache]: Analyzing trace with hash 498363942, now seen corresponding path program 1 times [2019-10-15 02:51:44,815 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:44,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280933873] [2019-10-15 02:51:44,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:44,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:44,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-10-15 02:51:45,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280933873] [2019-10-15 02:51:45,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:45,345 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:45,345 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225088059] [2019-10-15 02:51:45,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:45,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:45,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:45,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:45,346 INFO L87 Difference]: Start difference. First operand 6291 states and 8456 transitions. Second operand 3 states. [2019-10-15 02:51:45,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:45,910 INFO L93 Difference]: Finished difference Result 18574 states and 24899 transitions. [2019-10-15 02:51:45,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:45,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2019-10-15 02:51:45,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:46,016 INFO L225 Difference]: With dead ends: 18574 [2019-10-15 02:51:46,017 INFO L226 Difference]: Without dead ends: 12339 [2019-10-15 02:51:46,055 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:46,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12339 states. [2019-10-15 02:51:46,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12339 to 12325. [2019-10-15 02:51:46,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12325 states. [2019-10-15 02:51:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12325 states to 12325 states and 16502 transitions. [2019-10-15 02:51:46,836 INFO L78 Accepts]: Start accepts. Automaton has 12325 states and 16502 transitions. Word has length 322 [2019-10-15 02:51:46,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:46,837 INFO L462 AbstractCegarLoop]: Abstraction has 12325 states and 16502 transitions. [2019-10-15 02:51:46,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 12325 states and 16502 transitions. [2019-10-15 02:51:46,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-15 02:51:46,846 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:46,847 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:46,847 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:46,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:46,848 INFO L82 PathProgramCache]: Analyzing trace with hash 429742173, now seen corresponding path program 1 times [2019-10-15 02:51:46,848 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:46,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367209461] [2019-10-15 02:51:46,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:46,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:46,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2019-10-15 02:51:47,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367209461] [2019-10-15 02:51:47,301 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:47,301 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:47,302 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094878455] [2019-10-15 02:51:47,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:47,303 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:47,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:47,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:47,304 INFO L87 Difference]: Start difference. First operand 12325 states and 16502 transitions. Second operand 3 states. [2019-10-15 02:51:48,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:48,306 INFO L93 Difference]: Finished difference Result 34257 states and 45766 transitions. [2019-10-15 02:51:48,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:48,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2019-10-15 02:51:48,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:48,411 INFO L225 Difference]: With dead ends: 34257 [2019-10-15 02:51:48,412 INFO L226 Difference]: Without dead ends: 21988 [2019-10-15 02:51:48,459 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:48,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21988 states. [2019-10-15 02:51:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21988 to 21975. [2019-10-15 02:51:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21975 states. [2019-10-15 02:51:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21975 states to 21975 states and 29316 transitions. [2019-10-15 02:51:49,423 INFO L78 Accepts]: Start accepts. Automaton has 21975 states and 29316 transitions. Word has length 325 [2019-10-15 02:51:49,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:49,424 INFO L462 AbstractCegarLoop]: Abstraction has 21975 states and 29316 transitions. [2019-10-15 02:51:49,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 21975 states and 29316 transitions. [2019-10-15 02:51:49,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-10-15 02:51:49,438 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:49,438 INFO L380 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:49,439 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:49,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:49,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1657026636, now seen corresponding path program 1 times [2019-10-15 02:51:49,439 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:49,440 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536882044] [2019-10-15 02:51:49,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:49,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:49,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2019-10-15 02:51:50,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536882044] [2019-10-15 02:51:50,965 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:50,965 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:50,966 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634747488] [2019-10-15 02:51:50,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:50,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:50,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:50,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:50,968 INFO L87 Difference]: Start difference. First operand 21975 states and 29316 transitions. Second operand 3 states. [2019-10-15 02:51:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:51,702 INFO L93 Difference]: Finished difference Result 25143 states and 33164 transitions. [2019-10-15 02:51:51,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:51,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 379 [2019-10-15 02:51:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:51,811 INFO L225 Difference]: With dead ends: 25143 [2019-10-15 02:51:51,811 INFO L226 Difference]: Without dead ends: 21227 [2019-10-15 02:51:51,836 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:51,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21227 states. [2019-10-15 02:51:52,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21227 to 21075. [2019-10-15 02:51:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21075 states. [2019-10-15 02:51:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21075 states to 21075 states and 27980 transitions. [2019-10-15 02:51:52,843 INFO L78 Accepts]: Start accepts. Automaton has 21075 states and 27980 transitions. Word has length 379 [2019-10-15 02:51:52,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:52,845 INFO L462 AbstractCegarLoop]: Abstraction has 21075 states and 27980 transitions. [2019-10-15 02:51:52,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 21075 states and 27980 transitions. [2019-10-15 02:51:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-10-15 02:51:52,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:52,910 INFO L380 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:52,911 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:52,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:52,911 INFO L82 PathProgramCache]: Analyzing trace with hash -360452816, now seen corresponding path program 1 times [2019-10-15 02:51:52,911 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:52,911 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814081232] [2019-10-15 02:51:52,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:52,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:52,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2019-10-15 02:51:53,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814081232] [2019-10-15 02:51:53,860 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:53,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 02:51:53,860 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844573493] [2019-10-15 02:51:53,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 02:51:53,862 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:53,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 02:51:53,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 02:51:53,862 INFO L87 Difference]: Start difference. First operand 21075 states and 27980 transitions. Second operand 7 states. [2019-10-15 02:51:55,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:55,003 INFO L93 Difference]: Finished difference Result 44110 states and 59416 transitions. [2019-10-15 02:51:55,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 02:51:55,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 452 [2019-10-15 02:51:55,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:55,126 INFO L225 Difference]: With dead ends: 44110 [2019-10-15 02:51:55,127 INFO L226 Difference]: Without dead ends: 23091 [2019-10-15 02:51:55,193 INFO L600 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 [2019-10-15 02:51:55,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23091 states. [2019-10-15 02:51:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23091 to 22451. [2019-10-15 02:51:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22451 states. [2019-10-15 02:51:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22451 states to 22451 states and 29940 transitions. [2019-10-15 02:51:56,171 INFO L78 Accepts]: Start accepts. Automaton has 22451 states and 29940 transitions. Word has length 452 [2019-10-15 02:51:56,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:56,172 INFO L462 AbstractCegarLoop]: Abstraction has 22451 states and 29940 transitions. [2019-10-15 02:51:56,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 02:51:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 22451 states and 29940 transitions. [2019-10-15 02:51:56,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-10-15 02:51:56,268 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:56,268 INFO L380 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:56,269 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:56,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:56,270 INFO L82 PathProgramCache]: Analyzing trace with hash 330343070, now seen corresponding path program 1 times [2019-10-15 02:51:56,270 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:56,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481829040] [2019-10-15 02:51:56,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:56,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:56,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY