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 0.1.24-13a467a-m [2019-10-15 02:47:45,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:47:45,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:47:45,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:47:45,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:47:45,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:47:45,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:47:45,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:47:45,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:47:45,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:47:45,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:47:45,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:47:45,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:47:45,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:47:45,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:47:45,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:47:45,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:47:45,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:47:45,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:47:45,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:47:45,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:47:45,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:47:45,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:47:45,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:47:45,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:47:45,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:47:45,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:47:45,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:47:45,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:47:45,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:47:45,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:47:45,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:47:45,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:47:45,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:47:45,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:47:45,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:47:45,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:47:45,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:47:45,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:47:45,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:47:45,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:47:45,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:47:45,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:47:45,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:47:45,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:47:45,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:47:45,176 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:47:45,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:47:45,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:47:45,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:47:45,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:47:45,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:47:45,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:47:45,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:47:45,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:47:45,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:47:45,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:47:45,179 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:47:45,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:47:45,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:47:45,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:47:45,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:47:45,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:47:45,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:47:45,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:47:45,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:47:45,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:47:45,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:47:45,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:47:45,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:47:45,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:47:45,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:47:45,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:47:45,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:47:45,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:47:45,483 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:47:45,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-15 02:47:45,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9592fa52d/d3b99b4cdb4e4c098772bd4d8adfaa8e/FLAGb99c8bca0 [2019-10-15 02:47:46,371 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:47:46,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-15 02:47:46,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9592fa52d/d3b99b4cdb4e4c098772bd4d8adfaa8e/FLAGb99c8bca0 [2019-10-15 02:47:46,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9592fa52d/d3b99b4cdb4e4c098772bd4d8adfaa8e [2019-10-15 02:47:46,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:47:46,479 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:47:46,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:47:46,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:47:46,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:47:46,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:47:46" (1/1) ... [2019-10-15 02:47:46,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2145fe62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:46, skipping insertion in model container [2019-10-15 02:47:46,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:47:46" (1/1) ... [2019-10-15 02:47:46,496 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:47:46,609 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:47:48,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:47:48,164 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:47:48,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:47:48,635 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:47:48,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48 WrapperNode [2019-10-15 02:47:48,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:47:48,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:47:48,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:47:48,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:47:48,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (1/1) ... [2019-10-15 02:47:48,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (1/1) ... [2019-10-15 02:47:48,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (1/1) ... [2019-10-15 02:47:48,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (1/1) ... [2019-10-15 02:47:48,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (1/1) ... [2019-10-15 02:47:48,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (1/1) ... [2019-10-15 02:47:48,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (1/1) ... [2019-10-15 02:47:48,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:47:48,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:47:48,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:47:48,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:47:48,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:47:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:47:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:47:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:47:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:47:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:47:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 02:47:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 02:47:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 02:47:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 02:47:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-15 02:47:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 02:47:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-15 02:47:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-15 02:47:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-15 02:47:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-15 02:47:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-15 02:47:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-15 02:47:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-15 02:47:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:47:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:47:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:47:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:47:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-15 02:47:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ns [2019-10-15 02:47:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-15 02:47:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-15 02:47:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:47:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:47:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:47:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:47:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:47:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:47:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:47:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:47:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:47:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:47:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:47:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2019-10-15 02:47:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-10-15 02:47:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2019-10-15 02:47:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2019-10-15 02:47:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-10-15 02:47:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-10-15 02:47:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_run_poll_handler [2019-10-15 02:47:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bind_driver [2019-10-15 02:47:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_find_driver [2019-10-15 02:47:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_event [2019-10-15 02:47:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_event [2019-10-15 02:47:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_duplicate_events [2019-10-15 02:47:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2019-10-15 02:47:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_queue_event [2019-10-15 02:47:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_pending_events [2019-10-15 02:47:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_pending_child [2019-10-15 02:47:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_description_show [2019-10-15 02:47:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure drvctl_store [2019-10-15 02:47:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_release_port [2019-10-15 02:47:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-10-15 02:47:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init_port [2019-10-15 02:47:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2019-10-15 02:47:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_destroy_port [2019-10-15 02:47:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_reconnect_port [2019-10-15 02:47:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_disconnect_port [2019-10-15 02:47:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-10-15 02:47:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-10-15 02:47:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure description_show [2019-10-15 02:47:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_probe [2019-10-15 02:47:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2019-10-15 02:47:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_attach_driver [2019-10-15 02:47:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-10-15 02:47:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-10-15 02:47:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bus_match [2019-10-15 02:47:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drv [2019-10-15 02:47:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-10-15 02:47:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-10-15 02:47:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init [2019-10-15 02:47:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_exit [2019-10-15 02:47:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_3 [2019-10-15 02:47:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-15 02:47:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 02:47:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 02:47:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-15 02:47:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 02:47:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-15 02:47:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 02:47:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-15 02:47:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-15 02:47:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-15 02:47:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:47:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-15 02:47:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-15 02:47:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-15 02:47:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-15 02:47:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-15 02:47:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_10 [2019-10-15 02:47:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_11 [2019-10-15 02:47:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_12 [2019-10-15 02:47:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-10-15 02:47:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-10-15 02:47:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-10-15 02:47:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_16 [2019-10-15 02:47:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-10-15 02:47:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_18 [2019-10-15 02:47:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:47:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:47:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:47:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:47:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:47:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-15 02:47:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-15 02:47:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-15 02:47:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-15 02:47:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-15 02:47:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:47:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 02:47:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 02:47:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-15 02:47:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 02:47:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:47:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-10-15 02:47:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 02:47:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:47:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:47:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:47:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:47:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-10-15 02:47:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2019-10-15 02:47:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-15 02:47:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-15 02:47:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 02:47:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 02:47:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-15 02:47:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-15 02:47:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-10-15 02:47:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2019-10-15 02:47:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure device_bind_driver [2019-10-15 02:47:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-10-15 02:47:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-10-15 02:47:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-10-15 02:47:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2019-10-15 02:47:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_find [2019-10-15 02:47:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-10-15 02:47:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-10-15 02:47:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-15 02:47:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-10-15 02:47:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-10-15 02:47:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-10-15 02:47:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:47:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 02:47:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-15 02:47:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 02:47:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:47:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:47:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-15 02:47:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-15 02:47:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 02:47:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-15 02:47:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-15 02:47:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:47:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:47:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:47:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:47:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:47:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-10-15 02:47:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:47:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-10-15 02:47:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:47:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 02:47:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-10-15 02:47:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 02:47:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:47:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 02:47:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 02:47:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:47:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 02:47:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-15 02:47:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 02:47:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 02:47:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-15 02:47:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:47:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-15 02:47:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-15 02:47:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-15 02:47:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-15 02:47:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-15 02:47:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-15 02:47:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-15 02:47:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-15 02:47:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-15 02:47:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-15 02:47:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-15 02:47:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:47:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:47:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:47:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:47:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:47:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:47:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:47:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:47:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:47:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 02:47:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 02:47:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-15 02:47:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:47:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-15 02:47:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-15 02:47:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-10-15 02:47:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ns [2019-10-15 02:47:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:47:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:47:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:47:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:47:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-15 02:47:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_11 [2019-10-15 02:47:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 02:47:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_10 [2019-10-15 02:47:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_12 [2019-10-15 02:47:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 02:47:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-10-15 02:47:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 02:47:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-15 02:47:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-15 02:47:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-15 02:47:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-15 02:47:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-15 02:47:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-15 02:47:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-15 02:47:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-15 02:47:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_18 [2019-10-15 02:47:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-15 02:47:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-15 02:47:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_16 [2019-10-15 02:47:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-10-15 02:47:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-10-15 02:47:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-10-15 02:47:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-15 02:47:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-15 02:47:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-15 02:47:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:47:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:47:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:47:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:47:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:47:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:47:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:47:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:47:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:47:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:47:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:47:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:47:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:47:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:47:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:47:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:47:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:47:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:47:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:47:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:47:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_3 [2019-10-15 02:47:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-15 02:47:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 02:47:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 02:47:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-15 02:47:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 02:47:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-15 02:47:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 02:47:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-15 02:47:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-15 02:47:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-15 02:47:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-10-15 02:47:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2019-10-15 02:47:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-10-15 02:47:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-10-15 02:47:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure driver_find [2019-10-15 02:47:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-15 02:47:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2019-10-15 02:47:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-10-15 02:47:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-10-15 02:47:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-10-15 02:47:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure device_bind_driver [2019-10-15 02:47:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-10-15 02:47:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2019-10-15 02:47:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2019-10-15 02:47:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-15 02:47:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 02:47:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-15 02:47:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 02:47:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 02:47:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-10-15 02:47:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-10-15 02:47:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-10-15 02:47:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2019-10-15 02:47:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_attach_driver [2019-10-15 02:47:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_reconnect_port [2019-10-15 02:47:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_disconnect_port [2019-10-15 02:47:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2019-10-15 02:47:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2019-10-15 02:47:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_run_poll_handler [2019-10-15 02:47:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:47:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bind_driver [2019-10-15 02:47:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:47:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_find_driver [2019-10-15 02:47:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_event [2019-10-15 02:47:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_event [2019-10-15 02:47:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_duplicate_events [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_queue_event [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_pending_events [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_pending_child [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_description_show [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure drvctl_store [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_release_port [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init_port [2019-10-15 02:47:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_destroy_port [2019-10-15 02:47:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure description_show [2019-10-15 02:47:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_probe [2019-10-15 02:47:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2019-10-15 02:47:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bus_match [2019-10-15 02:47:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drv [2019-10-15 02:47:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-15 02:47:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init [2019-10-15 02:47:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_exit [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:47:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:47:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-15 02:47:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-15 02:47:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:47:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:47:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:47:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:47:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:47:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:47:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:47:50,074 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:47:51,893 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-15 02:47:54,370 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:47:54,370 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:47:54,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:47:54 BoogieIcfgContainer [2019-10-15 02:47:54,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:47:54,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:47:54,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:47:54,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:47:54,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:47:46" (1/3) ... [2019-10-15 02:47:54,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111212f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:47:54, skipping insertion in model container [2019-10-15 02:47:54,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:48" (2/3) ... [2019-10-15 02:47:54,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111212f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:47:54, skipping insertion in model container [2019-10-15 02:47:54,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:47:54" (3/3) ... [2019-10-15 02:47:54,380 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-15 02:47:54,391 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:47:54,405 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:47:54,417 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:47:54,456 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:47:54,456 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:47:54,456 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:47:54,456 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:47:54,456 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:47:54,457 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:47:54,457 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:47:54,457 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:47:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states. [2019-10-15 02:47:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-15 02:47:54,541 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:47:54,544 INFO L380 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] [2019-10-15 02:47:54,547 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:47:54,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:47:54,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1321671801, now seen corresponding path program 1 times [2019-10-15 02:47:54,562 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:47:54,563 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775575387] [2019-10-15 02:47:54,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:54,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:54,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:47:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:47:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-15 02:47:55,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775575387] [2019-10-15 02:47:55,464 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:47:55,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:47:55,464 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000530281] [2019-10-15 02:47:55,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:47:55,469 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:47:55,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:47:55,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:47:55,487 INFO L87 Difference]: Start difference. First operand 863 states. Second operand 3 states. [2019-10-15 02:47:55,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:47:55,844 INFO L93 Difference]: Finished difference Result 2145 states and 2850 transitions. [2019-10-15 02:47:55,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:47:55,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-10-15 02:47:55,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:47:55,887 INFO L225 Difference]: With dead ends: 2145 [2019-10-15 02:47:55,887 INFO L226 Difference]: Without dead ends: 1394 [2019-10-15 02:47:55,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:47:55,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2019-10-15 02:47:56,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1370. [2019-10-15 02:47:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2019-10-15 02:47:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1737 transitions. [2019-10-15 02:47:56,121 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1737 transitions. Word has length 130 [2019-10-15 02:47:56,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:47:56,122 INFO L462 AbstractCegarLoop]: Abstraction has 1370 states and 1737 transitions. [2019-10-15 02:47:56,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:47:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1737 transitions. [2019-10-15 02:47:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-15 02:47:56,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:47:56,130 INFO L380 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] [2019-10-15 02:47:56,130 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:47:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:47:56,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1401293153, now seen corresponding path program 1 times [2019-10-15 02:47:56,131 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:47:56,131 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843116494] [2019-10-15 02:47:56,132 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:56,132 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:56,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:47:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:47:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-15 02:47:56,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843116494] [2019-10-15 02:47:56,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:47:56,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:47:56,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291890134] [2019-10-15 02:47:56,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:47:56,393 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:47:56,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:47:56,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:47:56,393 INFO L87 Difference]: Start difference. First operand 1370 states and 1737 transitions. Second operand 3 states. [2019-10-15 02:47:56,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:47:56,477 INFO L93 Difference]: Finished difference Result 2690 states and 3517 transitions. [2019-10-15 02:47:56,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:47:56,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-15 02:47:56,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:47:56,491 INFO L225 Difference]: With dead ends: 2690 [2019-10-15 02:47:56,491 INFO L226 Difference]: Without dead ends: 1347 [2019-10-15 02:47:56,498 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:47:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2019-10-15 02:47:56,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1346. [2019-10-15 02:47:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2019-10-15 02:47:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1707 transitions. [2019-10-15 02:47:56,718 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1707 transitions. Word has length 127 [2019-10-15 02:47:56,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:47:56,718 INFO L462 AbstractCegarLoop]: Abstraction has 1346 states and 1707 transitions. [2019-10-15 02:47:56,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:47:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1707 transitions. [2019-10-15 02:47:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-15 02:47:56,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:47:56,722 INFO L380 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] [2019-10-15 02:47:56,723 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:47:56,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:47:56,723 INFO L82 PathProgramCache]: Analyzing trace with hash -849297493, now seen corresponding path program 1 times [2019-10-15 02:47:56,723 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:47:56,724 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332514559] [2019-10-15 02:47:56,724 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:56,724 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:56,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:47:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:47:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-15 02:47:57,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332514559] [2019-10-15 02:47:57,080 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:47:57,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:47:57,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483753957] [2019-10-15 02:47:57,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:47:57,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:47:57,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:47:57,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:47:57,084 INFO L87 Difference]: Start difference. First operand 1346 states and 1707 transitions. Second operand 5 states. [2019-10-15 02:47:59,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:47:59,238 INFO L93 Difference]: Finished difference Result 5123 states and 6637 transitions. [2019-10-15 02:47:59,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:47:59,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2019-10-15 02:47:59,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:47:59,268 INFO L225 Difference]: With dead ends: 5123 [2019-10-15 02:47:59,268 INFO L226 Difference]: Without dead ends: 3824 [2019-10-15 02:47:59,275 INFO L600 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 [2019-10-15 02:47:59,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2019-10-15 02:47:59,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3762. [2019-10-15 02:47:59,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3762 states. [2019-10-15 02:47:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 4903 transitions. [2019-10-15 02:47:59,502 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 4903 transitions. Word has length 133 [2019-10-15 02:47:59,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:47:59,503 INFO L462 AbstractCegarLoop]: Abstraction has 3762 states and 4903 transitions. [2019-10-15 02:47:59,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:47:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 4903 transitions. [2019-10-15 02:47:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 02:47:59,506 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:47:59,507 INFO L380 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] [2019-10-15 02:47:59,507 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:47:59,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:47:59,507 INFO L82 PathProgramCache]: Analyzing trace with hash 620958302, now seen corresponding path program 1 times [2019-10-15 02:47:59,508 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:47:59,508 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042330348] [2019-10-15 02:47:59,508 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:59,508 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:59,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:47:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:47:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-15 02:47:59,850 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042330348] [2019-10-15 02:47:59,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:47:59,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:47:59,851 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934920828] [2019-10-15 02:47:59,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:47:59,852 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:47:59,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:47:59,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:47:59,852 INFO L87 Difference]: Start difference. First operand 3762 states and 4903 transitions. Second operand 3 states. [2019-10-15 02:48:00,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:48:00,224 INFO L93 Difference]: Finished difference Result 10796 states and 14029 transitions. [2019-10-15 02:48:00,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:48:00,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-15 02:48:00,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:48:00,293 INFO L225 Difference]: With dead ends: 10796 [2019-10-15 02:48:00,293 INFO L226 Difference]: Without dead ends: 7081 [2019-10-15 02:48:00,316 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:48:00,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7081 states. [2019-10-15 02:48:00,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7081 to 7077. [2019-10-15 02:48:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7077 states. [2019-10-15 02:48:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7077 states to 7077 states and 9174 transitions. [2019-10-15 02:48:00,819 INFO L78 Accepts]: Start accepts. Automaton has 7077 states and 9174 transitions. Word has length 150 [2019-10-15 02:48:00,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:48:00,820 INFO L462 AbstractCegarLoop]: Abstraction has 7077 states and 9174 transitions. [2019-10-15 02:48:00,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:48:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 7077 states and 9174 transitions. [2019-10-15 02:48:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-15 02:48:00,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:48:00,825 INFO L380 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] [2019-10-15 02:48:00,826 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:48:00,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:48:00,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1235945513, now seen corresponding path program 1 times [2019-10-15 02:48:00,826 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:48:00,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882166314] [2019-10-15 02:48:00,827 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:00,827 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:00,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:48:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:48:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2019-10-15 02:48:01,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882166314] [2019-10-15 02:48:01,099 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:48:01,099 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:48:01,099 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55733594] [2019-10-15 02:48:01,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:48:01,100 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:48:01,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:48:01,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:48:01,100 INFO L87 Difference]: Start difference. First operand 7077 states and 9174 transitions. Second operand 3 states. [2019-10-15 02:48:01,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:48:01,890 INFO L93 Difference]: Finished difference Result 17609 states and 22846 transitions. [2019-10-15 02:48:01,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:48:01,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-10-15 02:48:01,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:48:01,972 INFO L225 Difference]: With dead ends: 17609 [2019-10-15 02:48:01,972 INFO L226 Difference]: Without dead ends: 10579 [2019-10-15 02:48:02,010 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:48:02,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10579 states. [2019-10-15 02:48:02,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10579 to 10575. [2019-10-15 02:48:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10575 states. [2019-10-15 02:48:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10575 states to 10575 states and 13696 transitions. [2019-10-15 02:48:02,731 INFO L78 Accepts]: Start accepts. Automaton has 10575 states and 13696 transitions. Word has length 164 [2019-10-15 02:48:02,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:48:02,735 INFO L462 AbstractCegarLoop]: Abstraction has 10575 states and 13696 transitions. [2019-10-15 02:48:02,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:48:02,735 INFO L276 IsEmpty]: Start isEmpty. Operand 10575 states and 13696 transitions. [2019-10-15 02:48:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-15 02:48:02,739 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:48:02,739 INFO L380 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] [2019-10-15 02:48:02,740 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:48:02,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:48:02,740 INFO L82 PathProgramCache]: Analyzing trace with hash -2023508038, now seen corresponding path program 1 times [2019-10-15 02:48:02,740 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:48:02,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953671153] [2019-10-15 02:48:02,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:02,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:02,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:48:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:48:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-15 02:48:03,224 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953671153] [2019-10-15 02:48:03,224 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:48:03,224 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 02:48:03,225 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348961965] [2019-10-15 02:48:03,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 02:48:03,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:48:03,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 02:48:03,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 02:48:03,226 INFO L87 Difference]: Start difference. First operand 10575 states and 13696 transitions. Second operand 6 states. [2019-10-15 02:48:03,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:48:03,776 INFO L93 Difference]: Finished difference Result 21247 states and 28302 transitions. [2019-10-15 02:48:03,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 02:48:03,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-10-15 02:48:03,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:48:03,863 INFO L225 Difference]: With dead ends: 21247 [2019-10-15 02:48:03,863 INFO L226 Difference]: Without dead ends: 10719 [2019-10-15 02:48:03,917 INFO L600 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 [2019-10-15 02:48:03,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10719 states. [2019-10-15 02:48:04,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10719 to 10683. [2019-10-15 02:48:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10683 states. [2019-10-15 02:48:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10683 states to 10683 states and 13858 transitions. [2019-10-15 02:48:04,392 INFO L78 Accepts]: Start accepts. Automaton has 10683 states and 13858 transitions. Word has length 175 [2019-10-15 02:48:04,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:48:04,393 INFO L462 AbstractCegarLoop]: Abstraction has 10683 states and 13858 transitions. [2019-10-15 02:48:04,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 02:48:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 10683 states and 13858 transitions. [2019-10-15 02:48:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-15 02:48:04,398 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:48:04,398 INFO L380 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] [2019-10-15 02:48:04,399 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:48:04,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:48:04,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1520886530, now seen corresponding path program 1 times [2019-10-15 02:48:04,399 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:48:04,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339761312] [2019-10-15 02:48:04,400 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:04,400 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:04,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:48:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:48:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-15 02:48:04,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339761312] [2019-10-15 02:48:04,619 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:48:04,619 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:48:04,619 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252142709] [2019-10-15 02:48:04,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:48:04,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:48:04,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:48:04,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:48:04,621 INFO L87 Difference]: Start difference. First operand 10683 states and 13858 transitions. Second operand 3 states. [2019-10-15 02:48:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:48:06,086 INFO L93 Difference]: Finished difference Result 31811 states and 41244 transitions. [2019-10-15 02:48:06,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:48:06,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-15 02:48:06,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:48:06,205 INFO L225 Difference]: With dead ends: 31811 [2019-10-15 02:48:06,205 INFO L226 Difference]: Without dead ends: 21175 [2019-10-15 02:48:06,258 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:48:06,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21175 states. [2019-10-15 02:48:07,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21175 to 21171. [2019-10-15 02:48:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21171 states. [2019-10-15 02:48:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21171 states to 21171 states and 27422 transitions. [2019-10-15 02:48:07,430 INFO L78 Accepts]: Start accepts. Automaton has 21171 states and 27422 transitions. Word has length 181 [2019-10-15 02:48:07,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:48:07,430 INFO L462 AbstractCegarLoop]: Abstraction has 21171 states and 27422 transitions. [2019-10-15 02:48:07,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:48:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 21171 states and 27422 transitions. [2019-10-15 02:48:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-15 02:48:07,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:48:07,437 INFO L380 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] [2019-10-15 02:48:07,437 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:48:07,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:48:07,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1685042092, now seen corresponding path program 1 times [2019-10-15 02:48:07,438 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:48:07,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313137307] [2019-10-15 02:48:07,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:07,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:07,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:48:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:48:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-15 02:48:07,715 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313137307] [2019-10-15 02:48:07,715 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:48:07,715 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:48:07,715 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126577211] [2019-10-15 02:48:07,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:48:07,716 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:48:07,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:48:07,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:48:07,717 INFO L87 Difference]: Start difference. First operand 21171 states and 27422 transitions. Second operand 5 states. [2019-10-15 02:48:11,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:48:11,138 INFO L93 Difference]: Finished difference Result 42295 states and 54799 transitions. [2019-10-15 02:48:11,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:48:11,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2019-10-15 02:48:11,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:48:11,254 INFO L225 Difference]: With dead ends: 42295 [2019-10-15 02:48:11,254 INFO L226 Difference]: Without dead ends: 21171 [2019-10-15 02:48:11,308 INFO L600 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 [2019-10-15 02:48:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21171 states. [2019-10-15 02:48:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21171 to 21099. [2019-10-15 02:48:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21099 states. [2019-10-15 02:48:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21099 states to 21099 states and 27242 transitions. [2019-10-15 02:48:13,554 INFO L78 Accepts]: Start accepts. Automaton has 21099 states and 27242 transitions. Word has length 187 [2019-10-15 02:48:13,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:48:13,555 INFO L462 AbstractCegarLoop]: Abstraction has 21099 states and 27242 transitions. [2019-10-15 02:48:13,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:48:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 21099 states and 27242 transitions. [2019-10-15 02:48:13,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-15 02:48:13,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:48:13,563 INFO L380 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] [2019-10-15 02:48:13,563 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:48:13,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:48:13,564 INFO L82 PathProgramCache]: Analyzing trace with hash -817931523, now seen corresponding path program 1 times [2019-10-15 02:48:13,564 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:48:13,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298837569] [2019-10-15 02:48:13,565 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:13,565 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:48:13,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:48:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:48:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-15 02:48:13,947 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298837569] [2019-10-15 02:48:13,948 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:48:13,948 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:48:13,948 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671143749] [2019-10-15 02:48:13,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:48:13,950 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:48:13,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:48:13,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:48:13,950 INFO L87 Difference]: Start difference. First operand 21099 states and 27242 transitions. Second operand 3 states. [2019-10-15 02:48:14,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:48:14,733 INFO L93 Difference]: Finished difference Result 42079 states and 54343 transitions. [2019-10-15 02:48:14,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:48:14,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-15 02:48:14,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:48:14,867 INFO L225 Difference]: With dead ends: 42079 [2019-10-15 02:48:14,867 INFO L226 Difference]: Without dead ends: 21027 [2019-10-15 02:48:14,930 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:48:14,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21027 states.