/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=BIGGEST --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 [2020-10-12 22:53:54,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 22:53:54,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 22:53:54,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 22:53:54,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 22:53:54,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 22:53:54,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 22:53:54,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 22:53:54,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 22:53:54,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 22:53:54,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 22:53:54,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 22:53:54,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 22:53:54,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 22:53:54,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 22:53:54,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 22:53:54,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 22:53:54,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 22:53:54,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 22:53:54,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 22:53:54,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 22:53:54,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 22:53:54,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 22:53:54,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 22:53:54,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 22:53:54,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 22:53:54,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 22:53:54,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 22:53:54,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 22:53:54,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 22:53:54,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 22:53:54,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 22:53:54,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 22:53:54,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 22:53:54,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 22:53:54,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 22:53:54,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 22:53:54,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 22:53:54,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 22:53:54,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 22:53:54,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 22:53:54,404 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 [2020-10-12 22:53:54,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 22:53:54,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 22:53:54,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 22:53:54,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 22:53:54,442 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 22:53:54,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 22:53:54,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 22:53:54,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 22:53:54,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 22:53:54,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 22:53:54,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 22:53:54,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 22:53:54,444 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 22:53:54,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 22:53:54,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 22:53:54,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 22:53:54,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 22:53:54,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 22:53:54,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:53:54,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 22:53:54,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 22:53:54,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 22:53:54,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 22:53:54,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 22:53:54,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 22:53:54,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 22:53:54,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 22:53:54,447 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 22:53:54,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 22:53:54,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 22:53:54,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 22:53:54,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 22:53:54,745 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 22:53:54,746 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-12 22:53:54,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5e363338/e9caf9511aad4c08927c374a70c19a9b/FLAG7a4d92043 [2020-10-12 22:53:55,573 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 22:53:55,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-12 22:53:55,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5e363338/e9caf9511aad4c08927c374a70c19a9b/FLAG7a4d92043 [2020-10-12 22:53:56,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5e363338/e9caf9511aad4c08927c374a70c19a9b [2020-10-12 22:53:56,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 22:53:56,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 22:53:56,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 22:53:56,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 22:53:56,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 22:53:56,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:53:56" (1/1) ... [2020-10-12 22:53:56,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd7c01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:56, skipping insertion in model container [2020-10-12 22:53:56,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:53:56" (1/1) ... [2020-10-12 22:53:56,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 22:53:56,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 22:53:58,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:53:58,222 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 22:53:58,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:53:59,012 INFO L208 MainTranslator]: Completed translation [2020-10-12 22:53:59,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59 WrapperNode [2020-10-12 22:53:59,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 22:53:59,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 22:53:59,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 22:53:59,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 22:53:59,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (1/1) ... [2020-10-12 22:53:59,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (1/1) ... [2020-10-12 22:53:59,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (1/1) ... [2020-10-12 22:53:59,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (1/1) ... [2020-10-12 22:53:59,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (1/1) ... [2020-10-12 22:53:59,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (1/1) ... [2020-10-12 22:53:59,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (1/1) ... [2020-10-12 22:53:59,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 22:53:59,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 22:53:59,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 22:53:59,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 22:53:59,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (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 [2020-10-12 22:53:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 22:53:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 22:53:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 22:53:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 22:53:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-10-12 22:53:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-12 22:53:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-12 22:53:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_be16p [2020-10-12 22:53:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-12 22:53:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-12 22:53:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-12 22:53:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-12 22:53:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-10-12 22:53:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2020-10-12 22:53:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-12 22:53:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-12 22:53:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2020-10-12 22:53:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2020-10-12 22:53:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-12 22:53:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 22:53:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-12 22:53:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2020-10-12 22:53:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2020-10-12 22:53:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2020-10-12 22:53:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-10-12 22:53:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-10-12 22:53:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-12 22:53:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-12 22:53:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-12 22:53:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-12 22:53:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-12 22:53:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-12 22:53:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-12 22:53:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-12 22:53:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-12 22:53:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 22:53:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 22:53:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 22:53:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 22:53:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetch_range [2020-10-12 22:53:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2020-10-12 22:53:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2020-10-12 22:53:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2020-10-12 22:53:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2020-10-12 22:53:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_color_depth [2020-10-12 22:53:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base16bpp [2020-10-12 22:53:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_base8bpp [2020-10-12 22:53:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2020-10-12 22:53:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16be [2020-10-12 22:53:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_lfsr16 [2020-10-12 22:53:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2020-10-12 22:53:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_vid_cmds [2020-10-12 22:53:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2020-10-12 22:53:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2020-10-12 22:53:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_trim_hline [2020-10-12 22:53:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_compress_hline [2020-10-12 22:53:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2020-10-12 22:53:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2020-10-12 22:53:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_write [2020-10-12 22:53:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2020-10-12 22:53:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2020-10-12 22:53:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2020-10-12 22:53:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dpy_deferred_io [2020-10-12 22:53:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_edid [2020-10-12 22:53:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2020-10-12 22:53:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2020-10-12 22:53:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2020-10-12 22:53:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free [2020-10-12 22:53:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2020-10-12 22:53:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2020-10-12 22:53:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2020-10-12 22:53:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2020-10-12 22:53:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2020-10-12 22:53:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2020-10-12 22:53:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2020-10-12 22:53:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2020-10-12 22:53:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_dummy_render [2020-10-12 22:53:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2020-10-12 22:53:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_realloc_framebuffer [2020-10-12 22:53:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2020-10-12 22:53:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_rendered_show [2020-10-12 22:53:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_identical_show [2020-10-12 22:53:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_bytes_sent_show [2020-10-12 22:53:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_cpu_kcycles_used_show [2020-10-12 22:53:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_show [2020-10-12 22:53:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_store [2020-10-12 22:53:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure metrics_reset_store [2020-10-12 22:53:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_select_std_channel [2020-10-12 22:53:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_parse_vendor_descriptor [2020-10-12 22:53:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_probe [2020-10-12 22:53:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2020-10-12 22:53:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2020-10-12 22:53:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_init [2020-10-12 22:53:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_driver_exit [2020-10-12 22:53:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2020-10-12 22:53:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_urb_list [2020-10-12 22:53:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_alloc_urb_list [2020-10-12 22:53:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2020-10-12 22:53:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2020-10-12 22:53:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 22:53:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-12 22:53:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-12 22:53:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-12 22:53:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-12 22:53:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-12 22:53:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-12 22:53:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-12 22:53:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-12 22:53:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-12 22:53:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-12 22:53:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-10-12 22:53:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2020-10-12 22:53:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2020-10-12 22:53:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2020-10-12 22:53:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 22:53:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 22:53:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-12 22:53:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-12 22:53:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-12 22:53:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-12 22:53:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-12 22:53:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-12 22:53:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-12 22:53:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-12 22:53:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-12 22:53:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-12 22:53:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-12 22:53:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-12 22:53:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-12 22:53:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-12 22:53:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-12 22:53:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-12 22:53:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-12 22:53:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-12 22:53:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-12 22:53:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-12 22:53:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-12 22:53:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-12 22:53:59,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-12 22:53:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-12 22:53:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-12 22:53:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-12 22:53:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-12 22:53:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-12 22:53:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-12 22:53:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-12 22:53:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-12 22:53:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-12 22:53:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-12 22:53:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-12 22:53:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-12 22:53:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2020-10-12 22:53:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2020-10-12 22:53:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2020-10-12 22:53:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-10-12 22:53:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-12 22:53:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure down_timeout [2020-10-12 22:53:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2020-10-12 22:53:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap [2020-10-12 22:53:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2020-10-12 22:53:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2020-10-12 22:53:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_init [2020-10-12 22:53:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2020-10-12 22:53:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2020-10-12 22:53:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2020-10-12 22:53:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_best_display [2020-10-12 22:53:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_nearest_mode [2020-10-12 22:53:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_read [2020-10-12 22:53:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_sys_write [2020-10-12 22:53:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2020-10-12 22:53:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2020-10-12 22:53:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2020-10-12 22:53:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2020-10-12 22:53:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-12 22:53:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_probe_3 [2020-10-12 22:53:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dlfb_ops_release_3 [2020-10-12 22:53:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_probe_2 [2020-10-12 22:53:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_edid_attr_release_2 [2020-10-12 22:53:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-12 22:53:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-12 22:53:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-12 22:53:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-12 22:53:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 22:53:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 22:53:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2020-10-12 22:53:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2020-10-12 22:53:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-12 22:53:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_copyarea [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_fillrect [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_imageblit [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-12 22:53:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-12 22:53:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-12 22:53:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-12 22:53:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2020-10-12 22:53:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-12 22:53:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-12 22:53:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-12 22:53:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-12 22:53:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_pfn [2020-10-12 22:53:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2020-10-12 22:53:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-12 22:53:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-12 22:53:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 22:53:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 22:53:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 22:53:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 22:53:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 22:53:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 22:53:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-10-12 22:53:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 22:53:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-12 22:53:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-12 22:53:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 22:53:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_be16p [2020-10-12 22:53:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 22:53:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-12 22:53:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-12 22:53:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-12 22:53:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 22:53:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-12 22:53:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-12 22:53:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 22:53:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-12 22:53:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-12 22:53:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-12 22:53:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 22:53:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 22:53:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-12 22:53:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-12 22:53:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-12 22:53:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-10-12 22:53:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2020-10-12 22:53:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-12 22:53:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-12 22:53:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 22:53:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2020-10-12 22:53:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2020-10-12 22:53:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-12 22:53:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-12 22:53:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-12 22:53:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-12 22:53:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 22:53:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-12 22:53:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-12 22:53:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-12 22:53:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-12 22:53:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-12 22:53:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2020-10-12 22:53:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-12 22:53:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-12 22:53:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-12 22:53:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-12 22:53:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-12 22:53:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-10-12 22:53:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-12 22:53:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-12 22:53:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-12 22:53:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-12 22:53:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-12 22:53:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-12 22:53:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-12 22:53:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-12 22:53:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-12 22:53:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 22:53:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 22:53:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-12 22:53:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-12 22:53:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 22:53:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-12 22:53:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2020-10-12 22:53:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-12 22:53:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-12 22:53:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-12 22:53:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-12 22:53:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-12 22:53:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2020-10-12 22:53:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-12 22:53:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2020-10-12 22:53:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2020-10-12 22:53:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 22:53:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-10-12 22:53:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 22:53:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-10-12 22:53:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-12 22:53:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-12 22:53:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-12 22:53:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-12 22:53:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2020-10-12 22:53:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-10-12 22:53:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2020-10-12 22:53:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2020-10-12 22:53:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-12 22:53:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-12 22:53:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-12 22:53:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-12 22:53:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 22:53:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-12 22:53:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure down_timeout [2020-10-12 22:53:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-12 22:53:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-12 22:53:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-12 22:53:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-12 22:53:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-12 22:53:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-12 22:53:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-12 22:53:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-12 22:53:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2020-10-12 22:53:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-12 22:53:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_pfn [2020-10-12 22:53:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2020-10-12 22:53:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 22:53:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 22:53:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-12 22:53:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 22:53:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 22:53:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 22:53:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 22:53:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 22:53:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 22:53:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure sys_fillrect [2020-10-12 22:53:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure sys_copyarea [2020-10-12 22:53:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure sys_imageblit [2020-10-12 22:53:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_read [2020-10-12 22:53:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure fb_sys_write [2020-10-12 22:53:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2020-10-12 22:53:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2020-10-12 22:53:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2020-10-12 22:53:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_init [2020-10-12 22:53:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2020-10-12 22:53:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2020-10-12 22:53:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2020-10-12 22:53:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2020-10-12 22:53:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2020-10-12 22:53:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2020-10-12 22:53:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2020-10-12 22:53:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2020-10-12 22:53:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_nearest_mode [2020-10-12 22:53:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2020-10-12 22:53:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_best_display [2020-10-12 22:53:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap [2020-10-12 22:53:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2020-10-12 22:53:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure prefetch_range [2020-10-12 22:53:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2020-10-12 22:53:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2020-10-12 22:53:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2020-10-12 22:53:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_alloc_urb_list [2020-10-12 22:53:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_urb_list [2020-10-12 22:53:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_color_depth [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base16bpp [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_base8bpp [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16be [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_lfsr16 [2020-10-12 22:53:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2020-10-12 22:53:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_vid_cmds [2020-10-12 22:53:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2020-10-12 22:53:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2020-10-12 22:53:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_trim_hline [2020-10-12 22:53:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_compress_hline [2020-10-12 22:53:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 22:53:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2020-10-12 22:53:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 22:53:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2020-10-12 22:53:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_write [2020-10-12 22:53:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2020-10-12 22:53:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dpy_deferred_io [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_edid [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2020-10-12 22:53:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_dummy_render [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_realloc_framebuffer [2020-10-12 22:53:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_rendered_show [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_identical_show [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_bytes_sent_show [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_cpu_kcycles_used_show [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure edid_show [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure edid_store [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure metrics_reset_store [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_select_std_channel [2020-10-12 22:53:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_parse_vendor_descriptor [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_probe [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_init [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_driver_exit [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_probe_2 [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_probe_3 [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_edid_attr_release_2 [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 22:53:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dlfb_ops_release_3 [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-12 22:53:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-12 22:53:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 22:53:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 22:53:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 22:53:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 22:53:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 22:54:17,900 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 22:54:17,901 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 22:54:17,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:54:17 BoogieIcfgContainer [2020-10-12 22:54:17,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 22:54:17,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 22:54:17,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 22:54:17,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 22:54:17,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:53:56" (1/3) ... [2020-10-12 22:54:17,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3341ec1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:54:17, skipping insertion in model container [2020-10-12 22:54:17,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:53:59" (2/3) ... [2020-10-12 22:54:17,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3341ec1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:54:17, skipping insertion in model container [2020-10-12 22:54:17,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:54:17" (3/3) ... [2020-10-12 22:54:17,923 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--udlfb.ko-main.cil.out.i [2020-10-12 22:54:17,936 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 22:54:17,946 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 22:54:17,963 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 22:54:17,993 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 22:54:17,994 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 22:54:17,994 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 22:54:17,994 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 22:54:17,994 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 22:54:17,994 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 22:54:17,994 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 22:54:17,994 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 22:54:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states. [2020-10-12 22:54:18,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-12 22:54:18,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:54:18,056 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] [2020-10-12 22:54:18,056 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:54:18,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:54:18,063 INFO L82 PathProgramCache]: Analyzing trace with hash -812196023, now seen corresponding path program 1 times [2020-10-12 22:54:18,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:54:18,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043841664] [2020-10-12 22:54:18,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:54:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:20,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 22:54:23,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:54:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4517 [2020-10-12 22:54:23,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:54:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:54:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 22:54:23,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 22:54:26,768 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-12 22:54:26,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:54:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:26,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:27,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:27,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:54:27,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:27,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-12 22:54:27,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:54:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:54:27,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:27,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:54:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:27,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:27,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:27,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:54:27,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 22:54:27,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:54:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:54:27,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:27,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:54:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:27,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:27,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:27,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 22:54:27,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:27,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 22:54:27,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:54:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 22:54:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:54:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:27,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:27,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:27,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:54:27,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:27,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:54:27,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:54:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:54:27,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:27,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:54:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:27,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:27,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:27,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:54:27,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:27,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:54:27,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:54:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:54:27,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:54:27,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043841664] [2020-10-12 22:54:27,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:54:27,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 22:54:27,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4100973] [2020-10-12 22:54:27,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 22:54:27,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:54:27,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 22:54:27,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 22:54:27,549 INFO L87 Difference]: Start difference. First operand 1680 states. Second operand 6 states. [2020-10-12 22:54:34,147 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-12 22:55:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:55:18,532 INFO L93 Difference]: Finished difference Result 3255 states and 4331 transitions. [2020-10-12 22:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 22:55:18,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-12 22:55:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:55:18,576 INFO L225 Difference]: With dead ends: 3255 [2020-10-12 22:55:18,576 INFO L226 Difference]: Without dead ends: 1770 [2020-10-12 22:55:18,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-12 22:55:18,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2020-10-12 22:55:19,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1482. [2020-10-12 22:55:19,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1482 states. [2020-10-12 22:55:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1891 transitions. [2020-10-12 22:55:19,215 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1891 transitions. Word has length 34 [2020-10-12 22:55:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:55:19,215 INFO L479 AbstractCegarLoop]: Abstraction has 1482 states and 1891 transitions. [2020-10-12 22:55:19,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 22:55:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1891 transitions. [2020-10-12 22:55:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-12 22:55:19,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:55:19,221 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] [2020-10-12 22:55:19,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 22:55:19,221 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:55:19,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:55:19,222 INFO L82 PathProgramCache]: Analyzing trace with hash 590927839, now seen corresponding path program 1 times [2020-10-12 22:55:19,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:55:19,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750044987] [2020-10-12 22:55:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:55:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:55:19,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:55:20,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:55:22,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:55:22,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 22:55:22,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:55:22,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3097 [2020-10-12 22:55:22,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:55:22,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:55:22,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 22:55:22,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 22:55:22,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:55:25,632 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-12 22:55:25,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:55:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:55:25,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:55:26,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:55:26,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:55:26,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:55:26,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-12 22:55:26,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:55:26,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:55:26,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:55:26,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:55:26,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:55:26,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:55:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:55:26,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:55:26,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:55:26,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:55:26,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:55:26,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:55:26,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:55:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:55:26,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:55:26,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:55:26,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:55:26,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:55:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:55:26,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:55:26,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:55:26,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 22:55:26,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:55:26,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 22:55:26,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:55:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:55:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 22:55:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:55:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:55:26,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:55:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:55:26,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:55:26,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:55:26,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:55:26,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:55:26,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:55:26,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:55:26,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:55:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:55:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:55:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:55:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:55:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:55:26,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:55:26,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:55:26,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:55:26,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:55:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:55:26,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:55:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:55:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:55:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:55:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:55:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:55:26,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750044987] [2020-10-12 22:55:26,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:55:26,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 22:55:26,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342238585] [2020-10-12 22:55:26,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 22:55:26,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:55:26,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 22:55:26,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 22:55:26,404 INFO L87 Difference]: Start difference. First operand 1482 states and 1891 transitions. Second operand 6 states. [2020-10-12 22:55:34,154 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-12 22:57:14,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:57:14,943 INFO L93 Difference]: Finished difference Result 3512 states and 4652 transitions. [2020-10-12 22:57:14,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 22:57:14,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-12 22:57:14,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:57:14,969 INFO L225 Difference]: With dead ends: 3512 [2020-10-12 22:57:14,970 INFO L226 Difference]: Without dead ends: 3487 [2020-10-12 22:57:14,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-12 22:57:14,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3487 states. [2020-10-12 22:57:15,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3487 to 2889. [2020-10-12 22:57:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2889 states. [2020-10-12 22:57:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2889 states and 3705 transitions. [2020-10-12 22:57:15,817 INFO L78 Accepts]: Start accepts. Automaton has 2889 states and 3705 transitions. Word has length 35 [2020-10-12 22:57:15,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:57:15,818 INFO L479 AbstractCegarLoop]: Abstraction has 2889 states and 3705 transitions. [2020-10-12 22:57:15,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 22:57:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2889 states and 3705 transitions. [2020-10-12 22:57:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-12 22:57:15,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:57:15,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:57:15,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 22:57:15,822 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:57:15,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:57:15,822 INFO L82 PathProgramCache]: Analyzing trace with hash 253478117, now seen corresponding path program 1 times [2020-10-12 22:57:15,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:57:15,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597756097] [2020-10-12 22:57:15,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:57:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:16,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:16,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:21,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:21,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 22:57:21,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 22:57:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5097 [2020-10-12 22:57:21,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:57:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:57:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 22:57:21,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:24,257 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-12 22:57:24,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:57:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:24,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:25,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:25,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:25,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:25,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1066 [2020-10-12 22:57:25,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:25,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:57:25,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:25,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:57:25,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:25,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:57:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:25,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:25,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:25,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:25,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 22:57:25,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:25,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:57:25,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:25,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:57:25,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:25,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 22:57:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:25,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:25,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:25,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:57:25,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:25,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 22:57:25,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:57:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 22:57:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:25,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:57:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:25,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:25,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:57:25,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:25,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:57:25,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:25,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:25,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:25,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:25,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:57:25,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597756097] [2020-10-12 22:57:25,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:57:25,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 22:57:25,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027172139] [2020-10-12 22:57:25,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 22:57:25,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:57:25,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 22:57:25,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-12 22:57:25,664 INFO L87 Difference]: Start difference. First operand 2889 states and 3705 transitions. Second operand 8 states. [2020-10-12 22:57:35,180 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-12 22:57:38,592 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 716 [2020-10-12 22:57:43,031 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 723