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 0.1.24-36ac518-m [2019-10-07 10:56:01,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 10:56:01,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 10:56:01,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 10:56:01,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 10:56:01,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 10:56:01,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 10:56:01,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 10:56:01,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 10:56:01,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 10:56:01,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 10:56:01,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 10:56:01,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 10:56:01,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 10:56:01,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 10:56:01,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 10:56:01,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 10:56:01,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 10:56:01,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 10:56:01,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 10:56:01,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 10:56:01,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 10:56:01,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 10:56:01,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 10:56:01,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 10:56:01,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 10:56:01,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 10:56:01,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 10:56:01,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 10:56:01,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 10:56:01,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 10:56:01,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 10:56:01,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 10:56:01,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 10:56:01,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 10:56:01,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 10:56:01,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 10:56:01,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 10:56:01,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 10:56:01,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 10:56:01,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 10:56:01,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 10:56:01,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 10:56:01,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 10:56:01,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 10:56:01,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 10:56:01,626 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 10:56:01,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 10:56:01,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 10:56:01,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 10:56:01,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 10:56:01,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 10:56:01,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 10:56:01,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 10:56:01,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 10:56:01,629 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 10:56:01,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 10:56:01,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 10:56:01,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 10:56:01,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 10:56:01,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 10:56:01,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 10:56:01,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 10:56:01,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 10:56:01,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 10:56:01,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 10:56:01,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 10:56:01,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 10:56:01,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 10:56:01,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 10:56:01,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 10:56:01,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 10:56:01,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 10:56:01,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 10:56:01,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 10:56:01,915 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 10:56:01,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-07 10:56:01,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084c31094/d3efd3173f5a4aeb9af032509132e67f/FLAGf5c24384a [2019-10-07 10:56:02,763 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 10:56:02,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-07 10:56:02,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084c31094/d3efd3173f5a4aeb9af032509132e67f/FLAGf5c24384a [2019-10-07 10:56:02,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084c31094/d3efd3173f5a4aeb9af032509132e67f [2019-10-07 10:56:02,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 10:56:02,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 10:56:02,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 10:56:02,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 10:56:02,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 10:56:02,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:56:02" (1/1) ... [2019-10-07 10:56:02,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:02, skipping insertion in model container [2019-10-07 10:56:02,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:56:02" (1/1) ... [2019-10-07 10:56:02,899 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 10:56:03,012 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 10:56:04,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:56:04,203 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 10:56:04,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:56:04,801 INFO L192 MainTranslator]: Completed translation [2019-10-07 10:56:04,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04 WrapperNode [2019-10-07 10:56:04,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 10:56:04,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 10:56:04,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 10:56:04,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 10:56:04,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (1/1) ... [2019-10-07 10:56:04,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (1/1) ... [2019-10-07 10:56:04,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (1/1) ... [2019-10-07 10:56:04,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (1/1) ... [2019-10-07 10:56:05,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (1/1) ... [2019-10-07 10:56:05,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (1/1) ... [2019-10-07 10:56:05,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (1/1) ... [2019-10-07 10:56:05,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 10:56:05,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 10:56:05,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 10:56:05,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 10:56:05,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 10:56:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 10:56:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 10:56:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:56:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 10:56:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:56:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 10:56:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-07 10:56:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 10:56:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 10:56:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-07 10:56:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 10:56:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-07 10:56:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 10:56:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-07 10:56:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-07 10:56:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-07 10:56:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 10:56:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 10:56:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 10:56:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 10:56:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 10:56:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 10:56:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-07 10:56:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ns [2019-10-07 10:56:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-07 10:56:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-07 10:56:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 10:56:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 10:56:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 10:56:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 10:56:05,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 10:56:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 10:56:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 10:56:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 10:56:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 10:56:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 10:56:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 10:56:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2019-10-07 10:56:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-10-07 10:56:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2019-10-07 10:56:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2019-10-07 10:56:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-10-07 10:56:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-10-07 10:56:05,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_run_poll_handler [2019-10-07 10:56:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bind_driver [2019-10-07 10:56:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_find_driver [2019-10-07 10:56:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_event [2019-10-07 10:56:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_event [2019-10-07 10:56:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_duplicate_events [2019-10-07 10:56:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2019-10-07 10:56:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_queue_event [2019-10-07 10:56:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_remove_pending_events [2019-10-07 10:56:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_pending_child [2019-10-07 10:56:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_description_show [2019-10-07 10:56:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure drvctl_store [2019-10-07 10:56:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_release_port [2019-10-07 10:56:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2019-10-07 10:56:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init_port [2019-10-07 10:56:05,193 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2019-10-07 10:56:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_destroy_port [2019-10-07 10:56:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_reconnect_port [2019-10-07 10:56:05,194 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_disconnect_port [2019-10-07 10:56:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-10-07 10:56:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2019-10-07 10:56:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure description_show [2019-10-07 10:56:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_probe [2019-10-07 10:56:05,195 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2019-10-07 10:56:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_attach_driver [2019-10-07 10:56:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-10-07 10:56:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-10-07 10:56:05,196 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_bus_match [2019-10-07 10:56:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drv [2019-10-07 10:56:05,197 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-10-07 10:56:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-10-07 10:56:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_init [2019-10-07 10:56:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_exit [2019-10-07 10:56:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_3 [2019-10-07 10:56:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-07 10:56:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-07 10:56:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-07 10:56:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-07 10:56:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-07 10:56:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-07 10:56:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-07 10:56:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-07 10:56:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-07 10:56:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-07 10:56:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 10:56:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-07 10:56:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-07 10:56:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-07 10:56:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-07 10:56:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-07 10:56:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_10 [2019-10-07 10:56:05,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_11 [2019-10-07 10:56:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_12 [2019-10-07 10:56:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-10-07 10:56:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-10-07 10:56:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-10-07 10:56:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_16 [2019-10-07 10:56:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2019-10-07 10:56:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_18 [2019-10-07 10:56:05,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 10:56:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 10:56:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 10:56:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 10:56:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 10:56:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 10:56:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 10:56:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 10:56:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 10:56:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 10:56:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 10:56:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 10:56:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-07 10:56:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-07 10:56:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 10:56:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 10:56:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-10-07 10:56:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 10:56:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 10:56:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 10:56:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 10:56:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 10:56:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-10-07 10:56:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2019-10-07 10:56:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-07 10:56:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-07 10:56:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 10:56:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 10:56:05,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-07 10:56:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 10:56:05,212 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-10-07 10:56:05,213 INFO L138 BoogieDeclarations]: Found implementation of procedure device_attach [2019-10-07 10:56:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure device_bind_driver [2019-10-07 10:56:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-10-07 10:56:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-10-07 10:56:05,218 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-10-07 10:56:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2019-10-07 10:56:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_find [2019-10-07 10:56:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-10-07 10:56:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-10-07 10:56:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-07 10:56:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2019-10-07 10:56:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_end [2019-10-07 10:56:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_va_start [2019-10-07 10:56:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 10:56:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-07 10:56:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-07 10:56:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 10:56:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 10:56:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 10:56:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-07 10:56:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-07 10:56:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 10:56:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-07 10:56:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-07 10:56:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 10:56:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 10:56:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 10:56:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 10:56:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 10:56:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_end [2019-10-07 10:56:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 10:56:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_va_start [2019-10-07 10:56:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 10:56:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 10:56:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-10-07 10:56:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 10:56:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 10:56:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 10:56:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 10:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 10:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-07 10:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-07 10:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 10:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 10:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-07 10:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 10:56:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-07 10:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-07 10:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 10:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-07 10:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-07 10:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-07 10:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 10:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-07 10:56:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-07 10:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-07 10:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 10:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 10:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 10:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 10:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 10:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 10:56:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 10:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 10:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 10:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 10:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 10:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 10:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-07 10:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 10:56:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-07 10:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-07 10:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2019-10-07 10:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ns [2019-10-07 10:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 10:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 10:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 10:56:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 10:56:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-07 10:56:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_11 [2019-10-07 10:56:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-07 10:56:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_10 [2019-10-07 10:56:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_12 [2019-10-07 10:56:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 10:56:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2019-10-07 10:56:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 10:56:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-07 10:56:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-07 10:56:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-07 10:56:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-07 10:56:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-07 10:56:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-07 10:56:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-07 10:56:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-07 10:56:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_18 [2019-10-07 10:56:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-07 10:56:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-07 10:56:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_16 [2019-10-07 10:56:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-10-07 10:56:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-10-07 10:56:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-10-07 10:56:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 10:56:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 10:56:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 10:56:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 10:56:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 10:56:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 10:56:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 10:56:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 10:56:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 10:56:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 10:56:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 10:56:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 10:56:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 10:56:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 10:56:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 10:56:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 10:56:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 10:56:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 10:56:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 10:56:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 10:56:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 10:56:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 10:56:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 10:56:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_3 [2019-10-07 10:56:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-07 10:56:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-07 10:56:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-07 10:56:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-07 10:56:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-07 10:56:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-07 10:56:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-07 10:56:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-07 10:56:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-07 10:56:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-07 10:56:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-10-07 10:56:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2019-10-07 10:56:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-10-07 10:56:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-10-07 10:56:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure driver_find [2019-10-07 10:56:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-07 10:56:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2019-10-07 10:56:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-10-07 10:56:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-10-07 10:56:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-10-07 10:56:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_bind_driver [2019-10-07 10:56:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-10-07 10:56:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_attach [2019-10-07 10:56:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2019-10-07 10:56:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-07 10:56:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 10:56:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 10:56:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 10:56:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-10-07 10:56:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-10-07 10:56:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-10-07 10:56:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2019-10-07 10:56:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2019-10-07 10:56:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-10-07 10:56:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-10-07 10:56:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_attach_driver [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_reconnect_port [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_disconnect_port [2019-10-07 10:56:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_run_poll_handler [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bind_driver [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_find_driver [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_event [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_event [2019-10-07 10:56:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_duplicate_events [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_queue_event [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_remove_pending_events [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_pending_child [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_description_show [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure drvctl_store [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_release_port [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init_port [2019-10-07 10:56:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_destroy_port [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure description_show [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_probe [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_bus_match [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drv [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_init [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_exit [2019-10-07 10:56:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 10:56:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 10:56:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-07 10:56:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 10:56:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 10:56:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 10:56:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 10:56:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 10:56:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 10:56:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 10:56:06,401 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 10:56:08,095 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 10:56:10,503 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 10:56:10,503 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 10:56:10,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:56:10 BoogieIcfgContainer [2019-10-07 10:56:10,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 10:56:10,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 10:56:10,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 10:56:10,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 10:56:10,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 10:56:02" (1/3) ... [2019-10-07 10:56:10,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3755b1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:56:10, skipping insertion in model container [2019-10-07 10:56:10,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:56:04" (2/3) ... [2019-10-07 10:56:10,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3755b1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:56:10, skipping insertion in model container [2019-10-07 10:56:10,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:56:10" (3/3) ... [2019-10-07 10:56:10,519 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2019-10-07 10:56:10,528 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 10:56:10,540 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 10:56:10,553 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 10:56:10,591 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 10:56:10,591 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 10:56:10,591 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 10:56:10,591 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 10:56:10,591 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 10:56:10,591 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 10:56:10,592 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 10:56:10,592 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 10:56:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states. [2019-10-07 10:56:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-07 10:56:10,669 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:10,671 INFO L385 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] [2019-10-07 10:56:10,673 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:10,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:10,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1321671801, now seen corresponding path program 1 times [2019-10-07 10:56:10,688 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:10,689 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:10,689 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:10,689 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:10,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-07 10:56:11,670 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:11,670 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:11,671 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:56:11,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:56:11,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:56:11,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:11,693 INFO L87 Difference]: Start difference. First operand 863 states. Second operand 3 states. [2019-10-07 10:56:12,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:12,060 INFO L93 Difference]: Finished difference Result 2145 states and 2850 transitions. [2019-10-07 10:56:12,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:56:12,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-10-07 10:56:12,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:12,105 INFO L225 Difference]: With dead ends: 2145 [2019-10-07 10:56:12,106 INFO L226 Difference]: Without dead ends: 1394 [2019-10-07 10:56:12,123 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:12,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2019-10-07 10:56:12,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1370. [2019-10-07 10:56:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2019-10-07 10:56:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1737 transitions. [2019-10-07 10:56:12,328 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1737 transitions. Word has length 130 [2019-10-07 10:56:12,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:12,329 INFO L462 AbstractCegarLoop]: Abstraction has 1370 states and 1737 transitions. [2019-10-07 10:56:12,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:56:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1737 transitions. [2019-10-07 10:56:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 10:56:12,341 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:12,342 INFO L385 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] [2019-10-07 10:56:12,342 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:12,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:12,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1401293153, now seen corresponding path program 1 times [2019-10-07 10:56:12,343 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:12,343 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:12,343 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:12,343 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:12,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-07 10:56:12,750 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:12,750 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:12,750 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:56:12,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:56:12,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:56:12,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:12,753 INFO L87 Difference]: Start difference. First operand 1370 states and 1737 transitions. Second operand 3 states. [2019-10-07 10:56:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:12,831 INFO L93 Difference]: Finished difference Result 2690 states and 3517 transitions. [2019-10-07 10:56:12,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:56:12,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-07 10:56:12,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:12,848 INFO L225 Difference]: With dead ends: 2690 [2019-10-07 10:56:12,848 INFO L226 Difference]: Without dead ends: 1347 [2019-10-07 10:56:12,855 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:12,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2019-10-07 10:56:12,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1346. [2019-10-07 10:56:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2019-10-07 10:56:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1707 transitions. [2019-10-07 10:56:12,948 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1707 transitions. Word has length 127 [2019-10-07 10:56:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:12,949 INFO L462 AbstractCegarLoop]: Abstraction has 1346 states and 1707 transitions. [2019-10-07 10:56:12,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:56:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1707 transitions. [2019-10-07 10:56:12,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 10:56:12,954 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:12,955 INFO L385 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] [2019-10-07 10:56:12,955 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:12,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:12,956 INFO L82 PathProgramCache]: Analyzing trace with hash -849297493, now seen corresponding path program 1 times [2019-10-07 10:56:12,956 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:12,956 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:12,956 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:12,956 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:12,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-07 10:56:13,334 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:13,334 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:13,334 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:56:13,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:56:13,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:56:13,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:56:13,335 INFO L87 Difference]: Start difference. First operand 1346 states and 1707 transitions. Second operand 5 states. [2019-10-07 10:56:15,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:15,360 INFO L93 Difference]: Finished difference Result 5123 states and 6637 transitions. [2019-10-07 10:56:15,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:56:15,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2019-10-07 10:56:15,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:15,384 INFO L225 Difference]: With dead ends: 5123 [2019-10-07 10:56:15,384 INFO L226 Difference]: Without dead ends: 3824 [2019-10-07 10:56:15,390 INFO L606 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 [2019-10-07 10:56:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2019-10-07 10:56:15,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3762. [2019-10-07 10:56:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3762 states. [2019-10-07 10:56:15,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 4903 transitions. [2019-10-07 10:56:15,588 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 4903 transitions. Word has length 133 [2019-10-07 10:56:15,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:15,588 INFO L462 AbstractCegarLoop]: Abstraction has 3762 states and 4903 transitions. [2019-10-07 10:56:15,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:56:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 4903 transitions. [2019-10-07 10:56:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 10:56:15,592 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:15,592 INFO L385 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] [2019-10-07 10:56:15,592 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:15,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:15,593 INFO L82 PathProgramCache]: Analyzing trace with hash 620958302, now seen corresponding path program 1 times [2019-10-07 10:56:15,593 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:15,593 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:15,593 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:15,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:15,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:15,907 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2019-10-07 10:56:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-07 10:56:15,921 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:15,922 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:15,922 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:56:15,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:56:15,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:56:15,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:15,923 INFO L87 Difference]: Start difference. First operand 3762 states and 4903 transitions. Second operand 3 states. [2019-10-07 10:56:16,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:16,268 INFO L93 Difference]: Finished difference Result 10796 states and 14029 transitions. [2019-10-07 10:56:16,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:56:16,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-07 10:56:16,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:16,314 INFO L225 Difference]: With dead ends: 10796 [2019-10-07 10:56:16,314 INFO L226 Difference]: Without dead ends: 7081 [2019-10-07 10:56:16,331 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:16,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7081 states. [2019-10-07 10:56:16,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7081 to 7077. [2019-10-07 10:56:16,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7077 states. [2019-10-07 10:56:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7077 states to 7077 states and 9174 transitions. [2019-10-07 10:56:16,761 INFO L78 Accepts]: Start accepts. Automaton has 7077 states and 9174 transitions. Word has length 150 [2019-10-07 10:56:16,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:16,762 INFO L462 AbstractCegarLoop]: Abstraction has 7077 states and 9174 transitions. [2019-10-07 10:56:16,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:56:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 7077 states and 9174 transitions. [2019-10-07 10:56:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-07 10:56:16,766 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:16,766 INFO L385 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] [2019-10-07 10:56:16,767 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:16,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:16,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1235945513, now seen corresponding path program 1 times [2019-10-07 10:56:16,767 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:16,767 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:16,768 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:16,768 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:17,147 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2019-10-07 10:56:17,147 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:17,147 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:17,148 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:56:17,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:56:17,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:56:17,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:17,149 INFO L87 Difference]: Start difference. First operand 7077 states and 9174 transitions. Second operand 3 states. [2019-10-07 10:56:18,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:18,289 INFO L93 Difference]: Finished difference Result 17609 states and 22846 transitions. [2019-10-07 10:56:18,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:56:18,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-10-07 10:56:18,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:18,358 INFO L225 Difference]: With dead ends: 17609 [2019-10-07 10:56:18,358 INFO L226 Difference]: Without dead ends: 10579 [2019-10-07 10:56:18,387 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:18,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10579 states. [2019-10-07 10:56:18,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10579 to 10575. [2019-10-07 10:56:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10575 states. [2019-10-07 10:56:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10575 states to 10575 states and 13696 transitions. [2019-10-07 10:56:19,021 INFO L78 Accepts]: Start accepts. Automaton has 10575 states and 13696 transitions. Word has length 164 [2019-10-07 10:56:19,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:19,022 INFO L462 AbstractCegarLoop]: Abstraction has 10575 states and 13696 transitions. [2019-10-07 10:56:19,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:56:19,022 INFO L276 IsEmpty]: Start isEmpty. Operand 10575 states and 13696 transitions. [2019-10-07 10:56:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-07 10:56:19,026 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:19,026 INFO L385 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] [2019-10-07 10:56:19,026 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:19,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:19,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1833987585, now seen corresponding path program 1 times [2019-10-07 10:56:19,027 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:19,027 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:19,027 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:19,028 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:19,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-07 10:56:19,221 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:19,221 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:19,221 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:56:19,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:56:19,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:56:19,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:19,223 INFO L87 Difference]: Start difference. First operand 10575 states and 13696 transitions. Second operand 3 states. [2019-10-07 10:56:20,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:20,045 INFO L93 Difference]: Finished difference Result 31487 states and 40764 transitions. [2019-10-07 10:56:20,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:56:20,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-07 10:56:20,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:20,158 INFO L225 Difference]: With dead ends: 31487 [2019-10-07 10:56:20,158 INFO L226 Difference]: Without dead ends: 20959 [2019-10-07 10:56:20,202 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:20,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20959 states. [2019-10-07 10:56:20,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20959 to 20955. [2019-10-07 10:56:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20955 states. [2019-10-07 10:56:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20955 states to 20955 states and 27104 transitions. [2019-10-07 10:56:22,179 INFO L78 Accepts]: Start accepts. Automaton has 20955 states and 27104 transitions. Word has length 171 [2019-10-07 10:56:22,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:22,180 INFO L462 AbstractCegarLoop]: Abstraction has 20955 states and 27104 transitions. [2019-10-07 10:56:22,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:56:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 20955 states and 27104 transitions. [2019-10-07 10:56:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-07 10:56:22,185 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:22,185 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:56:22,186 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:22,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:22,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1530536242, now seen corresponding path program 1 times [2019-10-07 10:56:22,186 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:22,187 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:22,187 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:22,187 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-07 10:56:22,548 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:22,548 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:22,548 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:56:22,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:56:22,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:56:22,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:56:22,550 INFO L87 Difference]: Start difference. First operand 20955 states and 27104 transitions. Second operand 6 states. [2019-10-07 10:56:23,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:23,364 INFO L93 Difference]: Finished difference Result 42151 states and 56037 transitions. [2019-10-07 10:56:23,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 10:56:23,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-10-07 10:56:23,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:23,677 INFO L225 Difference]: With dead ends: 42151 [2019-10-07 10:56:23,677 INFO L226 Difference]: Without dead ends: 21243 [2019-10-07 10:56:23,746 INFO L606 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 [2019-10-07 10:56:23,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21243 states. [2019-10-07 10:56:24,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21243 to 21171. [2019-10-07 10:56:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21171 states. [2019-10-07 10:56:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21171 states to 21171 states and 27422 transitions. [2019-10-07 10:56:24,622 INFO L78 Accepts]: Start accepts. Automaton has 21171 states and 27422 transitions. Word has length 176 [2019-10-07 10:56:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:24,623 INFO L462 AbstractCegarLoop]: Abstraction has 21171 states and 27422 transitions. [2019-10-07 10:56:24,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:56:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 21171 states and 27422 transitions. [2019-10-07 10:56:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-07 10:56:24,629 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:24,629 INFO L385 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] [2019-10-07 10:56:24,630 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:24,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:24,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1685042092, now seen corresponding path program 1 times [2019-10-07 10:56:24,630 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:24,631 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:24,631 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:24,631 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:24,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-07 10:56:24,919 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:24,919 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:24,919 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:56:24,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:56:24,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:56:24,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:56:24,920 INFO L87 Difference]: Start difference. First operand 21171 states and 27422 transitions. Second operand 5 states. [2019-10-07 10:56:27,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:27,764 INFO L93 Difference]: Finished difference Result 42295 states and 54799 transitions. [2019-10-07 10:56:27,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:56:27,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2019-10-07 10:56:27,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:27,862 INFO L225 Difference]: With dead ends: 42295 [2019-10-07 10:56:27,863 INFO L226 Difference]: Without dead ends: 21171 [2019-10-07 10:56:27,912 INFO L606 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 [2019-10-07 10:56:27,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21171 states. [2019-10-07 10:56:29,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21171 to 21099. [2019-10-07 10:56:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21099 states. [2019-10-07 10:56:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21099 states to 21099 states and 27242 transitions. [2019-10-07 10:56:29,986 INFO L78 Accepts]: Start accepts. Automaton has 21099 states and 27242 transitions. Word has length 187 [2019-10-07 10:56:29,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:29,987 INFO L462 AbstractCegarLoop]: Abstraction has 21099 states and 27242 transitions. [2019-10-07 10:56:29,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:56:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 21099 states and 27242 transitions. [2019-10-07 10:56:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 10:56:29,996 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:29,996 INFO L385 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] [2019-10-07 10:56:29,997 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:29,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:29,997 INFO L82 PathProgramCache]: Analyzing trace with hash -817931523, now seen corresponding path program 1 times [2019-10-07 10:56:29,997 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:29,997 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:29,998 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:29,998 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-07 10:56:30,308 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:30,308 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:30,308 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:56:30,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:56:30,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:56:30,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:30,311 INFO L87 Difference]: Start difference. First operand 21099 states and 27242 transitions. Second operand 3 states. [2019-10-07 10:56:31,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:31,110 INFO L93 Difference]: Finished difference Result 42079 states and 54343 transitions. [2019-10-07 10:56:31,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:56:31,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-07 10:56:31,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:31,181 INFO L225 Difference]: With dead ends: 42079 [2019-10-07 10:56:31,181 INFO L226 Difference]: Without dead ends: 21027 [2019-10-07 10:56:31,226 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:31,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21027 states. [2019-10-07 10:56:31,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21027 to 21027. [2019-10-07 10:56:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21027 states. [2019-10-07 10:56:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21027 states to 21027 states and 27062 transitions. [2019-10-07 10:56:32,017 INFO L78 Accepts]: Start accepts. Automaton has 21027 states and 27062 transitions. Word has length 185 [2019-10-07 10:56:32,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:32,018 INFO L462 AbstractCegarLoop]: Abstraction has 21027 states and 27062 transitions. [2019-10-07 10:56:32,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:56:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 21027 states and 27062 transitions. [2019-10-07 10:56:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 10:56:32,024 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:32,024 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:56:32,025 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:32,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:32,025 INFO L82 PathProgramCache]: Analyzing trace with hash -400929163, now seen corresponding path program 1 times [2019-10-07 10:56:32,025 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:32,026 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:32,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:32,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:32,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-07 10:56:32,310 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:32,311 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:32,311 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:56:32,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:56:32,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:56:32,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:32,312 INFO L87 Difference]: Start difference. First operand 21027 states and 27062 transitions. Second operand 3 states. [2019-10-07 10:56:33,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:33,183 INFO L93 Difference]: Finished difference Result 41935 states and 53983 transitions. [2019-10-07 10:56:33,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:56:33,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-07 10:56:33,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:33,266 INFO L225 Difference]: With dead ends: 41935 [2019-10-07 10:56:33,266 INFO L226 Difference]: Without dead ends: 20955 [2019-10-07 10:56:33,313 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:56:33,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20955 states. [2019-10-07 10:56:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20955 to 20955. [2019-10-07 10:56:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20955 states. [2019-10-07 10:56:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20955 states to 20955 states and 26882 transitions. [2019-10-07 10:56:34,214 INFO L78 Accepts]: Start accepts. Automaton has 20955 states and 26882 transitions. Word has length 186 [2019-10-07 10:56:34,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:34,217 INFO L462 AbstractCegarLoop]: Abstraction has 20955 states and 26882 transitions. [2019-10-07 10:56:34,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:56:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 20955 states and 26882 transitions. [2019-10-07 10:56:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-07 10:56:34,227 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:34,228 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:56:34,228 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:34,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:34,229 INFO L82 PathProgramCache]: Analyzing trace with hash 130845868, now seen corresponding path program 1 times [2019-10-07 10:56:34,229 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:34,230 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:34,230 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:34,230 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:34,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-07 10:56:34,506 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:34,506 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:34,506 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:56:34,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:56:34,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:56:34,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:56:34,508 INFO L87 Difference]: Start difference. First operand 20955 states and 26882 transitions. Second operand 5 states. [2019-10-07 10:56:37,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:37,288 INFO L93 Difference]: Finished difference Result 40085 states and 51433 transitions. [2019-10-07 10:56:37,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:56:37,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2019-10-07 10:56:37,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:37,351 INFO L225 Difference]: With dead ends: 40085 [2019-10-07 10:56:37,351 INFO L226 Difference]: Without dead ends: 19177 [2019-10-07 10:56:37,395 INFO L606 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 [2019-10-07 10:56:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19177 states. [2019-10-07 10:56:39,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19177 to 19099. [2019-10-07 10:56:39,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19099 states. [2019-10-07 10:56:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19099 states to 19099 states and 24432 transitions. [2019-10-07 10:56:39,131 INFO L78 Accepts]: Start accepts. Automaton has 19099 states and 24432 transitions. Word has length 188 [2019-10-07 10:56:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:39,132 INFO L462 AbstractCegarLoop]: Abstraction has 19099 states and 24432 transitions. [2019-10-07 10:56:39,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:56:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 19099 states and 24432 transitions. [2019-10-07 10:56:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-07 10:56:39,138 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:39,139 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 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] [2019-10-07 10:56:39,139 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:39,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:39,139 INFO L82 PathProgramCache]: Analyzing trace with hash -487832050, now seen corresponding path program 1 times [2019-10-07 10:56:39,140 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:39,140 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:39,140 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:39,140 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:39,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2019-10-07 10:56:39,496 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:39,496 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:56:39,497 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:56:39,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:56:39,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:56:39,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:56:39,498 INFO L87 Difference]: Start difference. First operand 19099 states and 24432 transitions. Second operand 6 states. [2019-10-07 10:56:40,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:56:40,292 INFO L93 Difference]: Finished difference Result 38160 states and 48817 transitions. [2019-10-07 10:56:40,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 10:56:40,293 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2019-10-07 10:56:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:56:40,365 INFO L225 Difference]: With dead ends: 38160 [2019-10-07 10:56:40,365 INFO L226 Difference]: Without dead ends: 19100 [2019-10-07 10:56:40,409 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-07 10:56:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19100 states. [2019-10-07 10:56:41,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19100 to 19100. [2019-10-07 10:56:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19100 states. [2019-10-07 10:56:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19100 states to 19100 states and 24433 transitions. [2019-10-07 10:56:41,248 INFO L78 Accepts]: Start accepts. Automaton has 19100 states and 24433 transitions. Word has length 184 [2019-10-07 10:56:41,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:56:41,249 INFO L462 AbstractCegarLoop]: Abstraction has 19100 states and 24433 transitions. [2019-10-07 10:56:41,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:56:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 19100 states and 24433 transitions. [2019-10-07 10:56:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 10:56:41,256 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:56:41,256 INFO L385 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 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] [2019-10-07 10:56:41,257 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:56:41,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:56:41,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1138740824, now seen corresponding path program 1 times [2019-10-07 10:56:41,257 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:56:41,258 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:41,258 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:41,258 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:56:41,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:56:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2019-10-07 10:56:41,857 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:56:41,857 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 10:56:41,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:56:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:56:45,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 3281 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 10:56:45,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 10:56:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2019-10-07 10:56:45,994 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 10:56:46,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:56:46,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:56:46,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:56:46,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:56:47,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 10:56:49,361 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 38 [2019-10-07 10:56:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2019-10-07 10:56:49,493 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 10:56:49,522 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-07 10:56:49,523 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 10:56:49,529 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 10:56:49,536 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 10:56:49,537 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 11:05:37,364 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 2061 [2019-10-07 11:05:45,745 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-10-07 11:05:46,627 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 2039 [2019-10-07 11:05:47,521 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 2039 [2019-10-07 11:05:48,383 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 2039 [2019-10-07 11:05:49,790 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:05:51,106 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:05:52,374 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:05:53,763 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:05:56,193 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 2227 DAG size of output: 2225 [2019-10-07 11:05:57,455 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:05:58,854 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:06:00,138 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:06:01,404 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:06:02,821 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 2225 [2019-10-07 11:06:02,864 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 493 for LOIs [2019-10-07 11:06:03,746 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 2032 [2019-10-07 11:06:04,457 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 2032 [2019-10-07 11:06:05,638 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 2218 [2019-10-07 11:06:05,641 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 2252 for LOIs [2019-10-07 11:06:06,891 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 2252 [2019-10-07 11:06:08,153 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 2252 [2019-10-07 11:06:09,682 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 2324 [2019-10-07 11:06:11,081 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 2262 [2019-10-07 11:06:12,363 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 2262 [2019-10-07 11:06:13,899 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 2336 [2019-10-07 11:07:34,421 WARN L191 SmtUtils]: Spent 1.22 m on a formula simplification that was a NOOP. DAG size: 4119 [2019-10-07 11:07:43,763 WARN L191 SmtUtils]: Spent 8.48 s on a formula simplification that was a NOOP. DAG size: 5804 [2019-10-07 11:08:42,827 WARN L191 SmtUtils]: Spent 8.32 s on a formula simplification. DAG size of input: 5809 DAG size of output: 5805 [2019-10-07 11:08:43,115 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:08:43,116 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 11:08:43,127 INFO L168 Benchmark]: Toolchain (without parser) took 760240.86 ms. Allocated memory was 145.8 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 96.0 MB in the beginning and 482.5 MB in the end (delta: -386.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-10-07 11:08:43,128 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 11:08:43,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1917.02 ms. Allocated memory was 145.8 MB in the beginning and 241.7 MB in the end (delta: 95.9 MB). Free memory was 95.6 MB in the beginning and 164.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-10-07 11:08:43,131 INFO L168 Benchmark]: Boogie Preprocessor took 266.62 ms. Allocated memory is still 241.7 MB. Free memory was 164.7 MB in the beginning and 146.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-10-07 11:08:43,134 INFO L168 Benchmark]: RCFGBuilder took 5435.84 ms. Allocated memory was 241.7 MB in the beginning and 309.9 MB in the end (delta: 68.2 MB). Free memory was 146.8 MB in the beginning and 122.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. [2019-10-07 11:08:43,138 INFO L168 Benchmark]: TraceAbstraction took 752613.86 ms. Allocated memory was 309.9 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 122.4 MB in the beginning and 482.5 MB in the end (delta: -360.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-10-07 11:08:43,141 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1917.02 ms. Allocated memory was 145.8 MB in the beginning and 241.7 MB in the end (delta: 95.9 MB). Free memory was 95.6 MB in the beginning and 164.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 266.62 ms. Allocated memory is still 241.7 MB. Free memory was 164.7 MB in the beginning and 146.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5435.84 ms. Allocated memory was 241.7 MB in the beginning and 309.9 MB in the end (delta: 68.2 MB). Free memory was 146.8 MB in the beginning and 122.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 752613.86 ms. Allocated memory was 309.9 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 122.4 MB in the beginning and 482.5 MB in the end (delta: -360.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...