/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:35:46,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:35:46,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:35:46,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:35:46,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:35:46,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:35:46,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:35:46,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:35:46,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:35:46,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:35:46,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:35:46,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:35:46,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:35:46,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:35:46,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:35:46,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:35:46,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:35:46,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:35:46,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:35:46,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:35:46,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:35:46,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:35:46,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:35:46,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:35:46,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:35:46,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:35:46,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:35:46,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:35:46,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:35:46,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:35:46,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:35:46,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:35:46,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:35:46,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:35:46,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:35:46,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:35:46,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:35:46,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:35:46,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:35:46,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:35:46,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:35:46,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 17:35:46,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:35:46,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:35:46,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:35:46,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:35:46,651 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:35:46,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:35:46,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:35:46,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:35:46,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:35:46,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:35:46,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:35:46,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:35:46,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:35:46,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:35:46,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:35:46,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:35:46,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:35:46,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:35:46,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:35:46,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:35:46,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:35:46,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:35:46,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:35:46,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:35:46,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:35:46,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:35:46,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:35:46,655 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:35:46,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:35:46,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:35:46,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:35:46,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:35:46,974 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:35:46,975 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-13 17:35:47,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9fca6761/d12754f812a541e19bde5c6c08be8b9d/FLAGcf6a41082 [2020-10-13 17:35:47,804 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:35:47,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-13 17:35:47,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9fca6761/d12754f812a541e19bde5c6c08be8b9d/FLAGcf6a41082 [2020-10-13 17:35:47,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9fca6761/d12754f812a541e19bde5c6c08be8b9d [2020-10-13 17:35:47,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:35:47,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:35:47,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:35:47,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:35:47,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:35:47,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:35:47" (1/1) ... [2020-10-13 17:35:47,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1b9a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:47, skipping insertion in model container [2020-10-13 17:35:47,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:35:47" (1/1) ... [2020-10-13 17:35:47,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:35:48,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:35:49,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:35:49,771 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:35:50,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:35:50,556 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:35:50,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50 WrapperNode [2020-10-13 17:35:50,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:35:50,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:35:50,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:35:50,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:35:50,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (1/1) ... [2020-10-13 17:35:50,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (1/1) ... [2020-10-13 17:35:50,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (1/1) ... [2020-10-13 17:35:50,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (1/1) ... [2020-10-13 17:35:50,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (1/1) ... [2020-10-13 17:35:50,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (1/1) ... [2020-10-13 17:35:50,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (1/1) ... [2020-10-13 17:35:50,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:35:50,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:35:50,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:35:50,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:35:50,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-13 17:35:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:35:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:35:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:35:50,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 17:35:50,974 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-10-13 17:35:50,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-13 17:35:50,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-13 17:35:50,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2020-10-13 17:35:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 17:35:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 17:35:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-13 17:35:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 17:35:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-10-13 17:35:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2020-10-13 17:35:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 17:35:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 17:35:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2020-10-13 17:35:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2020-10-13 17:35:50,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-13 17:35:50,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 17:35:50,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 17:35:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2020-10-13 17:35:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2020-10-13 17:35:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2020-10-13 17:35:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-10-13 17:35:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-10-13 17:35:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-13 17:35:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-13 17:35:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-13 17:35:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 17:35:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 17:35:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 17:35:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-13 17:35:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 17:35:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 17:35:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:35:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:35:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:35:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:35:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2020-10-13 17:35:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2020-10-13 17:35:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2020-10-13 17:35:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2020-10-13 17:35:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2020-10-13 17:35:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2020-10-13 17:35:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2020-10-13 17:35:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2020-10-13 17:35:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2020-10-13 17:35:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2020-10-13 17:35:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2020-10-13 17:35:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2020-10-13 17:35:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2020-10-13 17:35:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2020-10-13 17:35:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2020-10-13 17:35:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2020-10-13 17:35:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2020-10-13 17:35:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2020-10-13 17:35:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2020-10-13 17:35:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2020-10-13 17:35:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2020-10-13 17:35:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2020-10-13 17:35:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2020-10-13 17:35:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2020-10-13 17:35:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2020-10-13 17:35:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2020-10-13 17:35:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2020-10-13 17:35:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2020-10-13 17:35:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2020-10-13 17:35:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2020-10-13 17:35:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2020-10-13 17:35:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2020-10-13 17:35:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2020-10-13 17:35:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2020-10-13 17:35:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2020-10-13 17:35:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2020-10-13 17:35:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2020-10-13 17:35:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2020-10-13 17:35:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2020-10-13 17:35:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2020-10-13 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2020-10-13 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2020-10-13 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2020-10-13 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2020-10-13 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2020-10-13 17:35:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2020-10-13 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2020-10-13 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2020-10-13 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2020-10-13 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2020-10-13 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2020-10-13 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2020-10-13 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2020-10-13 17:35:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2020-10-13 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2020-10-13 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2020-10-13 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2020-10-13 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2020-10-13 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2020-10-13 17:35:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2020-10-13 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-13 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-13 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-13 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-13 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-13 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-13 17:35:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-13 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-13 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-13 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-13 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-10-13 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2020-10-13 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2020-10-13 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2020-10-13 17:35:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 17:35:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 17:35:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 17:35:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:35:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:35:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-13 17:35:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-13 17:35:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:35:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-13 17:35:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-13 17:35:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-13 17:35:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-13 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-13 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-13 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-13 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-13 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-13 17:35:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:35:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-13 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-13 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-13 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-13 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-13 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-13 17:35:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-13 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-13 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-13 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 17:35:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2020-10-13 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-13 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-13 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:35:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2020-10-13 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2020-10-13 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2020-10-13 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-10-13 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-13 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2020-10-13 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2020-10-13 17:35:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2020-10-13 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2020-10-13 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2020-10-13 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2020-10-13 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2020-10-13 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2020-10-13 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2020-10-13 17:35:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2020-10-13 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2020-10-13 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2020-10-13 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2020-10-13 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2020-10-13 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2020-10-13 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2020-10-13 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2020-10-13 17:35:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-13 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_probe_3 [2020-10-13 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_release_3 [2020-10-13 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_probe_2 [2020-10-13 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_release_2 [2020-10-13 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-13 17:35:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-13 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-13 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2020-10-13 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2020-10-13 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-13 17:35:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2020-10-13 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2020-10-13 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2020-10-13 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2020-10-13 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2020-10-13 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-13 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-13 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 17:35:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-13 17:35:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 17:35:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-13 17:35:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 17:35:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2020-10-13 17:35:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 17:35:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 17:35:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-13 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-13 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2020-10-13 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2020-10-13 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-13 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 17:35:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:35:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:35:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 17:35:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:35:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 17:35:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 17:35:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-10-13 17:35:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 17:35:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-13 17:35:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-13 17:35:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:35:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2020-10-13 17:35:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:35:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-13 17:35:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 17:35:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 17:35:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:35:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 17:35:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 17:35:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:35:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-13 17:35:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-13 17:35:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 17:35:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 17:35:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:35:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-13 17:35:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-13 17:35:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 17:35:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-10-13 17:35:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2020-10-13 17:35:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 17:35:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 17:35:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:35:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2020-10-13 17:35:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2020-10-13 17:35:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-13 17:35:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 17:35:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-13 17:35:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-13 17:35:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 17:35:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-13 17:35:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-13 17:35:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-13 17:35:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-13 17:35:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-13 17:35:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2020-10-13 17:35:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-13 17:35:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-13 17:35:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-13 17:35:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-13 17:35:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-13 17:35:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-10-13 17:35:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-13 17:35:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-13 17:35:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-13 17:35:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-13 17:35:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:35:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:35:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:35:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-13 17:35:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-13 17:35:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:35:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 17:35:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 17:35:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:35:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 17:35:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 17:35:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2020-10-13 17:35:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-13 17:35:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-13 17:35:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-13 17:35:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-13 17:35:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-13 17:35:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2020-10-13 17:35:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-13 17:35:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2020-10-13 17:35:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2020-10-13 17:35:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:35:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-10-13 17:35:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:35:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-10-13 17:35:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-13 17:35:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:35:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 17:35:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-13 17:35:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:35:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-13 17:35:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2020-10-13 17:35:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-13 17:35:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 17:35:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 17:35:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2020-10-13 17:35:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 17:35:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 17:35:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2020-10-13 17:35:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 17:35:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2020-10-13 17:35:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-13 17:35:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 17:35:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 17:35:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 17:35:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-13 17:35:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-13 17:35:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-13 17:35:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2020-10-13 17:35:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 17:35:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2020-10-13 17:35:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2020-10-13 17:35:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:35:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:35:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 17:35:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:35:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:35:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:35:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:35:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:35:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:35:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2020-10-13 17:35:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2020-10-13 17:35:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2020-10-13 17:35:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2020-10-13 17:35:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2020-10-13 17:35:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2020-10-13 17:35:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2020-10-13 17:35:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2020-10-13 17:35:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2020-10-13 17:35:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2020-10-13 17:35:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2020-10-13 17:35:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2020-10-13 17:35:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2020-10-13 17:35:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2020-10-13 17:35:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2020-10-13 17:35:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2020-10-13 17:35:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2020-10-13 17:35:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2020-10-13 17:35:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2020-10-13 17:35:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2020-10-13 17:35:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2020-10-13 17:35:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2020-10-13 17:35:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2020-10-13 17:35:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2020-10-13 17:35:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2020-10-13 17:35:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2020-10-13 17:35:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2020-10-13 17:35:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2020-10-13 17:35:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2020-10-13 17:35:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2020-10-13 17:35:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2020-10-13 17:35:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2020-10-13 17:35:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2020-10-13 17:35:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2020-10-13 17:35:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2020-10-13 17:35:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2020-10-13 17:35:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:35:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2020-10-13 17:35:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 17:35:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2020-10-13 17:35:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2020-10-13 17:35:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2020-10-13 17:35:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2020-10-13 17:35:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2020-10-13 17:35:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2020-10-13 17:35:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2020-10-13 17:35:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2020-10-13 17:35:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2020-10-13 17:35:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2020-10-13 17:35:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2020-10-13 17:35:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2020-10-13 17:35:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2020-10-13 17:35:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2020-10-13 17:35:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2020-10-13 17:35:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2020-10-13 17:35:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2020-10-13 17:35:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2020-10-13 17:35:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2020-10-13 17:35:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2020-10-13 17:35:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2020-10-13 17:35:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2020-10-13 17:35:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2020-10-13 17:35:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2020-10-13 17:35:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2020-10-13 17:35:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2020-10-13 17:35:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2020-10-13 17:35:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2020-10-13 17:35:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2020-10-13 17:35:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2020-10-13 17:35:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2020-10-13 17:35:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2020-10-13 17:35:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2020-10-13 17:35:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2020-10-13 17:35:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2020-10-13 17:35:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2020-10-13 17:35:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2020-10-13 17:35:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_probe_2 [2020-10-13 17:35:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_probe_3 [2020-10-13 17:35:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_release_2 [2020-10-13 17:35:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:35:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:35:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_release_3 [2020-10-13 17:35:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:35:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 17:35:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 17:35:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-13 17:35:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:35:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:35:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-13 17:35:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:35:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 17:35:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:35:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:35:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:35:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:35:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:35:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:35:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:35:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 17:35:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:35:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 17:36:04,992 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:36:04,992 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 17:36:05,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:36:05 BoogieIcfgContainer [2020-10-13 17:36:05,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:36:05,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:36:05,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:36:05,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:36:05,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:35:47" (1/3) ... [2020-10-13 17:36:05,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737fa2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:36:05, skipping insertion in model container [2020-10-13 17:36:05,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:35:50" (2/3) ... [2020-10-13 17:36:05,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737fa2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:36:05, skipping insertion in model container [2020-10-13 17:36:05,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:36:05" (3/3) ... [2020-10-13 17:36:05,017 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-13 17:36:05,029 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:36:05,038 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:36:05,052 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:36:05,085 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:36:05,085 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:36:05,085 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:36:05,085 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:36:05,085 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:36:05,085 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:36:05,085 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:36:05,086 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:36:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states. [2020-10-13 17:36:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-13 17:36:05,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:36:05,161 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:36:05,161 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:36:05,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:36:05,167 INFO L82 PathProgramCache]: Analyzing trace with hash -812196023, now seen corresponding path program 1 times [2020-10-13 17:36:05,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:36:05,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365291175] [2020-10-13 17:36:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:36:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:36:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:36:07,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:36:09,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:36:09,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 17:36:09,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:36:09,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3833 [2020-10-13 17:36:09,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:36:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:36:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 17:36:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 17:36:09,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 17:36:12,167 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-13 17:36:12,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:36:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:36:12,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:36:12,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:36:12,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:36:12,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:36:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-13 17:36:12,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:36:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:36:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:36:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:36:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:36:12,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:36:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:36:12,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:36:12,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:36:12,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:36:12,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:36:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:36:12,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:36:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:36:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:36:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:36:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:36:12,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 17:36:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:36:12,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:36:12,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:36:12,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 17:36:12,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:36:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 17:36:12,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:36:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:36:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 17:36:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:36:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:36:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:36:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:36:12,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:36:12,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:36:12,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:36:12,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:36:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:36:12,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:36:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:36:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:36:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:36:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:36:12,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:36:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:36:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:36:12,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:36:12,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:36:12,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:36:12,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:36:12,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:36:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:36:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:36:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:36:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:36:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:36:12,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365291175] [2020-10-13 17:36:12,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:36:12,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 17:36:12,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218345173] [2020-10-13 17:36:12,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 17:36:12,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:36:12,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 17:36:12,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:36:12,856 INFO L87 Difference]: Start difference. First operand 1680 states. Second operand 6 states. [2020-10-13 17:36:20,015 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-13 17:37:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:37:45,685 INFO L93 Difference]: Finished difference Result 4967 states and 6702 transitions. [2020-10-13 17:37:45,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 17:37:45,688 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-13 17:37:45,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:37:45,747 INFO L225 Difference]: With dead ends: 4967 [2020-10-13 17:37:45,747 INFO L226 Difference]: Without dead ends: 3479 [2020-10-13 17:37:45,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:37:45,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2020-10-13 17:37:46,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 2881. [2020-10-13 17:37:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2881 states. [2020-10-13 17:37:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 3701 transitions. [2020-10-13 17:37:46,840 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 3701 transitions. Word has length 34 [2020-10-13 17:37:46,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:37:46,841 INFO L479 AbstractCegarLoop]: Abstraction has 2881 states and 3701 transitions. [2020-10-13 17:37:46,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 17:37:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3701 transitions. [2020-10-13 17:37:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-13 17:37:46,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:37:46,848 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:37:46,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:37:46,848 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:37:46,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:37:46,849 INFO L82 PathProgramCache]: Analyzing trace with hash 722310444, now seen corresponding path program 1 times [2020-10-13 17:37:46,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:37:46,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646262884] [2020-10-13 17:37:46,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:37:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:37:47,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:37:48,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:37:50,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:37:50,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 17:37:50,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:37:50,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3648 [2020-10-13 17:37:50,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:37:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:37:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 17:37:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:37:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:37:53,649 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-13 17:37:53,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:37:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:37:53,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:37:53,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:37:53,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:37:53,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:37:53,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-13 17:37:53,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:37:53,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:37:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:37:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:37:54,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:37:54,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:37:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:37:54,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:37:54,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:37:54,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:37:54,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:37:54,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:37:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:37:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:37:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:37:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:37:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:37:54,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 17:37:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:37:54,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:37:54,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:37:54,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 17:37:54,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:37:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:37:54,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:37:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:37:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:37:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:37:54,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:37:54,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:37:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:37:54,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:37:54,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:37:54,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:37:54,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:37:54,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 17:37:54,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:37:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:37:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:37:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:37:54,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:37:54,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:37:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:37:54,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:37:54,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:37:54,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:37:54,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:37:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:37:54,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:37:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:37:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:37:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:37:54,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:37:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:37:54,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646262884] [2020-10-13 17:37:54,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:37:54,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 17:37:54,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85342163] [2020-10-13 17:37:54,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 17:37:54,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:37:54,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 17:37:54,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:37:54,236 INFO L87 Difference]: Start difference. First operand 2881 states and 3701 transitions. Second operand 6 states. [2020-10-13 17:37:59,068 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-13 17:38:39,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:38:39,948 INFO L93 Difference]: Finished difference Result 3490 states and 4625 transitions. [2020-10-13 17:38:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 17:38:39,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-13 17:38:39,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:38:39,971 INFO L225 Difference]: With dead ends: 3490 [2020-10-13 17:38:39,971 INFO L226 Difference]: Without dead ends: 3477 [2020-10-13 17:38:39,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:38:39,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3477 states. [2020-10-13 17:38:40,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3477 to 2890. [2020-10-13 17:38:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2890 states. [2020-10-13 17:38:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2890 states and 3706 transitions. [2020-10-13 17:38:40,928 INFO L78 Accepts]: Start accepts. Automaton has 2890 states and 3706 transitions. Word has length 39 [2020-10-13 17:38:40,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:38:40,928 INFO L479 AbstractCegarLoop]: Abstraction has 2890 states and 3706 transitions. [2020-10-13 17:38:40,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 17:38:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2890 states and 3706 transitions. [2020-10-13 17:38:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-13 17:38:40,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:38:40,931 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:38:40,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:38:40,932 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:38:40,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:38:40,932 INFO L82 PathProgramCache]: Analyzing trace with hash 779568746, now seen corresponding path program 1 times [2020-10-13 17:38:40,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:38:40,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65940809] [2020-10-13 17:38:40,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:38:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:42,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:42,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 17:38:42,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:42,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1825 [2020-10-13 17:38:42,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:38:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:38:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 17:38:42,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:38:45,150 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-13 17:38:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:38:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:45,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:45,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:45,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:38:45,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:45,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-10-13 17:38:45,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:45,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:38:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:38:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:38:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:38:45,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:38:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:45,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:45,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:38:45,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:45,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:38:45,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:38:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:38:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:38:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:38:45,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 17:38:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:45,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:45,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:45,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 17:38:45,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 17:38:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:38:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:38:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 17:38:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:38:45,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:38:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:45,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:45,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:45,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:38:45,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:45,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:38:45,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:38:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:38:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:38:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:38:45,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:38:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:45,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:45,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:45,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:38:45,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:45,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:38:45,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:45,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:38:45,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:38:45,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:38:45,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:38:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:38:45,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65940809] [2020-10-13 17:38:45,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:38:45,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 17:38:45,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329286127] [2020-10-13 17:38:45,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 17:38:45,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:38:45,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 17:38:45,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:38:45,727 INFO L87 Difference]: Start difference. First operand 2890 states and 3706 transitions. Second operand 6 states. [2020-10-13 17:38:52,727 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-13 17:39:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:39:37,282 INFO L93 Difference]: Finished difference Result 3484 states and 4621 transitions. [2020-10-13 17:39:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 17:39:37,284 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-13 17:39:37,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:39:37,303 INFO L225 Difference]: With dead ends: 3484 [2020-10-13 17:39:37,304 INFO L226 Difference]: Without dead ends: 3481 [2020-10-13 17:39:37,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:39:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2020-10-13 17:39:38,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 2889. [2020-10-13 17:39:38,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2889 states. [2020-10-13 17:39:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2889 states and 3704 transitions. [2020-10-13 17:39:38,466 INFO L78 Accepts]: Start accepts. Automaton has 2889 states and 3704 transitions. Word has length 39 [2020-10-13 17:39:38,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:39:38,466 INFO L479 AbstractCegarLoop]: Abstraction has 2889 states and 3704 transitions. [2020-10-13 17:39:38,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 17:39:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2889 states and 3704 transitions. [2020-10-13 17:39:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-13 17:39:38,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:39:38,469 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:39:38,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 17:39:38,470 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:39:38,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:39:38,470 INFO L82 PathProgramCache]: Analyzing trace with hash 253478117, now seen corresponding path program 1 times [2020-10-13 17:39:38,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:39:38,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381356623] [2020-10-13 17:39:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:39:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:39:38,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:39:38,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:39:38,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking...