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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 06:12:38,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 06:12:38,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 06:12:38,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 06:12:38,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 06:12:38,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 06:12:38,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 06:12:38,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 06:12:38,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 06:12:38,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 06:12:38,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 06:12:38,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 06:12:38,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 06:12:38,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 06:12:38,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 06:12:38,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 06:12:38,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 06:12:38,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 06:12:38,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 06:12:38,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 06:12:38,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 06:12:38,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 06:12:38,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 06:12:38,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 06:12:38,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 06:12:38,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 06:12:38,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 06:12:38,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 06:12:38,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 06:12:38,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 06:12:38,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 06:12:38,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 06:12:38,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 06:12:38,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 06:12:38,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 06:12:38,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 06:12:38,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 06:12:38,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 06:12:38,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 06:12:38,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 06:12:38,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 06:12:38,656 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 06:12:38,680 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 06:12:38,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 06:12:38,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 06:12:38,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 06:12:38,683 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 06:12:38,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 06:12:38,684 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 06:12:38,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 06:12:38,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 06:12:38,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 06:12:38,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 06:12:38,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 06:12:38,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 06:12:38,685 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 06:12:38,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 06:12:38,685 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 06:12:38,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 06:12:38,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 06:12:38,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 06:12:38,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 06:12:38,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 06:12:38,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:12:38,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 06:12:38,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 06:12:38,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 06:12:38,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 06:12:38,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 06:12:38,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 06:12:38,692 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 06:12:38,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 06:12:38,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 06:12:38,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 06:12:38,996 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 06:12:38,996 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 06:12:38,997 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-07 06:12:39,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8386876c/c6971f48d59c4b19ab83f95c486c15cf/FLAGfd0555a1d [2019-10-07 06:12:39,739 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 06:12:39,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-07 06:12:39,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8386876c/c6971f48d59c4b19ab83f95c486c15cf/FLAGfd0555a1d [2019-10-07 06:12:39,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8386876c/c6971f48d59c4b19ab83f95c486c15cf [2019-10-07 06:12:39,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 06:12:39,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 06:12:39,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 06:12:39,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 06:12:39,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 06:12:39,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:12:39" (1/1) ... [2019-10-07 06:12:39,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9c56da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:39, skipping insertion in model container [2019-10-07 06:12:39,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:12:39" (1/1) ... [2019-10-07 06:12:39,861 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 06:12:39,952 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 06:12:41,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:12:41,291 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 06:12:41,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:12:41,856 INFO L192 MainTranslator]: Completed translation [2019-10-07 06:12:41,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41 WrapperNode [2019-10-07 06:12:41,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 06:12:41,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 06:12:41,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 06:12:41,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 06:12:41,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (1/1) ... [2019-10-07 06:12:41,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (1/1) ... [2019-10-07 06:12:41,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (1/1) ... [2019-10-07 06:12:41,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (1/1) ... [2019-10-07 06:12:42,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (1/1) ... [2019-10-07 06:12:42,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (1/1) ... [2019-10-07 06:12:42,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (1/1) ... [2019-10-07 06:12:42,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 06:12:42,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 06:12:42,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 06:12:42,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 06:12:42,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (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 06:12:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 06:12:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 06:12:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 06:12:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 06:12:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 06:12:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 06:12:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 06:12:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 06:12:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 06:12:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-07 06:12:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2019-10-07 06:12:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-07 06:12:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 06:12:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 06:12:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 06:12:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 06:12:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 06:12:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-07 06:12:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 06:12:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 06:12:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-07 06:12:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-07 06:12:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-07 06:12:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 06:12:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 06:12:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 06:12:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 06:12:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 06:12:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-07 06:12:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-10-07 06:12:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-07 06:12:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2019-10-07 06:12:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-10-07 06:12:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2019-10-07 06:12:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-10-07 06:12:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2019-10-07 06:12:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2019-10-07 06:12:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2019-10-07 06:12:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2019-10-07 06:12:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-07 06:12:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2019-10-07 06:12:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2019-10-07 06:12:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2019-10-07 06:12:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2019-10-07 06:12:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2019-10-07 06:12:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2019-10-07 06:12:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2019-10-07 06:12:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2019-10-07 06:12:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2019-10-07 06:12:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2019-10-07 06:12:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2019-10-07 06:12:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2019-10-07 06:12:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2019-10-07 06:12:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2019-10-07 06:12:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2019-10-07 06:12:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2019-10-07 06:12:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2019-10-07 06:12:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2019-10-07 06:12:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2019-10-07 06:12:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2019-10-07 06:12:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2019-10-07 06:12:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2019-10-07 06:12:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2019-10-07 06:12:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2019-10-07 06:12:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2019-10-07 06:12:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2019-10-07 06:12:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2019-10-07 06:12:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2019-10-07 06:12:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2019-10-07 06:12:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2019-10-07 06:12:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2019-10-07 06:12:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2019-10-07 06:12:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2019-10-07 06:12:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2019-10-07 06:12:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2019-10-07 06:12:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2019-10-07 06:12:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 06:12:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-07 06:12:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-07 06:12:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-07 06:12:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-07 06:12:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-07 06:12:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-10-07 06:12:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-07 06:12:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2019-10-07 06:12:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-07 06:12:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-07 06:12:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-07 06:12:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-07 06:12:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-07 06:12:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 06:12:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 06:12:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 06:12:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 06:12:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 06:12:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 06:12:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 06:12:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 06:12:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 06:12:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 06:12:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 06:12:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 06:12:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 06:12:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 06:12:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 06:12:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 06:12:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-10-07 06:12:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-10-07 06:12:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-10-07 06:12:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-10-07 06:12:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-10-07 06:12:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-10-07 06:12:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-10-07 06:12:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 06:12:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 06:12:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 06:12:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 06:12:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 06:12:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 06:12:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 06:12:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 06:12:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 06:12:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 06:12:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 06:12:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 06:12:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-07 06:12:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 06:12:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 06:12:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-10-07 06:12:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 06:12:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2019-10-07 06:12:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-07 06:12:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2019-10-07 06:12:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2019-10-07 06:12:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2019-10-07 06:12:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2019-10-07 06:12:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-07 06:12:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2019-10-07 06:12:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-07 06:12:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-07 06:12:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2019-10-07 06:12:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-07 06:12:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-07 06:12:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-07 06:12:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 06:12:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-07 06:12:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-07 06:12:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 06:12:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-07 06:12:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 06:12:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 06:12:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-10-07 06:12:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-07 06:12:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 06:12:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 06:12:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-10-07 06:12:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-07 06:12:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-07 06:12:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 06:12:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 06:12:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 06:12:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 06:12:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 06:12:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 06:12:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 06:12:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 06:12:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 06:12:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 06:12:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 06:12:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 06:12:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 06:12:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 06:12:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-10-07 06:12:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-07 06:12:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 06:12:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 06:12:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2019-10-07 06:12:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-07 06:12:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 06:12:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 06:12:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 06:12:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 06:12:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-07 06:12:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 06:12:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-07 06:12:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-07 06:12:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-07 06:12:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-07 06:12:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-07 06:12:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-07 06:12:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-07 06:12:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-10-07 06:12:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2019-10-07 06:12:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-07 06:12:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-07 06:12:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 06:12:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-07 06:12:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-07 06:12:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 06:12:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 06:12:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 06:12:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 06:12:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 06:12:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2019-10-07 06:12:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2019-10-07 06:12:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-07 06:12:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2019-10-07 06:12:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-07 06:12:42,232 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 06:12:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 06:12:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 06:12:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 06:12:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 06:12:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 06:12:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 06:12:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 06:12:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 06:12:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 06:12:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-10-07 06:12:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 06:12:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 06:12:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-07 06:12:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 06:12:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-10-07 06:12:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 06:12:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 06:12:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 06:12:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 06:12:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-07 06:12:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 06:12:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 06:12:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 06:12:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-07 06:12:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-07 06:12:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 06:12:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 06:12:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 06:12:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 06:12:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 06:12:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 06:12:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 06:12:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 06:12:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 06:12:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 06:12:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-07 06:12:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-07 06:12:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 06:12:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 06:12:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-07 06:12:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-07 06:12:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-10-07 06:12:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-07 06:12:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-07 06:12:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-07 06:12:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-07 06:12:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2019-10-07 06:12:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2019-10-07 06:12:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-10-07 06:12:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2019-10-07 06:12:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-10-07 06:12:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2019-10-07 06:12:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2019-10-07 06:12:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2019-10-07 06:12:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2019-10-07 06:12:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2019-10-07 06:12:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2019-10-07 06:12:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2019-10-07 06:12:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2019-10-07 06:12:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2019-10-07 06:12:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2019-10-07 06:12:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2019-10-07 06:12:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2019-10-07 06:12:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2019-10-07 06:12:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2019-10-07 06:12:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2019-10-07 06:12:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2019-10-07 06:12:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2019-10-07 06:12:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2019-10-07 06:12:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2019-10-07 06:12:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2019-10-07 06:12:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2019-10-07 06:12:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2019-10-07 06:12:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2019-10-07 06:12:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2019-10-07 06:12:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 06:12:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2019-10-07 06:12:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2019-10-07 06:12:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 06:12:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2019-10-07 06:12:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2019-10-07 06:12:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2019-10-07 06:12:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 06:12:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 06:12:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 06:12:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 06:12:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 06:12:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 06:12:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 06:12:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 06:12:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2019-10-07 06:12:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 06:12:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 06:12:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 06:12:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 06:12:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 06:12:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 06:12:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 06:12:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 06:12:53,016 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 06:12:53,016 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 06:12:53,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:12:53 BoogieIcfgContainer [2019-10-07 06:12:53,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 06:12:53,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 06:12:53,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 06:12:53,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 06:12:53,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 06:12:39" (1/3) ... [2019-10-07 06:12:53,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1939b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:12:53, skipping insertion in model container [2019-10-07 06:12:53,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:12:41" (2/3) ... [2019-10-07 06:12:53,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1939b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:12:53, skipping insertion in model container [2019-10-07 06:12:53,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:12:53" (3/3) ... [2019-10-07 06:12:53,026 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2019-10-07 06:12:53,035 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 06:12:53,045 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 06:12:53,056 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 06:12:53,088 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 06:12:53,088 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 06:12:53,088 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 06:12:53,088 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 06:12:53,089 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 06:12:53,089 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 06:12:53,089 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 06:12:53,089 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 06:12:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states. [2019-10-07 06:12:53,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-07 06:12:53,134 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:12:53,135 INFO L385 BasicCegarLoop]: trace histogram [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 06:12:53,137 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:12:53,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:12:53,142 INFO L82 PathProgramCache]: Analyzing trace with hash -112171225, now seen corresponding path program 1 times [2019-10-07 06:12:53,148 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:12:53,148 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:53,148 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:53,148 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:53,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:12:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:12:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:12:53,561 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:53,562 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:12:53,562 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:12:53,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:12:53,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:12:53,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:12:53,584 INFO L87 Difference]: Start difference. First operand 944 states. Second operand 3 states. [2019-10-07 06:12:53,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:12:53,777 INFO L93 Difference]: Finished difference Result 1556 states and 2029 transitions. [2019-10-07 06:12:53,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:12:53,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-07 06:12:53,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:12:53,822 INFO L225 Difference]: With dead ends: 1556 [2019-10-07 06:12:53,822 INFO L226 Difference]: Without dead ends: 780 [2019-10-07 06:12:53,837 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 06:12:53,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2019-10-07 06:12:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2019-10-07 06:12:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2019-10-07 06:12:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1000 transitions. [2019-10-07 06:12:53,991 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1000 transitions. Word has length 24 [2019-10-07 06:12:53,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:12:53,993 INFO L462 AbstractCegarLoop]: Abstraction has 780 states and 1000 transitions. [2019-10-07 06:12:53,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:12:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1000 transitions. [2019-10-07 06:12:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-07 06:12:53,995 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:12:53,995 INFO L385 BasicCegarLoop]: trace histogram [1, 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 06:12:53,995 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:12:53,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:12:53,996 INFO L82 PathProgramCache]: Analyzing trace with hash 817094501, now seen corresponding path program 1 times [2019-10-07 06:12:53,996 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:12:53,996 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:53,996 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:53,996 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:53,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:12:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:12:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:12:54,120 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:54,121 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:12:54,121 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:12:54,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:12:54,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:12:54,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:12:54,125 INFO L87 Difference]: Start difference. First operand 780 states and 1000 transitions. Second operand 3 states. [2019-10-07 06:12:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:12:54,239 INFO L93 Difference]: Finished difference Result 782 states and 1001 transitions. [2019-10-07 06:12:54,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:12:54,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-07 06:12:54,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:12:54,248 INFO L225 Difference]: With dead ends: 782 [2019-10-07 06:12:54,249 INFO L226 Difference]: Without dead ends: 779 [2019-10-07 06:12:54,250 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 06:12:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2019-10-07 06:12:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2019-10-07 06:12:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2019-10-07 06:12:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 998 transitions. [2019-10-07 06:12:54,313 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 998 transitions. Word has length 25 [2019-10-07 06:12:54,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:12:54,313 INFO L462 AbstractCegarLoop]: Abstraction has 779 states and 998 transitions. [2019-10-07 06:12:54,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:12:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 998 transitions. [2019-10-07 06:12:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-07 06:12:54,315 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:12:54,315 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 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 06:12:54,315 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:12:54,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:12:54,315 INFO L82 PathProgramCache]: Analyzing trace with hash -440434198, now seen corresponding path program 1 times [2019-10-07 06:12:54,316 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:12:54,316 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:54,316 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:54,316 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:12:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:12:54,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:12:54,410 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:54,410 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:12:54,410 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:12:54,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:12:54,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:12:54,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:12:54,412 INFO L87 Difference]: Start difference. First operand 779 states and 998 transitions. Second operand 3 states. [2019-10-07 06:12:54,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:12:54,495 INFO L93 Difference]: Finished difference Result 1025 states and 1301 transitions. [2019-10-07 06:12:54,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:12:54,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-07 06:12:54,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:12:54,503 INFO L225 Difference]: With dead ends: 1025 [2019-10-07 06:12:54,503 INFO L226 Difference]: Without dead ends: 1010 [2019-10-07 06:12:54,504 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 06:12:54,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2019-10-07 06:12:54,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1010. [2019-10-07 06:12:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1010 states. [2019-10-07 06:12:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1282 transitions. [2019-10-07 06:12:54,559 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1282 transitions. Word has length 26 [2019-10-07 06:12:54,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:12:54,560 INFO L462 AbstractCegarLoop]: Abstraction has 1010 states and 1282 transitions. [2019-10-07 06:12:54,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:12:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1282 transitions. [2019-10-07 06:12:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 06:12:54,564 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:12:54,564 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 06:12:54,565 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:12:54,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:12:54,565 INFO L82 PathProgramCache]: Analyzing trace with hash 956393434, now seen corresponding path program 1 times [2019-10-07 06:12:54,565 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:12:54,565 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:54,565 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:54,566 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:54,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:12:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:12:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 06:12:54,647 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:54,647 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:12:54,647 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:12:54,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:12:54,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:12:54,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:12:54,649 INFO L87 Difference]: Start difference. First operand 1010 states and 1282 transitions. Second operand 3 states. [2019-10-07 06:12:54,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:12:54,743 INFO L93 Difference]: Finished difference Result 2046 states and 2628 transitions. [2019-10-07 06:12:54,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:12:54,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-07 06:12:54,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:12:54,750 INFO L225 Difference]: With dead ends: 2046 [2019-10-07 06:12:54,751 INFO L226 Difference]: Without dead ends: 1054 [2019-10-07 06:12:54,754 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 06:12:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2019-10-07 06:12:54,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1054. [2019-10-07 06:12:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2019-10-07 06:12:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1357 transitions. [2019-10-07 06:12:54,811 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1357 transitions. Word has length 54 [2019-10-07 06:12:54,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:12:54,811 INFO L462 AbstractCegarLoop]: Abstraction has 1054 states and 1357 transitions. [2019-10-07 06:12:54,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:12:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1357 transitions. [2019-10-07 06:12:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 06:12:54,815 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:12:54,815 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 06:12:54,815 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:12:54,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:12:54,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1647348691, now seen corresponding path program 1 times [2019-10-07 06:12:54,816 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:12:54,816 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:54,816 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:54,816 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:54,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:12:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:12:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 06:12:55,022 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:55,022 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:12:55,022 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 06:12:55,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 06:12:55,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 06:12:55,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-07 06:12:55,023 INFO L87 Difference]: Start difference. First operand 1054 states and 1357 transitions. Second operand 8 states. [2019-10-07 06:12:55,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:12:55,848 INFO L93 Difference]: Finished difference Result 1174 states and 1479 transitions. [2019-10-07 06:12:55,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 06:12:55,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2019-10-07 06:12:55,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:12:55,858 INFO L225 Difference]: With dead ends: 1174 [2019-10-07 06:12:55,858 INFO L226 Difference]: Without dead ends: 1171 [2019-10-07 06:12:55,860 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-07 06:12:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2019-10-07 06:12:55,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1171. [2019-10-07 06:12:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1171 states. [2019-10-07 06:12:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1476 transitions. [2019-10-07 06:12:55,916 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1476 transitions. Word has length 64 [2019-10-07 06:12:55,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:12:55,917 INFO L462 AbstractCegarLoop]: Abstraction has 1171 states and 1476 transitions. [2019-10-07 06:12:55,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 06:12:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1476 transitions. [2019-10-07 06:12:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-07 06:12:55,922 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:12:55,922 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 06:12:55,922 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:12:55,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:12:55,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1115718217, now seen corresponding path program 1 times [2019-10-07 06:12:55,923 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:12:55,923 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:55,923 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:55,923 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:55,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:12:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:12:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 06:12:56,211 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:56,212 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:12:56,212 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 06:12:56,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 06:12:56,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 06:12:56,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-07 06:12:56,213 INFO L87 Difference]: Start difference. First operand 1171 states and 1476 transitions. Second operand 9 states. [2019-10-07 06:12:59,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:12:59,338 INFO L93 Difference]: Finished difference Result 1447 states and 1824 transitions. [2019-10-07 06:12:59,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 06:12:59,338 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-10-07 06:12:59,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:12:59,348 INFO L225 Difference]: With dead ends: 1447 [2019-10-07 06:12:59,348 INFO L226 Difference]: Without dead ends: 1432 [2019-10-07 06:12:59,350 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-07 06:12:59,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2019-10-07 06:12:59,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1398. [2019-10-07 06:12:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2019-10-07 06:12:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1749 transitions. [2019-10-07 06:12:59,420 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1749 transitions. Word has length 72 [2019-10-07 06:12:59,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:12:59,420 INFO L462 AbstractCegarLoop]: Abstraction has 1398 states and 1749 transitions. [2019-10-07 06:12:59,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 06:12:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1749 transitions. [2019-10-07 06:12:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 06:12:59,425 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:12:59,425 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 06:12:59,426 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:12:59,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:12:59,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1278779957, now seen corresponding path program 1 times [2019-10-07 06:12:59,426 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:12:59,426 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:59,426 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:59,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:59,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:12:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:12:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 06:12:59,578 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:59,579 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:12:59,579 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 06:12:59,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 06:12:59,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 06:12:59,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:12:59,581 INFO L87 Difference]: Start difference. First operand 1398 states and 1749 transitions. Second operand 5 states. [2019-10-07 06:12:59,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:12:59,664 INFO L93 Difference]: Finished difference Result 2796 states and 3503 transitions. [2019-10-07 06:12:59,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 06:12:59,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-10-07 06:12:59,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:12:59,673 INFO L225 Difference]: With dead ends: 2796 [2019-10-07 06:12:59,673 INFO L226 Difference]: Without dead ends: 1406 [2019-10-07 06:12:59,679 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:12:59,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2019-10-07 06:12:59,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1403. [2019-10-07 06:12:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2019-10-07 06:12:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1753 transitions. [2019-10-07 06:12:59,761 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1753 transitions. Word has length 89 [2019-10-07 06:12:59,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:12:59,762 INFO L462 AbstractCegarLoop]: Abstraction has 1403 states and 1753 transitions. [2019-10-07 06:12:59,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 06:12:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1753 transitions. [2019-10-07 06:12:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-07 06:12:59,770 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:12:59,771 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 06:12:59,771 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:12:59,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:12:59,771 INFO L82 PathProgramCache]: Analyzing trace with hash -252832200, now seen corresponding path program 1 times [2019-10-07 06:12:59,772 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:12:59,772 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:12:59,772 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:59,772 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:12:59,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:12:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 06:13:00,063 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:00,064 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:13:00,064 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 06:13:00,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 06:13:00,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 06:13:00,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-07 06:13:00,065 INFO L87 Difference]: Start difference. First operand 1403 states and 1753 transitions. Second operand 11 states. [2019-10-07 06:13:00,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:13:00,250 INFO L93 Difference]: Finished difference Result 2828 states and 3532 transitions. [2019-10-07 06:13:00,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 06:13:00,250 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 110 [2019-10-07 06:13:00,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:13:00,259 INFO L225 Difference]: With dead ends: 2828 [2019-10-07 06:13:00,260 INFO L226 Difference]: Without dead ends: 1423 [2019-10-07 06:13:00,265 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-07 06:13:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2019-10-07 06:13:00,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1413. [2019-10-07 06:13:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1413 states. [2019-10-07 06:13:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1762 transitions. [2019-10-07 06:13:00,344 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1762 transitions. Word has length 110 [2019-10-07 06:13:00,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:13:00,344 INFO L462 AbstractCegarLoop]: Abstraction has 1413 states and 1762 transitions. [2019-10-07 06:13:00,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 06:13:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1762 transitions. [2019-10-07 06:13:00,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 06:13:00,348 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:13:00,348 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 06:13:00,348 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:13:00,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:13:00,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1497960156, now seen corresponding path program 1 times [2019-10-07 06:13:00,349 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:13:00,349 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:00,349 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:00,349 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:00,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:13:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 06:13:00,613 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:00,613 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:13:00,613 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 06:13:00,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 06:13:00,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 06:13:00,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-07 06:13:00,616 INFO L87 Difference]: Start difference. First operand 1413 states and 1762 transitions. Second operand 8 states. [2019-10-07 06:13:00,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:13:00,920 INFO L93 Difference]: Finished difference Result 1446 states and 1797 transitions. [2019-10-07 06:13:00,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 06:13:00,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2019-10-07 06:13:00,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:13:00,930 INFO L225 Difference]: With dead ends: 1446 [2019-10-07 06:13:00,930 INFO L226 Difference]: Without dead ends: 1443 [2019-10-07 06:13:00,931 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-07 06:13:00,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2019-10-07 06:13:00,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1441. [2019-10-07 06:13:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1441 states. [2019-10-07 06:13:00,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1792 transitions. [2019-10-07 06:13:00,990 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1792 transitions. Word has length 114 [2019-10-07 06:13:00,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:13:00,991 INFO L462 AbstractCegarLoop]: Abstraction has 1441 states and 1792 transitions. [2019-10-07 06:13:00,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 06:13:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1792 transitions. [2019-10-07 06:13:00,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 06:13:00,995 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:13:00,995 INFO L385 BasicCegarLoop]: trace histogram [3, 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 06:13:00,996 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:13:00,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:13:00,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2059897439, now seen corresponding path program 1 times [2019-10-07 06:13:00,996 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:13:00,996 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:00,997 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:00,997 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:13:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 06:13:01,148 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:01,148 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:13:01,148 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 06:13:01,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 06:13:01,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 06:13:01,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-07 06:13:01,149 INFO L87 Difference]: Start difference. First operand 1441 states and 1792 transitions. Second operand 8 states. [2019-10-07 06:13:01,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:13:01,670 INFO L93 Difference]: Finished difference Result 1501 states and 1851 transitions. [2019-10-07 06:13:01,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 06:13:01,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2019-10-07 06:13:01,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:13:01,678 INFO L225 Difference]: With dead ends: 1501 [2019-10-07 06:13:01,678 INFO L226 Difference]: Without dead ends: 1498 [2019-10-07 06:13:01,679 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-07 06:13:01,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2019-10-07 06:13:01,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1488. [2019-10-07 06:13:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2019-10-07 06:13:01,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1838 transitions. [2019-10-07 06:13:01,737 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1838 transitions. Word has length 121 [2019-10-07 06:13:01,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:13:01,738 INFO L462 AbstractCegarLoop]: Abstraction has 1488 states and 1838 transitions. [2019-10-07 06:13:01,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 06:13:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1838 transitions. [2019-10-07 06:13:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-07 06:13:01,743 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:13:01,743 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:13:01,744 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:13:01,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:13:01,744 INFO L82 PathProgramCache]: Analyzing trace with hash -43065415, now seen corresponding path program 1 times [2019-10-07 06:13:01,744 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:13:01,744 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:01,745 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:01,745 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:13:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 06:13:01,841 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:01,841 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:13:01,841 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 06:13:01,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 06:13:01,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 06:13:01,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 06:13:01,843 INFO L87 Difference]: Start difference. First operand 1488 states and 1838 transitions. Second operand 4 states. [2019-10-07 06:13:01,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:13:01,949 INFO L93 Difference]: Finished difference Result 3022 states and 3775 transitions. [2019-10-07 06:13:01,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 06:13:01,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2019-10-07 06:13:01,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:13:01,960 INFO L225 Difference]: With dead ends: 3022 [2019-10-07 06:13:01,960 INFO L226 Difference]: Without dead ends: 1552 [2019-10-07 06:13:01,966 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 06:13:01,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2019-10-07 06:13:02,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1552. [2019-10-07 06:13:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2019-10-07 06:13:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1949 transitions. [2019-10-07 06:13:02,040 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1949 transitions. Word has length 130 [2019-10-07 06:13:02,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:13:02,041 INFO L462 AbstractCegarLoop]: Abstraction has 1552 states and 1949 transitions. [2019-10-07 06:13:02,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 06:13:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1949 transitions. [2019-10-07 06:13:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 06:13:02,046 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:13:02,047 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 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 06:13:02,047 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:13:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:13:02,047 INFO L82 PathProgramCache]: Analyzing trace with hash 2124567457, now seen corresponding path program 1 times [2019-10-07 06:13:02,048 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:13:02,048 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:02,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:02,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:13:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 06:13:02,388 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:02,389 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:13:02,389 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 06:13:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:02,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 35 conjunts are in the unsatisfiable core [2019-10-07 06:13:02,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:13:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 06:13:03,152 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:13:03,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 06:13:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-07 06:13:04,062 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 06:13:04,062 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10, 8] imperfect sequences [9] total 21 [2019-10-07 06:13:04,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-07 06:13:04,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-07 06:13:04,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2019-10-07 06:13:04,064 INFO L87 Difference]: Start difference. First operand 1552 states and 1949 transitions. Second operand 15 states. [2019-10-07 06:13:05,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:13:05,926 INFO L93 Difference]: Finished difference Result 1876 states and 2389 transitions. [2019-10-07 06:13:05,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 06:13:05,927 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2019-10-07 06:13:05,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:13:05,940 INFO L225 Difference]: With dead ends: 1876 [2019-10-07 06:13:05,940 INFO L226 Difference]: Without dead ends: 1846 [2019-10-07 06:13:05,942 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2019-10-07 06:13:05,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2019-10-07 06:13:06,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1791. [2019-10-07 06:13:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1791 states. [2019-10-07 06:13:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2265 transitions. [2019-10-07 06:13:06,028 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2265 transitions. Word has length 136 [2019-10-07 06:13:06,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:13:06,031 INFO L462 AbstractCegarLoop]: Abstraction has 1791 states and 2265 transitions. [2019-10-07 06:13:06,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-07 06:13:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2265 transitions. [2019-10-07 06:13:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-07 06:13:06,039 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:13:06,039 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:13:06,250 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:13:06,250 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:13:06,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:13:06,251 INFO L82 PathProgramCache]: Analyzing trace with hash 2027297473, now seen corresponding path program 1 times [2019-10-07 06:13:06,251 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:13:06,251 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:06,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:06,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:06,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:13:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:06,368 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-07 06:13:06,368 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:06,368 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:13:06,368 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 06:13:06,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 06:13:06,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 06:13:06,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 06:13:06,370 INFO L87 Difference]: Start difference. First operand 1791 states and 2265 transitions. Second operand 4 states. [2019-10-07 06:13:06,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:13:06,477 INFO L93 Difference]: Finished difference Result 3648 states and 4659 transitions. [2019-10-07 06:13:06,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 06:13:06,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-10-07 06:13:06,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:13:06,490 INFO L225 Difference]: With dead ends: 3648 [2019-10-07 06:13:06,490 INFO L226 Difference]: Without dead ends: 1875 [2019-10-07 06:13:06,497 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-07 06:13:06,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2019-10-07 06:13:06,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2019-10-07 06:13:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1875 states. [2019-10-07 06:13:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2409 transitions. [2019-10-07 06:13:06,580 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2409 transitions. Word has length 137 [2019-10-07 06:13:06,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:13:06,580 INFO L462 AbstractCegarLoop]: Abstraction has 1875 states and 2409 transitions. [2019-10-07 06:13:06,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 06:13:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2409 transitions. [2019-10-07 06:13:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 06:13:06,590 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:13:06,590 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 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] [2019-10-07 06:13:06,591 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:13:06,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:13:06,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1276845299, now seen corresponding path program 1 times [2019-10-07 06:13:06,592 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:13:06,592 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:06,592 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:06,593 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:13:06,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:13:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 06:13:06,789 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:13:06,789 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:13:06,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:13:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:13:07,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 06:13:07,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:13:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 06:13:07,249 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:13:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 06:13:07,409 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 06:13:07,439 INFO L162 IcfgInterpreter]: Started Sifa with 119 locations of interest [2019-10-07 06:13:07,439 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 06:13:07,446 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 06:13:07,454 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 06:13:07,454 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 06:13:09,024 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-10-07 06:13:09,644 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2019-10-07 06:13:09,765 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-10-07 06:13:09,876 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-10-07 06:13:09,987 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-10-07 06:13:10,164 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:10,369 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:10,638 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:10,790 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:11,070 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 06:13:11,262 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:11,443 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:11,582 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:11,713 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:11,841 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 06:13:11,854 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 121 for LOIs [2019-10-07 06:13:12,104 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 578 for LOIs [2019-10-07 06:13:12,310 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 06:13:12,415 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 06:13:12,924 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:13,073 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:13,280 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:13,598 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 586 [2019-10-07 06:13:13,893 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:14,053 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:14,169 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:14,378 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:15,141 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:16,364 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:17,598 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:17,743 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:19,000 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:20,415 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:20,559 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:22,113 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:23,715 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:23,851 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:24,876 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:24,980 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:25,548 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:27,403 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:27,529 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:29,378 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:31,395 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:31,517 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:33,534 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2019-10-07 06:13:35,841 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:38,065 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:38,367 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:38,577 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 06:13:39,371 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:13:39,372 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 06:13:39,379 INFO L168 Benchmark]: Toolchain (without parser) took 59531.88 ms. Allocated memory was 137.4 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 95.4 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 922.2 MB. Max. memory is 7.1 GB. [2019-10-07 06:13:39,380 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 06:13:39,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2009.43 ms. Allocated memory was 137.4 MB in the beginning and 236.5 MB in the end (delta: 99.1 MB). Free memory was 95.0 MB in the beginning and 163.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2019-10-07 06:13:39,381 INFO L168 Benchmark]: Boogie Preprocessor took 255.10 ms. Allocated memory is still 236.5 MB. Free memory was 163.6 MB in the beginning and 144.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-10-07 06:13:39,382 INFO L168 Benchmark]: RCFGBuilder took 10905.49 ms. Allocated memory was 236.5 MB in the beginning and 614.5 MB in the end (delta: 378.0 MB). Free memory was 144.1 MB in the beginning and 526.0 MB in the end (delta: -382.0 MB). Peak memory consumption was 459.5 MB. Max. memory is 7.1 GB. [2019-10-07 06:13:39,383 INFO L168 Benchmark]: TraceAbstraction took 46357.59 ms. Allocated memory was 614.5 MB in the beginning and 2.1 GB in the end (delta: 1.5 GB). Free memory was 526.0 MB in the beginning and 1.1 GB in the end (delta: -604.4 MB). Peak memory consumption was 875.7 MB. Max. memory is 7.1 GB. [2019-10-07 06:13:39,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2009.43 ms. Allocated memory was 137.4 MB in the beginning and 236.5 MB in the end (delta: 99.1 MB). Free memory was 95.0 MB in the beginning and 163.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 255.10 ms. Allocated memory is still 236.5 MB. Free memory was 163.6 MB in the beginning and 144.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10905.49 ms. Allocated memory was 236.5 MB in the beginning and 614.5 MB in the end (delta: 378.0 MB). Free memory was 144.1 MB in the beginning and 526.0 MB in the end (delta: -382.0 MB). Peak memory consumption was 459.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46357.59 ms. Allocated memory was 614.5 MB in the beginning and 2.1 GB in the end (delta: 1.5 GB). Free memory was 526.0 MB in the beginning and 1.1 GB in the end (delta: -604.4 MB). Peak memory consumption was 875.7 MB. 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...