/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--platform--x86--ideapad-laptop.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 22:50:34,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 22:50:34,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 22:50:34,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 22:50:34,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 22:50:34,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 22:50:34,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 22:50:34,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 22:50:34,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 22:50:34,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 22:50:34,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 22:50:34,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 22:50:34,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 22:50:34,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 22:50:34,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 22:50:34,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 22:50:34,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 22:50:34,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 22:50:34,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 22:50:34,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 22:50:34,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 22:50:34,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 22:50:34,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 22:50:34,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 22:50:34,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 22:50:34,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 22:50:34,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 22:50:34,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 22:50:34,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 22:50:34,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 22:50:34,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 22:50:34,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 22:50:34,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 22:50:34,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 22:50:34,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 22:50:34,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 22:50:34,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 22:50:34,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 22:50:34,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 22:50:34,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 22:50:34,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 22:50:34,731 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 22:50:34,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 22:50:34,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 22:50:34,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 22:50:34,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 22:50:34,756 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 22:50:34,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 22:50:34,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 22:50:34,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 22:50:34,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 22:50:34,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 22:50:34,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 22:50:34,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 22:50:34,757 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 22:50:34,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 22:50:34,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 22:50:34,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 22:50:34,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 22:50:34,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 22:50:34,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:50:34,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 22:50:34,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 22:50:34,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 22:50:34,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 22:50:34,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 22:50:34,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 22:50:34,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 22:50:34,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 22:50:34,760 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 22:50:35,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 22:50:35,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 22:50:35,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 22:50:35,089 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 22:50:35,089 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 22:50:35,090 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2020-10-12 22:50:35,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c8513698/781244e92c7f4e0493371392b2d6abbf/FLAGf0f366056 [2020-10-12 22:50:36,004 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 22:50:36,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2020-10-12 22:50:36,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c8513698/781244e92c7f4e0493371392b2d6abbf/FLAGf0f366056 [2020-10-12 22:50:36,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c8513698/781244e92c7f4e0493371392b2d6abbf [2020-10-12 22:50:36,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 22:50:36,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 22:50:36,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 22:50:36,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 22:50:36,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 22:50:36,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:50:36" (1/1) ... [2020-10-12 22:50:36,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23465623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:36, skipping insertion in model container [2020-10-12 22:50:36,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:50:36" (1/1) ... [2020-10-12 22:50:36,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 22:50:36,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 22:50:38,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:50:38,644 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 22:50:38,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:50:39,306 INFO L208 MainTranslator]: Completed translation [2020-10-12 22:50:39,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39 WrapperNode [2020-10-12 22:50:39,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 22:50:39,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 22:50:39,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 22:50:39,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 22:50:39,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (1/1) ... [2020-10-12 22:50:39,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (1/1) ... [2020-10-12 22:50:39,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (1/1) ... [2020-10-12 22:50:39,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (1/1) ... [2020-10-12 22:50:39,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (1/1) ... [2020-10-12 22:50:39,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (1/1) ... [2020-10-12 22:50:39,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (1/1) ... [2020-10-12 22:50:39,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 22:50:39,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 22:50:39,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 22:50:39,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 22:50:39,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (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 22:50:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 22:50:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 22:50:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-12 22:50:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-12 22:50:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-12 22:50:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-12 22:50:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-12 22:50:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 22:50:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-12 22:50:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 22:50:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 22:50:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 22:50:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 22:50:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-12 22:50:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-12 22:50:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2020-10-12 22:50:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure read_method_int [2020-10-12 22:50:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2020-10-12 22:50:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2020-10-12 22:50:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2020-10-12 22:50:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2020-10-12 22:50:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_show [2020-10-12 22:50:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_open [2020-10-12 22:50:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_show [2020-10-12 22:50:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_open [2020-10-12 22:50:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_init [2020-10-12 22:50:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2020-10-12 22:50:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_cam [2020-10-12 22:50:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_cam [2020-10-12 22:50:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_fan [2020-10-12 22:50:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_fan [2020-10-12 22:50:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_is_visible [2020-10-12 22:50:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_rfk_set [2020-10-12 22:50:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2020-10-12 22:50:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_register_rfkill [2020-10-12 22:50:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2020-10-12 22:50:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_init [2020-10-12 22:50:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2020-10-12 22:50:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_init [2020-10-12 22:50:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2020-10-12 22:50:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2020-10-12 22:50:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_novokey [2020-10-12 22:50:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_check_special_buttons [2020-10-12 22:50:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2020-10-12 22:50:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2020-10-12 22:50:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2020-10-12 22:50:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_exit [2020-10-12 22:50:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_power [2020-10-12 22:50:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_brightness [2020-10-12 22:50:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2020-10-12 22:50:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2020-10-12 22:50:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_remove [2020-10-12 22:50:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2020-10-12 22:50:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2020-10-12 22:50:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_init [2020-10-12 22:50:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_exit [2020-10-12 22:50:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 22:50:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-12 22:50:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-12 22:50:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-12 22:50:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-12 22:50:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-12 22:50:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-12 22:50:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-12 22:50:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-12 22:50:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-12 22:50:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-12 22:50:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 22:50:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 22:50:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-12 22:50:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-12 22:50:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-12 22:50:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-12 22:50:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-12 22:50:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-12 22:50:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-12 22:50:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-12 22:50:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-12 22:50:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-12 22:50:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-12 22:50:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-12 22:50:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-12 22:50:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-12 22:50:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-12 22:50:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-12 22:50:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-12 22:50:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-12 22:50:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-12 22:50:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-12 22:50:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-12 22:50:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-12 22:50:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-12 22:50:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-12 22:50:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-12 22:50:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-12 22:50:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-12 22:50:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-12 22:50:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-12 22:50:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 22:50:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 22:50:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_register_driver [2020-10-12 22:50:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_unregister_driver [2020-10-12 22:50:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2020-10-12 22:50:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2020-10-12 22:50:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_video_backlight_support [2020-10-12 22:50:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_register [2020-10-12 22:50:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_unregister [2020-10-12 22:50:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_force_update [2020-10-12 22:50:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2020-10-12 22:50:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2020-10-12 22:50:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2020-10-12 22:50:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-12 22:50:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-12 22:50:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure i8042_command [2020-10-12 22:50:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-12 22:50:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-12 22:50:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-12 22:50:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_complete_2 [2020-10-12 22:50:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_2 [2020-10-12 22:50:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_late_2 [2020-10-12 22:50:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_noirq_2 [2020-10-12 22:50:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_2 [2020-10-12 22:50:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_late_2 [2020-10-12 22:50:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_noirq_2 [2020-10-12 22:50:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_prepare_2 [2020-10-12 22:50:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_early_2 [2020-10-12 22:50:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_noirq_2 [2020-10-12 22:50:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_early_2 [2020-10-12 22:50:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_noirq_2 [2020-10-12 22:50:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_2 [2020-10-12 22:50:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_late_2 [2020-10-12 22:50:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_noirq_2 [2020-10-12 22:50:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_early_2 [2020-10-12 22:50:39,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_noirq_2 [2020-10-12 22:50:39,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-12 22:50:39,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-12 22:50:39,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 22:50:39,722 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-10-12 22:50:39,722 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-10-12 22:50:39,722 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_del [2020-10-12 22:50:39,723 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-10-12 22:50:39,723 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-12 22:50:39,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 22:50:39,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_alloc [2020-10-12 22:50:39,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2020-10-12 22:50:39,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2020-10-12 22:50:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_register [2020-10-12 22:50:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_set_hw_state [2020-10-12 22:50:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_unregister [2020-10-12 22:50:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-12 22:50:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2020-10-12 22:50:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2020-10-12 22:50:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2020-10-12 22:50:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2020-10-12 22:50:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2020-10-12 22:50:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2020-10-12 22:50:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_report_event [2020-10-12 22:50:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_setup [2020-10-12 22:50:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-12 22:50:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-12 22:50:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 22:50:39,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 22:50:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 22:50:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 22:50:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-12 22:50:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 22:50:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-12 22:50:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 22:50:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-12 22:50:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-12 22:50:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 22:50:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-12 22:50:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-12 22:50:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-12 22:50:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-12 22:50:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 22:50:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-12 22:50:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-12 22:50:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-12 22:50:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-12 22:50:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-12 22:50:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-12 22:50:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-12 22:50:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-12 22:50:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-12 22:50:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-12 22:50:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-12 22:50:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-12 22:50:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-12 22:50:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-12 22:50:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-12 22:50:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-12 22:50:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-12 22:50:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-12 22:50:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 22:50:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-12 22:50:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-12 22:50:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-12 22:50:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-12 22:50:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-12 22:50:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 22:50:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 22:50:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 22:50:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 22:50:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-12 22:50:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 22:50:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 22:50:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 22:50:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 22:50:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 22:50:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 22:50:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2020-10-12 22:50:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2020-10-12 22:50:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_register_driver [2020-10-12 22:50:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_unregister_driver [2020-10-12 22:50:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_video_backlight_support [2020-10-12 22:50:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_alloc [2020-10-12 22:50:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_register [2020-10-12 22:50:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_unregister [2020-10-12 22:50:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2020-10-12 22:50:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_set_hw_state [2020-10-12 22:50:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2020-10-12 22:50:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-12 22:50:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-10-12 22:50:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-10-12 22:50:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_del [2020-10-12 22:50:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-10-12 22:50:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-12 22:50:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-12 22:50:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-12 22:50:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-12 22:50:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-12 22:50:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_setup [2020-10-12 22:50:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2020-10-12 22:50:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_report_event [2020-10-12 22:50:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2020-10-12 22:50:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-12 22:50:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 22:50:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_register [2020-10-12 22:50:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_unregister [2020-10-12 22:50:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_force_update [2020-10-12 22:50:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-12 22:50:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-12 22:50:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-12 22:50:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2020-10-12 22:50:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2020-10-12 22:50:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2020-10-12 22:50:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2020-10-12 22:50:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2020-10-12 22:50:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure i8042_command [2020-10-12 22:50:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure read_method_int [2020-10-12 22:50:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 22:50:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 22:50:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 22:50:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2020-10-12 22:50:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 22:50:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2020-10-12 22:50:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2020-10-12 22:50:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2020-10-12 22:50:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_show [2020-10-12 22:50:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_open [2020-10-12 22:50:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_show [2020-10-12 22:50:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_open [2020-10-12 22:50:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_init [2020-10-12 22:50:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2020-10-12 22:50:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_cam [2020-10-12 22:50:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_cam [2020-10-12 22:50:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_fan [2020-10-12 22:50:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_fan [2020-10-12 22:50:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_is_visible [2020-10-12 22:50:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_rfk_set [2020-10-12 22:50:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2020-10-12 22:50:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_register_rfkill [2020-10-12 22:50:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2020-10-12 22:50:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_init [2020-10-12 22:50:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2020-10-12 22:50:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_init [2020-10-12 22:50:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2020-10-12 22:50:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2020-10-12 22:50:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_novokey [2020-10-12 22:50:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_check_special_buttons [2020-10-12 22:50:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2020-10-12 22:50:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2020-10-12 22:50:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2020-10-12 22:50:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 22:50:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_exit [2020-10-12 22:50:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_power [2020-10-12 22:50:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_brightness [2020-10-12 22:50:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2020-10-12 22:50:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2020-10-12 22:50:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_remove [2020-10-12 22:50:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2020-10-12 22:50:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2020-10-12 22:50:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_init [2020-10-12 22:50:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_exit [2020-10-12 22:50:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_noirq_2 [2020-10-12 22:50:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_complete_2 [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_noirq_2 [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_early_2 [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_late_2 [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_early_2 [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_2 [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_noirq_2 [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_late_2 [2020-10-12 22:50:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_prepare_2 [2020-10-12 22:50:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_late_2 [2020-10-12 22:50:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 22:50:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_early_2 [2020-10-12 22:50:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_2 [2020-10-12 22:50:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_noirq_2 [2020-10-12 22:50:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_2 [2020-10-12 22:50:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_noirq_2 [2020-10-12 22:50:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_noirq_2 [2020-10-12 22:50:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 22:50:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 22:50:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-12 22:50:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-12 22:50:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-12 22:50:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-12 22:50:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-12 22:50:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-12 22:50:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-12 22:50:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-12 22:50:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-12 22:50:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-12 22:50:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-12 22:50:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-12 22:50:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-12 22:50:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-12 22:50:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 22:50:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 22:50:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 22:50:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 22:50:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 22:50:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 22:50:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 22:50:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 22:50:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 22:50:39,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 22:50:58,325 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 22:50:58,325 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 22:50:58,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:50:58 BoogieIcfgContainer [2020-10-12 22:50:58,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 22:50:58,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 22:50:58,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 22:50:58,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 22:50:58,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:50:36" (1/3) ... [2020-10-12 22:50:58,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c51f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:50:58, skipping insertion in model container [2020-10-12 22:50:58,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:50:39" (2/3) ... [2020-10-12 22:50:58,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c51f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:50:58, skipping insertion in model container [2020-10-12 22:50:58,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:50:58" (3/3) ... [2020-10-12 22:50:58,348 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2020-10-12 22:50:58,358 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 22:50:58,371 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 22:50:58,386 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 22:50:58,418 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 22:50:58,418 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 22:50:58,418 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 22:50:58,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 22:50:58,419 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 22:50:58,419 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 22:50:58,419 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 22:50:58,419 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 22:50:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states. [2020-10-12 22:50:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-12 22:50:58,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:50:58,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:50:58,508 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:50:58,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:50:58,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2046961637, now seen corresponding path program 1 times [2020-10-12 22:50:58,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:50:58,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996152582] [2020-10-12 22:50:58,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:50:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:50:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:00,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:03,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:03,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 22:51:03,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:51:03,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4471 [2020-10-12 22:51:03,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:51:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:51:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 22:51:03,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 22:51:06,753 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-12 22:51:06,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:51:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:06,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:07,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:07,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:51:07,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:51:07,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 572 [2020-10-12 22:51:07,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:51:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:51:07,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:51:07,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:51:07,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:51:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:07,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:07,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:07,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:51:07,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:51:07,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 22:51:07,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:51:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:51:07,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:51:07,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:51:07,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 22:51:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:07,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:07,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:07,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 22:51:07,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:51:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:51:07,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:51:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:51:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 22:51:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:51:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:51:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:07,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:07,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:07,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:51:07,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:51:07,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:51:07,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:51:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:51:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:51:07,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:51:07,615 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 22:51:07,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996152582] [2020-10-12 22:51:07,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:51:07,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:51:07,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314618784] [2020-10-12 22:51:07,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:51:07,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:51:07,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:51:07,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:51:07,654 INFO L87 Difference]: Start difference. First operand 1206 states. Second operand 5 states. [2020-10-12 22:51:12,997 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-12 22:51:29,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:51:29,155 INFO L93 Difference]: Finished difference Result 2075 states and 2801 transitions. [2020-10-12 22:51:29,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 22:51:29,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-12 22:51:29,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:51:29,189 INFO L225 Difference]: With dead ends: 2075 [2020-10-12 22:51:29,190 INFO L226 Difference]: Without dead ends: 1070 [2020-10-12 22:51:29,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:51:29,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-12 22:51:29,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 999. [2020-10-12 22:51:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-12 22:51:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1312 transitions. [2020-10-12 22:51:29,538 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1312 transitions. Word has length 36 [2020-10-12 22:51:29,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:51:29,539 INFO L479 AbstractCegarLoop]: Abstraction has 999 states and 1312 transitions. [2020-10-12 22:51:29,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:51:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1312 transitions. [2020-10-12 22:51:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-12 22:51:29,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:51:29,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:51:29,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 22:51:29,544 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:51:29,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:51:29,545 INFO L82 PathProgramCache]: Analyzing trace with hash 968073874, now seen corresponding path program 1 times [2020-10-12 22:51:29,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:51:29,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897054661] [2020-10-12 22:51:29,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:51:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:30,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:33,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:33,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 22:51:33,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:51:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3681 [2020-10-12 22:51:33,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:51:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 22:51:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 22:51:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:51:36,141 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-12 22:51:36,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:51:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:36,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:36,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:36,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:51:36,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:51:36,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-12 22:51:36,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:36,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:51:36,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:51:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:51:36,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:51:36,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:51:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:36,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:36,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:36,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:51:36,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:51:36,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:51:36,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:36,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:51:36,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:51:36,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:51:36,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:51:36,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 22:51:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:36,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:36,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:36,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 22:51:36,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:51:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:51:36,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:51:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 22:51:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:51:36,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:51:36,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:51:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:51:36,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:51:36,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:51:36,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:51:36,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:51:36,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:51:36,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:51:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:51:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:51:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:51:36,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:51:36,859 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 22:51:36,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897054661] [2020-10-12 22:51:36,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:51:36,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:51:36,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047121834] [2020-10-12 22:51:36,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:51:36,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:51:36,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:51:36,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:51:36,863 INFO L87 Difference]: Start difference. First operand 999 states and 1312 transitions. Second operand 5 states. [2020-10-12 22:51:41,918 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-12 22:52:11,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:52:11,307 INFO L93 Difference]: Finished difference Result 2120 states and 2802 transitions. [2020-10-12 22:52:11,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:52:11,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-12 22:52:11,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:52:11,324 INFO L225 Difference]: With dead ends: 2120 [2020-10-12 22:52:11,325 INFO L226 Difference]: Without dead ends: 2100 [2020-10-12 22:52:11,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:52:11,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-10-12 22:52:11,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1954. [2020-10-12 22:52:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2020-10-12 22:52:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2576 transitions. [2020-10-12 22:52:11,906 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2576 transitions. Word has length 37 [2020-10-12 22:52:11,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:52:11,906 INFO L479 AbstractCegarLoop]: Abstraction has 1954 states and 2576 transitions. [2020-10-12 22:52:11,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:52:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2576 transitions. [2020-10-12 22:52:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 22:52:11,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:52:11,910 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] [2020-10-12 22:52:11,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 22:52:11,910 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:52:11,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:52:11,911 INFO L82 PathProgramCache]: Analyzing trace with hash 725272644, now seen corresponding path program 1 times [2020-10-12 22:52:11,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:52:11,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484478156] [2020-10-12 22:52:11,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:52:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:12,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:13,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:15,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:15,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 22:52:15,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:52:15,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3860 [2020-10-12 22:52:15,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:52:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:52:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 22:52:15,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:19,417 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-12 22:52:19,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:52:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:19,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:19,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:19,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:52:19,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:52:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-12 22:52:19,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:52:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:52:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:52:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:19,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:52:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:19,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:19,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:19,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:52:19,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:52:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 22:52:19,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:52:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:52:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:52:19,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:19,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 22:52:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:19,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:19,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:19,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:52:19,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:52:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 22:52:19,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:52:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:52:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:52:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:20,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:52:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:20,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:20,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:20,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:52:20,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:52:20,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:52:20,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:20,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:52:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:52:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:52:20,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:20,035 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 22:52:20,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484478156] [2020-10-12 22:52:20,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:52:20,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:52:20,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404322381] [2020-10-12 22:52:20,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:52:20,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:52:20,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:52:20,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:52:20,038 INFO L87 Difference]: Start difference. First operand 1954 states and 2576 transitions. Second operand 5 states. [2020-10-12 22:52:25,161 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-12 22:52:41,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:52:41,143 INFO L93 Difference]: Finished difference Result 2098 states and 2777 transitions. [2020-10-12 22:52:41,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 22:52:41,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-10-12 22:52:41,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:52:41,158 INFO L225 Difference]: With dead ends: 2098 [2020-10-12 22:52:41,159 INFO L226 Difference]: Without dead ends: 2095 [2020-10-12 22:52:41,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:52:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2020-10-12 22:52:41,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 1953. [2020-10-12 22:52:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2020-10-12 22:52:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2574 transitions. [2020-10-12 22:52:41,655 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2574 transitions. Word has length 42 [2020-10-12 22:52:41,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:52:41,655 INFO L479 AbstractCegarLoop]: Abstraction has 1953 states and 2574 transitions. [2020-10-12 22:52:41,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:52:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2574 transitions. [2020-10-12 22:52:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-12 22:52:41,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:52:41,658 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 22:52:41,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 22:52:41,659 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:52:41,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:52:41,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1007995532, now seen corresponding path program 1 times [2020-10-12 22:52:41,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:52:41,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599383560] [2020-10-12 22:52:41,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:52:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:41,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:42,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:44,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:44,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 22:52:44,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:52:44,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2694 [2020-10-12 22:52:44,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:44,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:52:44,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:52:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 22:52:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:47,635 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-12 22:52:47,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:52:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:47,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:47,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:47,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:52:47,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:52:47,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-12 22:52:47,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:52:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:52:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:52:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:48,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:52:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:48,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:52:48,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:52:48,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:52:48,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:52:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:52:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:52:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:48,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 22:52:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:48,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:48,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:48,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:52:48,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:52:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 22:52:48,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:52:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:52:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:52:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:52:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:52:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:52:48,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:52:48,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:52:48,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:52:48,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:52:48,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:52:48,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:52:48,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:52:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:52:48,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:52:48,114 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 22:52:48,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599383560] [2020-10-12 22:52:48,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:52:48,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:52:48,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524728060] [2020-10-12 22:52:48,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:52:48,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:52:48,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:52:48,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:52:48,116 INFO L87 Difference]: Start difference. First operand 1953 states and 2574 transitions. Second operand 5 states. [2020-10-12 22:52:53,228 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-12 22:53:10,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:53:10,820 INFO L93 Difference]: Finished difference Result 2097 states and 2775 transitions. [2020-10-12 22:53:10,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 22:53:10,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-10-12 22:53:10,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:53:10,833 INFO L225 Difference]: With dead ends: 2097 [2020-10-12 22:53:10,833 INFO L226 Difference]: Without dead ends: 2094 [2020-10-12 22:53:10,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:53:10,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2020-10-12 22:53:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1952. [2020-10-12 22:53:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-12 22:53:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2572 transitions. [2020-10-12 22:53:11,473 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2572 transitions. Word has length 43 [2020-10-12 22:53:11,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:53:11,473 INFO L479 AbstractCegarLoop]: Abstraction has 1952 states and 2572 transitions. [2020-10-12 22:53:11,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:53:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2572 transitions. [2020-10-12 22:53:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-12 22:53:11,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:53:11,476 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, 1] [2020-10-12 22:53:11,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 22:53:11,477 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:53:11,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:53:11,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1182475335, now seen corresponding path program 1 times [2020-10-12 22:53:11,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:53:11,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584444421] [2020-10-12 22:53:11,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:53:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:53:11,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:53:12,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:53:14,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:53:14,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 22:53:14,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:53:14,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2644 [2020-10-12 22:53:14,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:53:14,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:53:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 22:53:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:53:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:53:17,664 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-12 22:53:17,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:53:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:53:17,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:53:17,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:53:17,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:53:17,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:53:17,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-12 22:53:17,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:53:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:53:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:53:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:53:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:53:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:53:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:53:18,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:53:18,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:53:18,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:53:18,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:53:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:53:18,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:53:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:53:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:53:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:53:18,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:53:18,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 22:53:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:53:18,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:53:18,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:53:18,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:53:18,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:53:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:53:18,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:53:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:53:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:53:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:53:18,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:53:18,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:53:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:53:18,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:53:18,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:53:18,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:53:18,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:53:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:53:18,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:53:18,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:53:18,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:53:18,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:53:18,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:53:18,086 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 22:53:18,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584444421] [2020-10-12 22:53:18,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:53:18,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:53:18,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132004765] [2020-10-12 22:53:18,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:53:18,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:53:18,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:53:18,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:53:18,088 INFO L87 Difference]: Start difference. First operand 1952 states and 2572 transitions. Second operand 5 states. [2020-10-12 22:53:28,448 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-12 22:53:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:53:56,652 INFO L93 Difference]: Finished difference Result 3151 states and 4166 transitions. [2020-10-12 22:53:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:53:56,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-10-12 22:53:56,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:53:56,672 INFO L225 Difference]: With dead ends: 3151 [2020-10-12 22:53:56,672 INFO L226 Difference]: Without dead ends: 3141 [2020-10-12 22:53:56,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:53:56,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2020-10-12 22:53:57,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 1952. [2020-10-12 22:53:57,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-12 22:53:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2571 transitions. [2020-10-12 22:53:57,323 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2571 transitions. Word has length 44 [2020-10-12 22:53:57,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:53:57,324 INFO L479 AbstractCegarLoop]: Abstraction has 1952 states and 2571 transitions. [2020-10-12 22:53:57,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:53:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2571 transitions. [2020-10-12 22:53:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-12 22:53:57,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:53:57,327 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, 1] [2020-10-12 22:53:57,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 22:53:57,328 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:53:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:53:57,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1862533705, now seen corresponding path program 1 times [2020-10-12 22:53:57,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:53:57,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986501932] [2020-10-12 22:53:57,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:53:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:53:57,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:53:58,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:53:58,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 22:53:58,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:53:58,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1068 [2020-10-12 22:53:58,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:53:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:53:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:53:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 22:53:58,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:01,469 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-12 22:54:01,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:54:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:01,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:01,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:01,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:54:01,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:01,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-12 22:54:01,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:54:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:54:01,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:01,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:54:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:01,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:01,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:01,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:54:01,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:01,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:54:01,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:54:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:54:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:01,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 22:54:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:01,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:01,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:54:01,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:54:01,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:54:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:54:01,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:01,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:54:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:54:01,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:54:01,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:54:01,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:54:01,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:54:01,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 22:54:01,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:54:01,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:54:01,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:54:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:54:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:54:01,899 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 22:54:01,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986501932] [2020-10-12 22:54:01,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:54:01,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:54:01,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903749041] [2020-10-12 22:54:01,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:54:01,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:54:01,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:54:01,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:54:01,901 INFO L87 Difference]: Start difference. First operand 1952 states and 2571 transitions. Second operand 5 states. [2020-10-12 22:54:07,135 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 822