/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 [2020-10-14 12:02:18,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:02:18,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:02:18,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:02:18,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:02:18,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:02:18,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:02:18,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:02:18,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:02:18,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:02:18,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:02:18,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:02:18,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:02:18,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:02:18,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:02:18,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:02:18,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:02:18,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:02:18,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:02:18,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:02:18,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:02:18,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:02:18,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:02:18,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:02:18,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:02:18,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:02:18,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:02:18,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:02:18,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:02:18,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:02:18,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:02:18,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:02:18,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:02:18,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:02:18,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:02:18,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:02:18,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:02:18,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:02:18,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:02:18,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:02:18,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:02:18,137 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 [2020-10-14 12:02:18,179 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:02:18,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:02:18,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:02:18,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:02:18,182 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:02:18,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:02:18,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:02:18,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:02:18,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:02:18,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:02:18,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:02:18,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:02:18,184 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:02:18,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:02:18,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:02:18,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:02:18,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:02:18,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:02:18,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:02:18,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:02:18,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:02:18,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:02:18,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:02:18,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:02:18,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:02:18,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:02:18,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:02:18,187 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 12:02:18,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:02:18,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:02:18,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:02:18,553 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:02:18,554 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:02:18,555 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-14 12:02:18,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c98d7fe46/14dd48c9787142a4ba3415c0d167ffa5/FLAG3e80f5485 [2020-10-14 12:02:19,428 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:02:19,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-14 12:02:19,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c98d7fe46/14dd48c9787142a4ba3415c0d167ffa5/FLAG3e80f5485 [2020-10-14 12:02:19,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c98d7fe46/14dd48c9787142a4ba3415c0d167ffa5 [2020-10-14 12:02:19,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:02:19,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:02:19,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:02:19,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:02:19,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:02:19,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:02:19" (1/1) ... [2020-10-14 12:02:19,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db01eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:19, skipping insertion in model container [2020-10-14 12:02:19,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:02:19" (1/1) ... [2020-10-14 12:02:19,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:02:20,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:02:22,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:02:22,480 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:02:22,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:02:23,391 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:02:23,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23 WrapperNode [2020-10-14 12:02:23,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:02:23,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:02:23,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:02:23,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:02:23,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (1/1) ... [2020-10-14 12:02:23,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (1/1) ... [2020-10-14 12:02:23,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (1/1) ... [2020-10-14 12:02:23,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (1/1) ... [2020-10-14 12:02:23,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (1/1) ... [2020-10-14 12:02:23,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (1/1) ... [2020-10-14 12:02:23,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (1/1) ... [2020-10-14 12:02:23,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:02:23,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:02:23,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:02:23,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:02:23,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (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 [2020-10-14 12:02:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:02:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:02:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:02:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 12:02:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-10-14 12:02:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-14 12:02:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-14 12:02:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2020-10-14 12:02:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 12:02:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 12:02:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-14 12:02:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-14 12:02:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-10-14 12:02:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2020-10-14 12:02:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-14 12:02:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-14 12:02:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2020-10-14 12:02:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2020-10-14 12:02:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-14 12:02:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 12:02:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 12:02:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2020-10-14 12:02:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2020-10-14 12:02:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2020-10-14 12:02:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-10-14 12:02:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-10-14 12:02:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-14 12:02:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 12:02:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-14 12:02:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-14 12:02:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-14 12:02:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-14 12:02:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-14 12:02:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 12:02:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 12:02:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:02:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:02:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:02:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:02:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2020-10-14 12:02:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2020-10-14 12:02:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2020-10-14 12:02:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2020-10-14 12:02:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2020-10-14 12:02:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2020-10-14 12:02:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2020-10-14 12:02:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2020-10-14 12:02:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2020-10-14 12:02:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2020-10-14 12:02:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2020-10-14 12:02:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2020-10-14 12:02:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2020-10-14 12:02:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2020-10-14 12:02:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2020-10-14 12:02:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2020-10-14 12:02:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2020-10-14 12:02:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2020-10-14 12:02:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2020-10-14 12:02:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2020-10-14 12:02:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2020-10-14 12:02:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2020-10-14 12:02:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2020-10-14 12:02:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2020-10-14 12:02:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2020-10-14 12:02:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2020-10-14 12:02:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2020-10-14 12:02:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2020-10-14 12:02:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2020-10-14 12:02:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2020-10-14 12:02:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2020-10-14 12:02:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2020-10-14 12:02:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2020-10-14 12:02:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2020-10-14 12:02:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2020-10-14 12:02:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2020-10-14 12:02:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2020-10-14 12:02:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2020-10-14 12:02:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2020-10-14 12:02:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2020-10-14 12:02:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2020-10-14 12:02:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2020-10-14 12:02:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2020-10-14 12:02:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2020-10-14 12:02:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2020-10-14 12:02:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2020-10-14 12:02:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2020-10-14 12:02:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2020-10-14 12:02:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2020-10-14 12:02:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2020-10-14 12:02:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2020-10-14 12:02:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2020-10-14 12:02:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2020-10-14 12:02:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2020-10-14 12:02:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2020-10-14 12:02:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2020-10-14 12:02:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2020-10-14 12:02:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2020-10-14 12:02:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2020-10-14 12:02:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2020-10-14 12:02:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:02:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-14 12:02:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-14 12:02:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-14 12:02:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-14 12:02:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-14 12:02:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-14 12:02:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-14 12:02:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-14 12:02:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-14 12:02:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-14 12:02:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-10-14 12:02:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2020-10-14 12:02:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2020-10-14 12:02:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2020-10-14 12:02:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 12:02:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 12:02:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 12:02:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 12:02:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-14 12:02:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-14 12:02:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-14 12:02:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 12:02:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-14 12:02:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-14 12:02:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-14 12:02:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-14 12:02:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-14 12:02:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-14 12:02:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-14 12:02:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-14 12:02:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-14 12:02:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 12:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 12:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 12:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 12:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 12:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 12:02:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 12:02:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-14 12:02:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-14 12:02:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-14 12:02:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-14 12:02:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-14 12:02:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-14 12:02:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-14 12:02:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:02:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:02:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-14 12:02:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 12:02:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-14 12:02:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 12:02:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2020-10-14 12:02:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-14 12:02:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-14 12:02:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 12:02:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:02:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 12:02:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 12:02:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 12:02:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2020-10-14 12:02:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2020-10-14 12:02:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2020-10-14 12:02:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-10-14 12:02:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-14 12:02:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2020-10-14 12:02:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2020-10-14 12:02:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2020-10-14 12:02:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2020-10-14 12:02:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2020-10-14 12:02:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2020-10-14 12:02:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2020-10-14 12:02:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2020-10-14 12:02:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2020-10-14 12:02:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2020-10-14 12:02:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2020-10-14 12:02:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2020-10-14 12:02:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2020-10-14 12:02:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2020-10-14 12:02:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2020-10-14 12:02:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2020-10-14 12:02:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2020-10-14 12:02:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-14 12:02:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_probe_3 [2020-10-14 12:02:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_release_3 [2020-10-14 12:02:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_probe_2 [2020-10-14 12:02:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_release_2 [2020-10-14 12:02:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-14 12:02:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-14 12:02:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 12:02:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-14 12:02:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 12:02:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:02:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2020-10-14 12:02:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2020-10-14 12:02:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-14 12:02:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2020-10-14 12:02:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2020-10-14 12:02:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2020-10-14 12:02:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2020-10-14 12:02:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2020-10-14 12:02:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-14 12:02:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-14 12:02:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-14 12:02:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-14 12:02:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 12:02:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-14 12:02:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 12:02:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2020-10-14 12:02:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 12:02:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-14 12:02:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-14 12:02:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-14 12:02:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2020-10-14 12:02:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2020-10-14 12:02:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-14 12:02:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-14 12:02:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:02:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 12:02:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 12:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 12:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 12:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-10-14 12:02:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 12:02:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-14 12:02:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-14 12:02:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:02:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2020-10-14 12:02:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:02:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-14 12:02:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 12:02:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 12:02:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:02:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 12:02:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 12:02:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:02:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-14 12:02:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-14 12:02:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-14 12:02:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 12:02:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 12:02:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-14 12:02:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-14 12:02:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-14 12:02:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-10-14 12:02:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2020-10-14 12:02:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-14 12:02:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-14 12:02:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:02:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2020-10-14 12:02:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2020-10-14 12:02:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-14 12:02:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-14 12:02:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-14 12:02:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-14 12:02:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 12:02:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-14 12:02:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-14 12:02:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-14 12:02:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-14 12:02:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-14 12:02:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2020-10-14 12:02:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 12:02:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-14 12:02:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-14 12:02:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-14 12:02:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-14 12:02:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-10-14 12:02:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-14 12:02:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-14 12:02:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-14 12:02:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-14 12:02:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 12:02:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 12:02:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 12:02:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-14 12:02:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-14 12:02:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:02:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 12:02:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 12:02:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:02:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 12:02:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 12:02:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2020-10-14 12:02:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-14 12:02:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-14 12:02:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-14 12:02:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-14 12:02:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-14 12:02:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2020-10-14 12:02:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-14 12:02:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2020-10-14 12:02:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2020-10-14 12:02:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:02:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-10-14 12:02:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:02:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-10-14 12:02:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-14 12:02:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-14 12:02:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-14 12:02:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 12:02:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2020-10-14 12:02:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-10-14 12:02:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2020-10-14 12:02:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2020-10-14 12:02:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 12:02:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 12:02:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 12:02:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-14 12:02:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:02:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-14 12:02:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2020-10-14 12:02:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-14 12:02:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-14 12:02:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-14 12:02:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2020-10-14 12:02:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:02:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2020-10-14 12:02:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2020-10-14 12:02:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2020-10-14 12:02:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2020-10-14 12:02:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2020-10-14 12:02:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2020-10-14 12:02:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2020-10-14 12:02:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2020-10-14 12:02:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2020-10-14 12:02:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2020-10-14 12:02:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2020-10-14 12:02:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2020-10-14 12:02:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2020-10-14 12:02:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2020-10-14 12:02:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2020-10-14 12:02:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2020-10-14 12:02:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2020-10-14 12:02:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2020-10-14 12:02:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2020-10-14 12:02:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2020-10-14 12:02:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2020-10-14 12:02:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2020-10-14 12:02:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2020-10-14 12:02:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2020-10-14 12:02:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2020-10-14 12:02:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2020-10-14 12:02:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2020-10-14 12:02:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2020-10-14 12:02:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2020-10-14 12:02:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2020-10-14 12:02:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2020-10-14 12:02:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2020-10-14 12:02:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2020-10-14 12:02:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2020-10-14 12:02:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2020-10-14 12:02:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2020-10-14 12:02:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2020-10-14 12:02:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2020-10-14 12:02:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2020-10-14 12:02:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2020-10-14 12:02:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2020-10-14 12:02:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2020-10-14 12:02:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2020-10-14 12:02:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2020-10-14 12:02:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 12:02:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2020-10-14 12:02:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 12:02:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2020-10-14 12:02:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2020-10-14 12:02:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2020-10-14 12:02:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2020-10-14 12:02:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2020-10-14 12:02:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2020-10-14 12:02:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2020-10-14 12:02:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2020-10-14 12:02:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2020-10-14 12:02:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2020-10-14 12:02:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2020-10-14 12:02:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2020-10-14 12:02:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2020-10-14 12:02:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2020-10-14 12:02:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2020-10-14 12:02:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_probe_2 [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_probe_3 [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_release_2 [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:02:24,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_release_3 [2020-10-14 12:02:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:02:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 12:02:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 12:02:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:24,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-14 12:02:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-14 12:02:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-14 12:02:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-14 12:02:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:02:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 12:02:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 12:02:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:02:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:02:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:02:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:02:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:02:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 12:02:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 12:02:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 12:02:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 12:02:37,717 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:02:37,718 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 12:02:37,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:02:37 BoogieIcfgContainer [2020-10-14 12:02:37,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:02:37,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:02:37,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:02:37,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:02:37,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:02:19" (1/3) ... [2020-10-14 12:02:37,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bf141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:02:37, skipping insertion in model container [2020-10-14 12:02:37,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:02:23" (2/3) ... [2020-10-14 12:02:37,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bf141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:02:37, skipping insertion in model container [2020-10-14 12:02:37,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:02:37" (3/3) ... [2020-10-14 12:02:37,744 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-14 12:02:37,757 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:02:37,770 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:02:37,786 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:02:37,824 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:02:37,824 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:02:37,824 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:02:37,825 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:02:37,825 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:02:37,825 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:02:37,825 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:02:37,825 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:02:37,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states. [2020-10-14 12:02:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-14 12:02:37,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:02:37,903 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] [2020-10-14 12:02:37,903 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:02:37,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:02:37,910 INFO L82 PathProgramCache]: Analyzing trace with hash -812196023, now seen corresponding path program 1 times [2020-10-14 12:02:37,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:02:37,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021885566] [2020-10-14 12:02:37,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:02:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:02:38,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:02:39,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:02:41,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:02:41,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 12:02:41,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:02:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3441 [2020-10-14 12:02:41,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:02:41,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:02:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:02:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 12:02:41,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 12:02:41,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 12:02:44,338 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-14 12:02:44,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:02:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:02:44,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:02:44,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:02:44,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:02:44,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:02:44,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-14 12:02:44,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:02:44,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:02:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:02:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:02:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:02:44,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:02:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:02:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:02:44,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:02:44,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:02:44,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:02:44,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:02:44,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 12:02:44,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:02:44,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:02:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:02:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:02:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:02:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:02:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 12:02:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:02:44,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:02:44,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:02:44,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 12:02:44,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:02:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 12:02:44,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:02:44,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:02:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:02:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:02:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 12:02:44,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:02:44,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:02:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:02:44,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:02:44,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:02:44,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:02:44,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:02:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 12:02:44,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:02:44,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:02:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:02:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:02:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:02:44,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:02:44,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:02:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:02:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:02:44,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:02:44,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:02:44,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:02:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 12:02:44,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:02:44,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:02:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:02:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:02:44,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:02:44,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:02:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:02:45,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021885566] [2020-10-14 12:02:45,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:02:45,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 12:02:45,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679980868] [2020-10-14 12:02:45,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 12:02:45,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:02:45,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 12:02:45,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 12:02:45,050 INFO L87 Difference]: Start difference. First operand 1680 states. Second operand 6 states. [2020-10-14 12:02:50,908 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-14 12:03:30,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:03:30,790 INFO L93 Difference]: Finished difference Result 3263 states and 4345 transitions. [2020-10-14 12:03:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 12:03:30,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-14 12:03:30,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:03:30,828 INFO L225 Difference]: With dead ends: 3263 [2020-10-14 12:03:30,829 INFO L226 Difference]: Without dead ends: 1778 [2020-10-14 12:03:30,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 12:03:30,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2020-10-14 12:03:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1482. [2020-10-14 12:03:31,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1482 states. [2020-10-14 12:03:31,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1891 transitions. [2020-10-14 12:03:31,453 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1891 transitions. Word has length 34 [2020-10-14 12:03:31,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:03:31,454 INFO L479 AbstractCegarLoop]: Abstraction has 1482 states and 1891 transitions. [2020-10-14 12:03:31,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 12:03:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1891 transitions. [2020-10-14 12:03:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-14 12:03:31,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:03:31,464 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] [2020-10-14 12:03:31,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:03:31,465 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:03:31,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:03:31,465 INFO L82 PathProgramCache]: Analyzing trace with hash 590927839, now seen corresponding path program 1 times [2020-10-14 12:03:31,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:03:31,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887959630] [2020-10-14 12:03:31,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:03:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:03:31,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:03:32,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:03:34,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:03:34,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 12:03:34,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:03:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2735 [2020-10-14 12:03:34,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:03:34,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:03:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:03:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 12:03:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 12:03:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:03:36,512 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-14 12:03:36,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:03:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:03:36,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:03:36,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:03:36,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:03:36,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:03:36,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-14 12:03:36,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:03:36,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:03:36,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:03:36,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:03:36,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:03:36,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:03:36,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:03:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:03:36,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:03:36,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:03:36,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:03:36,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:03:36,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:03:36,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:03:36,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:03:36,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:03:36,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:03:36,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:03:36,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:03:36,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 12:03:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:03:36,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:03:36,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:03:36,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 12:03:36,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:03:36,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 12:03:36,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:03:36,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:03:36,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:03:36,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:03:36,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 12:03:36,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:03:36,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:03:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:03:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:03:37,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:03:37,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:03:37,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:03:37,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 12:03:37,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:03:37,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:03:37,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:03:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:03:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:03:37,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:03:37,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:03:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:03:37,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:03:37,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:03:37,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:03:37,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:03:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:03:37,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:03:37,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:03:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:03:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:03:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:03:37,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:03:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:03:37,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887959630] [2020-10-14 12:03:37,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:03:37,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 12:03:37,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092772766] [2020-10-14 12:03:37,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 12:03:37,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:03:37,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 12:03:37,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 12:03:37,098 INFO L87 Difference]: Start difference. First operand 1482 states and 1891 transitions. Second operand 6 states. [2020-10-14 12:03:45,290 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-14 12:04:25,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:04:25,631 INFO L93 Difference]: Finished difference Result 1771 states and 2335 transitions. [2020-10-14 12:04:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 12:04:25,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-14 12:04:25,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:04:25,643 INFO L225 Difference]: With dead ends: 1771 [2020-10-14 12:04:25,644 INFO L226 Difference]: Without dead ends: 1768 [2020-10-14 12:04:25,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 12:04:25,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2020-10-14 12:04:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1481. [2020-10-14 12:04:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1481 states. [2020-10-14 12:04:26,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 1889 transitions. [2020-10-14 12:04:26,202 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 1889 transitions. Word has length 35 [2020-10-14 12:04:26,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:04:26,203 INFO L479 AbstractCegarLoop]: Abstraction has 1481 states and 1889 transitions. [2020-10-14 12:04:26,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 12:04:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1889 transitions. [2020-10-14 12:04:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 12:04:26,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:04:26,207 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] [2020-10-14 12:04:26,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 12:04:26,207 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:04:26,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:04:26,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1138099468, now seen corresponding path program 1 times [2020-10-14 12:04:26,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:04:26,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642769229] [2020-10-14 12:04:26,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:04:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:04:26,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:04:27,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:04:29,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:04:29,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 12:04:29,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:04:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2864 [2020-10-14 12:04:29,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:04:29,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:04:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:04:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 12:04:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 12:04:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:04:31,433 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-14 12:04:31,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:04:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:04:31,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:04:31,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:04:31,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:04:31,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:04:31,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-14 12:04:31,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:04:31,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:04:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:04:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:04:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:04:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:04:31,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:04:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:04:31,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:04:31,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:04:31,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:04:31,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:04:31,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:04:31,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:04:31,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:04:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:04:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:04:31,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:04:31,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 12:04:31,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 12:04:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:04:31,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:04:31,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:04:31,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 12:04:31,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:04:31,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 12:04:31,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:04:31,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:04:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:04:31,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:04:31,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 12:04:31,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:04:31,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:04:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:04:31,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:04:31,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:04:31,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:04:31,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:04:31,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:04:31,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:04:31,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:04:31,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:04:31,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:04:31,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:04:31,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:04:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:04:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:04:31,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:04:31,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:04:31,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:04:31,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:04:31,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:04:31,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:04:31,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:04:31,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:04:31,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:04:31,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:04:31,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:04:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:04:32,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642769229] [2020-10-14 12:04:32,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:04:32,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 12:04:32,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914165418] [2020-10-14 12:04:32,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 12:04:32,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:04:32,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 12:04:32,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 12:04:32,054 INFO L87 Difference]: Start difference. First operand 1481 states and 1889 transitions. Second operand 6 states. [2020-10-14 12:04:39,063 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-14 12:06:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:06:09,120 INFO L93 Difference]: Finished difference Result 4907 states and 6493 transitions. [2020-10-14 12:06:09,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 12:06:09,122 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-14 12:06:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:06:09,143 INFO L225 Difference]: With dead ends: 4907 [2020-10-14 12:06:09,143 INFO L226 Difference]: Without dead ends: 3437 [2020-10-14 12:06:09,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 12:06:09,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2020-10-14 12:06:10,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3113. [2020-10-14 12:06:10,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3113 states. [2020-10-14 12:06:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 3113 states and 4064 transitions. [2020-10-14 12:06:10,218 INFO L78 Accepts]: Start accepts. Automaton has 3113 states and 4064 transitions. Word has length 36 [2020-10-14 12:06:10,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:06:10,218 INFO L479 AbstractCegarLoop]: Abstraction has 3113 states and 4064 transitions. [2020-10-14 12:06:10,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 12:06:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 4064 transitions. [2020-10-14 12:06:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-14 12:06:10,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:06:10,222 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] [2020-10-14 12:06:10,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 12:06:10,223 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:06:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:06:10,223 INFO L82 PathProgramCache]: Analyzing trace with hash 920555650, now seen corresponding path program 1 times [2020-10-14 12:06:10,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:06:10,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87339769] [2020-10-14 12:06:10,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:06:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:06:10,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:06:11,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:06:12,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:06:12,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 12:06:12,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:06:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2224 [2020-10-14 12:06:12,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:06:12,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:06:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:06:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 12:06:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 12:06:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0