/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:35:17,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:35:17,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:35:17,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:35:17,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:35:17,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:35:17,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:35:17,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:35:17,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:35:17,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:35:17,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:35:17,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:35:17,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:35:17,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:35:17,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:35:17,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:35:17,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:35:17,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:35:17,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:35:17,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:35:17,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:35:17,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:35:17,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:35:17,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:35:17,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:35:17,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:35:17,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:35:17,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:35:17,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:35:17,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:35:17,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:35:17,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:35:17,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:35:17,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:35:17,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:35:17,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:35:17,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:35:17,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:35:17,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:35:17,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:35:17,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:35:17,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 03:35:17,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:35:17,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:35:17,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:35:17,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:35:17,912 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:35:17,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:35:17,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:35:17,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:35:17,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:35:17,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:35:17,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:35:17,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:35:17,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:35:17,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:35:17,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:35:17,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:35:17,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:35:17,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:35:17,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:35:17,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:35:17,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:35:17,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:35:17,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:35:17,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:35:17,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:35:17,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:35:17,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:35:17,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:35:17,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 03:35:18,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:35:18,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:35:18,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:35:18,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:35:18,263 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:35:18,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-11-07 03:35:18,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9885a9af/8456cfbc21a74ed486c1261f259d1cf1/FLAG5956d1691 [2019-11-07 03:35:19,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:35:19,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-11-07 03:35:19,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9885a9af/8456cfbc21a74ed486c1261f259d1cf1/FLAG5956d1691 [2019-11-07 03:35:19,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9885a9af/8456cfbc21a74ed486c1261f259d1cf1 [2019-11-07 03:35:19,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:35:19,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:35:19,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:35:19,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:35:19,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:35:19,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:19" (1/1) ... [2019-11-07 03:35:19,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3a9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:19, skipping insertion in model container [2019-11-07 03:35:19,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:19" (1/1) ... [2019-11-07 03:35:19,290 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:35:19,407 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:35:20,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:35:21,040 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:35:21,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:35:21,679 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:35:21,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21 WrapperNode [2019-11-07 03:35:21,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:35:21,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:35:21,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:35:21,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:35:21,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (1/1) ... [2019-11-07 03:35:21,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (1/1) ... [2019-11-07 03:35:21,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (1/1) ... [2019-11-07 03:35:21,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (1/1) ... [2019-11-07 03:35:21,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (1/1) ... [2019-11-07 03:35:21,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (1/1) ... [2019-11-07 03:35:21,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (1/1) ... [2019-11-07 03:35:22,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:35:22,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:35:22,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:35:22,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:35:22,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:35:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:35:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:35:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-07 03:35:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 03:35:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:35:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-07 03:35:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-11-07 03:35:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 03:35:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-07 03:35:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-11-07 03:35:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-07 03:35:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-11-07 03:35:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-11-07 03:35:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-11-07 03:35:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-11-07 03:35:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-11-07 03:35:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-11-07 03:35:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-11-07 03:35:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 03:35:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-07 03:35:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-07 03:35:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 03:35:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-11-07 03:35:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ns [2019-11-07 03:35:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-07 03:35:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-11-07 03:35:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 03:35:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 03:35:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 03:35:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 03:35:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 03:35:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 03:35:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 03:35:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 03:35:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 03:35:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 03:35:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 03:35:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2019-11-07 03:35:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_run_poll_handler [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bind_driver [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_find_driver [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_event [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_event [2019-11-07 03:35:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_duplicate_events [2019-11-07 03:35:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2019-11-07 03:35:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_queue_event [2019-11-07 03:35:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_pending_events [2019-11-07 03:35:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_pending_child [2019-11-07 03:35:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_description_show [2019-11-07 03:35:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure drvctl_store [2019-11-07 03:35:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_release_port [2019-11-07 03:35:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-11-07 03:35:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init_port [2019-11-07 03:35:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2019-11-07 03:35:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_destroy_port [2019-11-07 03:35:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_reconnect_port [2019-11-07 03:35:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_disconnect_port [2019-11-07 03:35:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-11-07 03:35:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-11-07 03:35:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure description_show [2019-11-07 03:35:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_probe [2019-11-07 03:35:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2019-11-07 03:35:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_attach_driver [2019-11-07 03:35:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-11-07 03:35:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-11-07 03:35:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bus_match [2019-11-07 03:35:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drv [2019-11-07 03:35:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-11-07 03:35:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-11-07 03:35:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init [2019-11-07 03:35:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_exit [2019-11-07 03:35:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_3 [2019-11-07 03:35:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-11-07 03:35:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-11-07 03:35:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-11-07 03:35:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-11-07 03:35:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-11-07 03:35:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-11-07 03:35:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-11-07 03:35:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-11-07 03:35:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-11-07 03:35:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-11-07 03:35:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:35:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-11-07 03:35:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-11-07 03:35:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-11-07 03:35:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-11-07 03:35:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-11-07 03:35:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_10 [2019-11-07 03:35:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_11 [2019-11-07 03:35:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_12 [2019-11-07 03:35:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-11-07 03:35:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-11-07 03:35:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-11-07 03:35:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_16 [2019-11-07 03:35:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-11-07 03:35:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_18 [2019-11-07 03:35:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 03:35:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 03:35:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 03:35:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 03:35:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 03:35:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-11-07 03:35:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-11-07 03:35:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-11-07 03:35:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-11-07 03:35:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-11-07 03:35:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 03:35:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 03:35:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-11-07 03:35:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-11-07 03:35:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 03:35:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 03:35:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-11-07 03:35:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-07 03:35:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-07 03:35:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 03:35:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-07 03:35:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:35:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-11-07 03:35:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2019-11-07 03:35:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-11-07 03:35:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-11-07 03:35:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-11-07 03:35:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-07 03:35:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-11-07 03:35:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-11-07 03:35:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-11-07 03:35:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2019-11-07 03:35:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure device_bind_driver [2019-11-07 03:35:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-11-07 03:35:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-11-07 03:35:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-11-07 03:35:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2019-11-07 03:35:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_find [2019-11-07 03:35:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-11-07 03:35:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-11-07 03:35:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-11-07 03:35:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-11-07 03:35:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-11-07 03:35:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-11-07 03:35:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 03:35:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-11-07 03:35:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-11-07 03:35:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-07 03:35:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 03:35:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 03:35:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-11-07 03:35:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-11-07 03:35:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-07 03:35:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-11-07 03:35:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-11-07 03:35:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 03:35:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 03:35:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 03:35:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 03:35:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:35:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-11-07 03:35:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 03:35:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-11-07 03:35:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 03:35:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 03:35:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-11-07 03:35:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 03:35:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:35:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 03:35:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-07 03:35:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:35:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-11-07 03:35:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-11-07 03:35:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-11-07 03:35:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-11-07 03:35:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-11-07 03:35:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-11-07 03:35:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-11-07 03:35:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-11-07 03:35:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-11-07 03:35:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 03:35:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-07 03:35:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 03:35:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-07 03:35:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:35:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 03:35:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-07 03:35:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-07 03:35:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 03:35:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 03:35:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-07 03:35:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-11-07 03:35:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 03:35:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-11-07 03:35:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-11-07 03:35:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-11-07 03:35:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ns [2019-11-07 03:35:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:35:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:35:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:35:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:35:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-11-07 03:35:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_11 [2019-11-07 03:35:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-11-07 03:35:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_10 [2019-11-07 03:35:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_12 [2019-11-07 03:35:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-11-07 03:35:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-11-07 03:35:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-07 03:35:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-11-07 03:35:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-11-07 03:35:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-11-07 03:35:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-11-07 03:35:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-11-07 03:35:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-11-07 03:35:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-11-07 03:35:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-11-07 03:35:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_18 [2019-11-07 03:35:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-07 03:35:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-11-07 03:35:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_16 [2019-11-07 03:35:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-11-07 03:35:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-11-07 03:35:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-11-07 03:35:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-11-07 03:35:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-11-07 03:35:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-11-07 03:35:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 03:35:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 03:35:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:35:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 03:35:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 03:35:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 03:35:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 03:35:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 03:35:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 03:35:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 03:35:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 03:35:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 03:35:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_3 [2019-11-07 03:35:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-11-07 03:35:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-11-07 03:35:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-11-07 03:35:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-11-07 03:35:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-11-07 03:35:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-11-07 03:35:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-11-07 03:35:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-11-07 03:35:22,170 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-11-07 03:35:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-11-07 03:35:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-11-07 03:35:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2019-11-07 03:35:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-11-07 03:35:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-11-07 03:35:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure driver_find [2019-11-07 03:35:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-11-07 03:35:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2019-11-07 03:35:22,172 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-11-07 03:35:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-11-07 03:35:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-11-07 03:35:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure device_bind_driver [2019-11-07 03:35:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-11-07 03:35:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2019-11-07 03:35:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2019-11-07 03:35:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-11-07 03:35:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-07 03:35:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-11-07 03:35:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-07 03:35:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-11-07 03:35:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-11-07 03:35:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-11-07 03:35:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-11-07 03:35:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_attach_driver [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_reconnect_port [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_disconnect_port [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_run_poll_handler [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bind_driver [2019-11-07 03:35:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_find_driver [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_event [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_event [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_duplicate_events [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_queue_event [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_pending_events [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_pending_child [2019-11-07 03:35:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_description_show [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure drvctl_store [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_release_port [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init_port [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_destroy_port [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure description_show [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_probe [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bus_match [2019-11-07 03:35:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drv [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_exit [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 03:35:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 03:35:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 03:35:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 03:35:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-11-07 03:35:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-11-07 03:35:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 03:35:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 03:35:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:35:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:35:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 03:35:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:35:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:35:23,172 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 03:35:24,781 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-11-07 03:35:27,317 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:35:27,317 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 03:35:27,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:27 BoogieIcfgContainer [2019-11-07 03:35:27,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:35:27,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:35:27,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:35:27,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:35:27,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:35:19" (1/3) ... [2019-11-07 03:35:27,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b544224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:27, skipping insertion in model container [2019-11-07 03:35:27,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:21" (2/3) ... [2019-11-07 03:35:27,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b544224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:27, skipping insertion in model container [2019-11-07 03:35:27,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:27" (3/3) ... [2019-11-07 03:35:27,326 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-11-07 03:35:27,336 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:35:27,346 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:35:27,359 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:35:27,400 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:35:27,400 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:35:27,400 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:35:27,400 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:35:27,400 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:35:27,400 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:35:27,400 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:35:27,402 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:35:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states. [2019-11-07 03:35:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-07 03:35:27,481 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:27,483 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:35:27,485 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:27,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:27,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1321671801, now seen corresponding path program 1 times [2019-11-07 03:35:27,499 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:27,500 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426917799] [2019-11-07 03:35:27,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-11-07 03:35:28,534 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426917799] [2019-11-07 03:35:28,535 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:28,536 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:28,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863034304] [2019-11-07 03:35:28,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:28,545 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:28,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:28,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:28,567 INFO L87 Difference]: Start difference. First operand 863 states. Second operand 3 states. [2019-11-07 03:35:28,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:28,920 INFO L93 Difference]: Finished difference Result 2145 states and 2850 transitions. [2019-11-07 03:35:28,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:35:28,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-11-07 03:35:28,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:28,969 INFO L225 Difference]: With dead ends: 2145 [2019-11-07 03:35:28,969 INFO L226 Difference]: Without dead ends: 1394 [2019-11-07 03:35:28,985 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:29,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2019-11-07 03:35:29,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1370. [2019-11-07 03:35:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2019-11-07 03:35:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1737 transitions. [2019-11-07 03:35:29,187 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1737 transitions. Word has length 130 [2019-11-07 03:35:29,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:29,188 INFO L462 AbstractCegarLoop]: Abstraction has 1370 states and 1737 transitions. [2019-11-07 03:35:29,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:35:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1737 transitions. [2019-11-07 03:35:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-07 03:35:29,193 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:29,194 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:35:29,194 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:29,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:29,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1401293153, now seen corresponding path program 1 times [2019-11-07 03:35:29,195 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:29,195 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676254447] [2019-11-07 03:35:29,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-11-07 03:35:29,473 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676254447] [2019-11-07 03:35:29,473 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:29,473 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:29,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908203660] [2019-11-07 03:35:29,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:29,476 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:29,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:29,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:29,477 INFO L87 Difference]: Start difference. First operand 1370 states and 1737 transitions. Second operand 3 states. [2019-11-07 03:35:29,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:29,548 INFO L93 Difference]: Finished difference Result 2690 states and 3517 transitions. [2019-11-07 03:35:29,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:35:29,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-11-07 03:35:29,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:29,563 INFO L225 Difference]: With dead ends: 2690 [2019-11-07 03:35:29,563 INFO L226 Difference]: Without dead ends: 1347 [2019-11-07 03:35:29,569 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:29,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2019-11-07 03:35:29,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1346. [2019-11-07 03:35:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2019-11-07 03:35:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1707 transitions. [2019-11-07 03:35:29,652 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1707 transitions. Word has length 127 [2019-11-07 03:35:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:29,653 INFO L462 AbstractCegarLoop]: Abstraction has 1346 states and 1707 transitions. [2019-11-07 03:35:29,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:35:29,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1707 transitions. [2019-11-07 03:35:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-07 03:35:29,656 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:29,657 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:35:29,657 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:29,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:29,657 INFO L82 PathProgramCache]: Analyzing trace with hash -849297493, now seen corresponding path program 1 times [2019-11-07 03:35:29,657 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:29,658 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603066408] [2019-11-07 03:35:29,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:30,099 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-11-07 03:35:30,100 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603066408] [2019-11-07 03:35:30,100 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:30,101 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:35:30,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517370776] [2019-11-07 03:35:30,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:35:30,102 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:30,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:35:30,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:35:30,104 INFO L87 Difference]: Start difference. First operand 1346 states and 1707 transitions. Second operand 5 states. [2019-11-07 03:35:32,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:32,118 INFO L93 Difference]: Finished difference Result 5123 states and 6637 transitions. [2019-11-07 03:35:32,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 03:35:32,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2019-11-07 03:35:32,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:32,141 INFO L225 Difference]: With dead ends: 5123 [2019-11-07 03:35:32,141 INFO L226 Difference]: Without dead ends: 3824 [2019-11-07 03:35:32,146 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:35:32,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2019-11-07 03:35:32,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3762. [2019-11-07 03:35:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3762 states. [2019-11-07 03:35:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 4903 transitions. [2019-11-07 03:35:32,348 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 4903 transitions. Word has length 133 [2019-11-07 03:35:32,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:32,349 INFO L462 AbstractCegarLoop]: Abstraction has 3762 states and 4903 transitions. [2019-11-07 03:35:32,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:35:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 4903 transitions. [2019-11-07 03:35:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-07 03:35:32,353 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:32,353 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:35:32,353 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:32,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:32,354 INFO L82 PathProgramCache]: Analyzing trace with hash 620958302, now seen corresponding path program 1 times [2019-11-07 03:35:32,354 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:32,354 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940333239] [2019-11-07 03:35:32,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-11-07 03:35:32,604 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940333239] [2019-11-07 03:35:32,605 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:32,605 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:32,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865181644] [2019-11-07 03:35:32,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:32,606 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:32,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:32,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:32,607 INFO L87 Difference]: Start difference. First operand 3762 states and 4903 transitions. Second operand 3 states. [2019-11-07 03:35:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:33,143 INFO L93 Difference]: Finished difference Result 10796 states and 14029 transitions. [2019-11-07 03:35:33,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:35:33,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-07 03:35:33,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:33,199 INFO L225 Difference]: With dead ends: 10796 [2019-11-07 03:35:33,200 INFO L226 Difference]: Without dead ends: 7081 [2019-11-07 03:35:33,216 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:33,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7081 states. [2019-11-07 03:35:33,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7081 to 7077. [2019-11-07 03:35:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7077 states. [2019-11-07 03:35:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7077 states to 7077 states and 9174 transitions. [2019-11-07 03:35:33,606 INFO L78 Accepts]: Start accepts. Automaton has 7077 states and 9174 transitions. Word has length 150 [2019-11-07 03:35:33,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:33,607 INFO L462 AbstractCegarLoop]: Abstraction has 7077 states and 9174 transitions. [2019-11-07 03:35:33,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:35:33,607 INFO L276 IsEmpty]: Start isEmpty. Operand 7077 states and 9174 transitions. [2019-11-07 03:35:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-07 03:35:33,612 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:33,613 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 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] [2019-11-07 03:35:33,613 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:33,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:33,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1235945513, now seen corresponding path program 1 times [2019-11-07 03:35:33,614 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:33,614 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021636927] [2019-11-07 03:35:33,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2019-11-07 03:35:33,963 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021636927] [2019-11-07 03:35:33,963 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:33,964 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:33,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049075396] [2019-11-07 03:35:33,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:33,965 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:33,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:33,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:33,965 INFO L87 Difference]: Start difference. First operand 7077 states and 9174 transitions. Second operand 3 states. [2019-11-07 03:35:34,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:34,778 INFO L93 Difference]: Finished difference Result 17609 states and 22846 transitions. [2019-11-07 03:35:34,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:35:34,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-11-07 03:35:34,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:34,862 INFO L225 Difference]: With dead ends: 17609 [2019-11-07 03:35:34,863 INFO L226 Difference]: Without dead ends: 10579 [2019-11-07 03:35:34,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:34,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10579 states. [2019-11-07 03:35:35,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10579 to 10575. [2019-11-07 03:35:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10575 states. [2019-11-07 03:35:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10575 states to 10575 states and 13696 transitions. [2019-11-07 03:35:35,518 INFO L78 Accepts]: Start accepts. Automaton has 10575 states and 13696 transitions. Word has length 164 [2019-11-07 03:35:35,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:35,521 INFO L462 AbstractCegarLoop]: Abstraction has 10575 states and 13696 transitions. [2019-11-07 03:35:35,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:35:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 10575 states and 13696 transitions. [2019-11-07 03:35:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-07 03:35:35,525 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:35,526 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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] [2019-11-07 03:35:35,526 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:35,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:35,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1530536242, now seen corresponding path program 1 times [2019-11-07 03:35:35,527 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:35,527 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763233358] [2019-11-07 03:35:35,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-11-07 03:35:36,735 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763233358] [2019-11-07 03:35:36,736 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:36,736 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 03:35:36,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958070110] [2019-11-07 03:35:36,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 03:35:36,737 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:36,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 03:35:36,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 03:35:36,738 INFO L87 Difference]: Start difference. First operand 10575 states and 13696 transitions. Second operand 6 states. [2019-11-07 03:35:37,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:37,205 INFO L93 Difference]: Finished difference Result 21247 states and 28302 transitions. [2019-11-07 03:35:37,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 03:35:37,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-11-07 03:35:37,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:37,310 INFO L225 Difference]: With dead ends: 21247 [2019-11-07 03:35:37,311 INFO L226 Difference]: Without dead ends: 10719 [2019-11-07 03:35:37,365 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 03:35:37,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10719 states. [2019-11-07 03:35:37,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10719 to 10683. [2019-11-07 03:35:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10683 states. [2019-11-07 03:35:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10683 states to 10683 states and 13858 transitions. [2019-11-07 03:35:38,009 INFO L78 Accepts]: Start accepts. Automaton has 10683 states and 13858 transitions. Word has length 176 [2019-11-07 03:35:38,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:38,010 INFO L462 AbstractCegarLoop]: Abstraction has 10683 states and 13858 transitions. [2019-11-07 03:35:38,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 03:35:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 10683 states and 13858 transitions. [2019-11-07 03:35:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-07 03:35:38,016 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:38,016 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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] [2019-11-07 03:35:38,016 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:38,017 INFO L82 PathProgramCache]: Analyzing trace with hash -400929163, now seen corresponding path program 1 times [2019-11-07 03:35:38,017 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:38,017 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900038452] [2019-11-07 03:35:38,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-11-07 03:35:38,545 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900038452] [2019-11-07 03:35:38,546 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:38,546 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:38,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936857229] [2019-11-07 03:35:38,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:38,547 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:38,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:38,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:38,547 INFO L87 Difference]: Start difference. First operand 10683 states and 13858 transitions. Second operand 3 states. [2019-11-07 03:35:39,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:39,024 INFO L93 Difference]: Finished difference Result 21283 states and 27617 transitions. [2019-11-07 03:35:39,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:35:39,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-11-07 03:35:39,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:39,083 INFO L225 Difference]: With dead ends: 21283 [2019-11-07 03:35:39,084 INFO L226 Difference]: Without dead ends: 10647 [2019-11-07 03:35:39,121 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10647 states. [2019-11-07 03:35:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10647 to 10647. [2019-11-07 03:35:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10647 states. [2019-11-07 03:35:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10647 states to 10647 states and 13768 transitions. [2019-11-07 03:35:39,861 INFO L78 Accepts]: Start accepts. Automaton has 10647 states and 13768 transitions. Word has length 186 [2019-11-07 03:35:39,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:39,862 INFO L462 AbstractCegarLoop]: Abstraction has 10647 states and 13768 transitions. [2019-11-07 03:35:39,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:35:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 10647 states and 13768 transitions. [2019-11-07 03:35:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-07 03:35:39,867 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:39,867 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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] [2019-11-07 03:35:39,867 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:39,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:39,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1520886530, now seen corresponding path program 1 times [2019-11-07 03:35:39,868 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:39,868 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473898942] [2019-11-07 03:35:39,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-11-07 03:35:40,140 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473898942] [2019-11-07 03:35:40,140 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:40,140 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:40,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519672634] [2019-11-07 03:35:40,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:40,141 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:40,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:40,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:40,142 INFO L87 Difference]: Start difference. First operand 10647 states and 13768 transitions. Second operand 3 states. [2019-11-07 03:35:40,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:40,866 INFO L93 Difference]: Finished difference Result 31703 states and 40974 transitions. [2019-11-07 03:35:40,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:35:40,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-11-07 03:35:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:41,129 INFO L225 Difference]: With dead ends: 31703 [2019-11-07 03:35:41,130 INFO L226 Difference]: Without dead ends: 21103 [2019-11-07 03:35:41,161 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:41,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21103 states. [2019-11-07 03:35:42,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21103 to 21099. [2019-11-07 03:35:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21099 states. [2019-11-07 03:35:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21099 states to 21099 states and 27242 transitions. [2019-11-07 03:35:42,142 INFO L78 Accepts]: Start accepts. Automaton has 21099 states and 27242 transitions. Word has length 181 [2019-11-07 03:35:42,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:42,142 INFO L462 AbstractCegarLoop]: Abstraction has 21099 states and 27242 transitions. [2019-11-07 03:35:42,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:35:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 21099 states and 27242 transitions. [2019-11-07 03:35:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-07 03:35:42,149 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:42,150 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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] [2019-11-07 03:35:42,150 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:42,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:42,150 INFO L82 PathProgramCache]: Analyzing trace with hash 130845868, now seen corresponding path program 1 times [2019-11-07 03:35:42,151 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:42,151 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114538647] [2019-11-07 03:35:42,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-11-07 03:35:42,399 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114538647] [2019-11-07 03:35:42,399 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:42,399 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:35:42,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180863708] [2019-11-07 03:35:42,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:35:42,401 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:42,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:35:42,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:35:42,402 INFO L87 Difference]: Start difference. First operand 21099 states and 27242 transitions. Second operand 5 states. [2019-11-07 03:35:46,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:35:46,253 INFO L93 Difference]: Finished difference Result 42151 states and 54439 transitions. [2019-11-07 03:35:46,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 03:35:46,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2019-11-07 03:35:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:35:46,366 INFO L225 Difference]: With dead ends: 42151 [2019-11-07 03:35:46,366 INFO L226 Difference]: Without dead ends: 21099 [2019-11-07 03:35:46,419 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:35:46,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21099 states. [2019-11-07 03:35:48,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21099 to 21027. [2019-11-07 03:35:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21027 states. [2019-11-07 03:35:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21027 states to 21027 states and 27062 transitions. [2019-11-07 03:35:48,235 INFO L78 Accepts]: Start accepts. Automaton has 21027 states and 27062 transitions. Word has length 188 [2019-11-07 03:35:48,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:35:48,236 INFO L462 AbstractCegarLoop]: Abstraction has 21027 states and 27062 transitions. [2019-11-07 03:35:48,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:35:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 21027 states and 27062 transitions. [2019-11-07 03:35:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-07 03:35:48,242 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:35:48,242 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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] [2019-11-07 03:35:48,243 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:35:48,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:35:48,243 INFO L82 PathProgramCache]: Analyzing trace with hash -817931523, now seen corresponding path program 1 times [2019-11-07 03:35:48,243 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:35:48,244 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426726867] [2019-11-07 03:35:48,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:35:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:35:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-11-07 03:35:48,576 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426726867] [2019-11-07 03:35:48,576 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:35:48,576 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:35:48,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754353167] [2019-11-07 03:35:48,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:35:48,577 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:35:48,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:35:48,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:35:48,578 INFO L87 Difference]: Start difference. First operand 21027 states and 27062 transitions. Second operand 3 states.