/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 language data_model -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 0.2.0-0f64333 [2020-10-29 16:22:04,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:22:04,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:22:04,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:22:04,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:22:04,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:22:04,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:22:04,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:22:04,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:22:04,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:22:04,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:22:04,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:22:04,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:22:04,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:22:04,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:22:04,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:22:04,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:22:04,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:22:04,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:22:04,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:22:04,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:22:04,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:22:04,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:22:04,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:22:04,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:22:04,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:22:04,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:22:04,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:22:04,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:22:04,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:22:04,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:22:04,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:22:04,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:22:04,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:22:04,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:22:04,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:22:04,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:22:04,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:22:04,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:22:04,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:22:04,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:22:04,819 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 [2020-10-29 16:22:04,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:22:04,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:22:04,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:22:04,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:22:04,873 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:22:04,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:22:04,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:22:04,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:22:04,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:22:04,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:22:04,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:22:04,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:22:04,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:22:04,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:22:04,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:22:04,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:22:04,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:22:04,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:22:04,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:22:04,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:22:04,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:22:04,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:22:04,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:22:04,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:22:04,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:22:04,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:22:04,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:22:04,878 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:22:05,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:22:05,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:22:05,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:22:05,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:22:05,326 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:22:05,327 INFO L432 ainManager$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 [2020-10-29 16:22:05,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e5a9367/3bd57d81f352462181ecd2b3b6caa834/FLAG067c44f58 [2020-10-29 16:22:06,394 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:22:06,396 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 [2020-10-29 16:22:06,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e5a9367/3bd57d81f352462181ecd2b3b6caa834/FLAG067c44f58 [2020-10-29 16:22:06,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8e5a9367/3bd57d81f352462181ecd2b3b6caa834 [2020-10-29 16:22:06,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:22:06,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:22:06,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:22:06,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:22:06,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:22:06,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:22:06" (1/1) ... [2020-10-29 16:22:06,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229981d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:06, skipping insertion in model container [2020-10-29 16:22:06,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:22:06" (1/1) ... [2020-10-29 16:22:06,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:22:06,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:22:08,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:22:08,631 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:22:08,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:22:09,250 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:22:09,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09 WrapperNode [2020-10-29 16:22:09,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:22:09,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:22:09,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:22:09,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:22:09,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (1/1) ... [2020-10-29 16:22:09,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (1/1) ... [2020-10-29 16:22:09,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (1/1) ... [2020-10-29 16:22:09,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (1/1) ... [2020-10-29 16:22:09,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (1/1) ... [2020-10-29 16:22:09,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (1/1) ... [2020-10-29 16:22:09,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (1/1) ... [2020-10-29 16:22:09,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:22:09,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:22:09,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:22:09,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:22:09,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (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 [2020-10-29 16:22:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:22:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:22:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-29 16:22:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:22:09,656 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-29 16:22:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-29 16:22:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-29 16:22:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-29 16:22:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 16:22:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 16:22:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:22:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 16:22:09,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 16:22:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 16:22:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-29 16:22:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-29 16:22:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2020-10-29 16:22:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure read_method_int [2020-10-29 16:22:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2020-10-29 16:22:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2020-10-29 16:22:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2020-10-29 16:22:09,665 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2020-10-29 16:22:09,665 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_show [2020-10-29 16:22:09,666 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_open [2020-10-29 16:22:09,666 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_show [2020-10-29 16:22:09,666 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_open [2020-10-29 16:22:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_init [2020-10-29 16:22:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2020-10-29 16:22:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_cam [2020-10-29 16:22:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_cam [2020-10-29 16:22:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_fan [2020-10-29 16:22:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_fan [2020-10-29 16:22:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_is_visible [2020-10-29 16:22:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_rfk_set [2020-10-29 16:22:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2020-10-29 16:22:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_register_rfkill [2020-10-29 16:22:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2020-10-29 16:22:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_init [2020-10-29 16:22:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2020-10-29 16:22:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_init [2020-10-29 16:22:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2020-10-29 16:22:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2020-10-29 16:22:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_novokey [2020-10-29 16:22:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_check_special_buttons [2020-10-29 16:22:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2020-10-29 16:22:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2020-10-29 16:22:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2020-10-29 16:22:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_exit [2020-10-29 16:22:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_power [2020-10-29 16:22:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_brightness [2020-10-29 16:22:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2020-10-29 16:22:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2020-10-29 16:22:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_remove [2020-10-29 16:22:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2020-10-29 16:22:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2020-10-29 16:22:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_init [2020-10-29 16:22:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_exit [2020-10-29 16:22:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:22:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-29 16:22:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-29 16:22:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-29 16:22:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-29 16:22:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-29 16:22:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-29 16:22:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-29 16:22:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-29 16:22:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-29 16:22:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-29 16:22:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 16:22:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 16:22:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 16:22:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:22:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:22:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-29 16:22:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-29 16:22:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:22:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-29 16:22:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-29 16:22:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-29 16:22:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-29 16:22:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-29 16:22:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-29 16:22:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-29 16:22:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-29 16:22:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-29 16:22:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:22:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:22:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:22:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:22:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:22:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:22:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:22:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-29 16:22:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-29 16:22:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-29 16:22:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-29 16:22:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-29 16:22:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-29 16:22:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-29 16:22:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:22:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:22:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_register_driver [2020-10-29 16:22:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_unregister_driver [2020-10-29 16:22:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2020-10-29 16:22:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2020-10-29 16:22:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_video_backlight_support [2020-10-29 16:22:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_register [2020-10-29 16:22:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_unregister [2020-10-29 16:22:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_force_update [2020-10-29 16:22:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2020-10-29 16:22:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2020-10-29 16:22:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2020-10-29 16:22:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 16:22:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 16:22:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure i8042_command [2020-10-29 16:22:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-29 16:22:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-29 16:22:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-29 16:22:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_complete_2 [2020-10-29 16:22:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_2 [2020-10-29 16:22:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_late_2 [2020-10-29 16:22:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_noirq_2 [2020-10-29 16:22:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_2 [2020-10-29 16:22:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_late_2 [2020-10-29 16:22:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_noirq_2 [2020-10-29 16:22:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_prepare_2 [2020-10-29 16:22:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_early_2 [2020-10-29 16:22:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_noirq_2 [2020-10-29 16:22:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_early_2 [2020-10-29 16:22:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_noirq_2 [2020-10-29 16:22:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_2 [2020-10-29 16:22:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_late_2 [2020-10-29 16:22:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_noirq_2 [2020-10-29 16:22:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_early_2 [2020-10-29 16:22:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_noirq_2 [2020-10-29 16:22:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-29 16:22:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-29 16:22:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 16:22:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-10-29 16:22:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-10-29 16:22:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_del [2020-10-29 16:22:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-10-29 16:22:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-29 16:22:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:22:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_alloc [2020-10-29 16:22:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2020-10-29 16:22:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2020-10-29 16:22:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_register [2020-10-29 16:22:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_set_hw_state [2020-10-29 16:22:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_unregister [2020-10-29 16:22:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-29 16:22:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2020-10-29 16:22:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2020-10-29 16:22:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2020-10-29 16:22:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2020-10-29 16:22:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2020-10-29 16:22:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2020-10-29 16:22:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_report_event [2020-10-29 16:22:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_setup [2020-10-29 16:22:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-29 16:22:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-29 16:22:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:22:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 16:22:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:22:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:22:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:22:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:22:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:22:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:22:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 16:22:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-29 16:22:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:22:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-29 16:22:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 16:22:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-29 16:22:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-29 16:22:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-29 16:22:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-29 16:22:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-29 16:22:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-29 16:22:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-29 16:22:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-29 16:22:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-29 16:22:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-29 16:22:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-29 16:22:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-29 16:22:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-29 16:22:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 16:22:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 16:22:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-29 16:22:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:22:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 16:22:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:22:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 16:22:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:22:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:22:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 16:22:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 16:22:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 16:22:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 16:22:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2020-10-29 16:22:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2020-10-29 16:22:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_register_driver [2020-10-29 16:22:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_unregister_driver [2020-10-29 16:22:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_video_backlight_support [2020-10-29 16:22:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_alloc [2020-10-29 16:22:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_register [2020-10-29 16:22:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_unregister [2020-10-29 16:22:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2020-10-29 16:22:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_set_hw_state [2020-10-29 16:22:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2020-10-29 16:22:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-29 16:22:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-10-29 16:22:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-10-29 16:22:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_del [2020-10-29 16:22:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-10-29 16:22:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-29 16:22:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-29 16:22:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-29 16:22:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-29 16:22:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-29 16:22:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_setup [2020-10-29 16:22:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2020-10-29 16:22:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_report_event [2020-10-29 16:22:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2020-10-29 16:22:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-29 16:22:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:22:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_register [2020-10-29 16:22:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_unregister [2020-10-29 16:22:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_force_update [2020-10-29 16:22:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-29 16:22:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-29 16:22:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-29 16:22:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2020-10-29 16:22:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2020-10-29 16:22:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2020-10-29 16:22:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2020-10-29 16:22:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2020-10-29 16:22:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure i8042_command [2020-10-29 16:22:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure read_method_int [2020-10-29 16:22:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:22:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:22:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2020-10-29 16:22:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:22:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2020-10-29 16:22:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2020-10-29 16:22:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2020-10-29 16:22:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_show [2020-10-29 16:22:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_open [2020-10-29 16:22:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_show [2020-10-29 16:22:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_open [2020-10-29 16:22:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_init [2020-10-29 16:22:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2020-10-29 16:22:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_cam [2020-10-29 16:22:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_cam [2020-10-29 16:22:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_fan [2020-10-29 16:22:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_fan [2020-10-29 16:22:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_is_visible [2020-10-29 16:22:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_rfk_set [2020-10-29 16:22:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2020-10-29 16:22:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_register_rfkill [2020-10-29 16:22:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2020-10-29 16:22:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_init [2020-10-29 16:22:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2020-10-29 16:22:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_init [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_novokey [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_check_special_buttons [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 16:22:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_exit [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_power [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_brightness [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_remove [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_init [2020-10-29 16:22:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_exit [2020-10-29 16:22:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_noirq_2 [2020-10-29 16:22:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_complete_2 [2020-10-29 16:22:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_noirq_2 [2020-10-29 16:22:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_early_2 [2020-10-29 16:22:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_late_2 [2020-10-29 16:22:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_early_2 [2020-10-29 16:22:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_2 [2020-10-29 16:22:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_noirq_2 [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_late_2 [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_prepare_2 [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_late_2 [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_early_2 [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_2 [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_noirq_2 [2020-10-29 16:22:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_2 [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_noirq_2 [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_noirq_2 [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-29 16:22:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:22:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:22:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-29 16:22:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:22:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-29 16:22:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-29 16:22:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:22:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:22:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:22:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:22:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:22:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 16:22:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 16:22:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:22:29,516 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:22:29,517 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 16:22:29,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:29 BoogieIcfgContainer [2020-10-29 16:22:29,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:22:29,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:22:29,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:22:29,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:22:29,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:22:06" (1/3) ... [2020-10-29 16:22:29,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7251c344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:22:29, skipping insertion in model container [2020-10-29 16:22:29,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:09" (2/3) ... [2020-10-29 16:22:29,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7251c344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:22:29, skipping insertion in model container [2020-10-29 16:22:29,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:29" (3/3) ... [2020-10-29 16:22:29,538 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2020-10-29 16:22:29,551 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:22:29,563 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:22:29,576 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:22:29,612 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:22:29,613 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:22:29,613 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:22:29,613 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:22:29,613 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:22:29,613 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:22:29,613 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:22:29,613 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:22:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states. [2020-10-29 16:22:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-29 16:22:29,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:22:29,677 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] [2020-10-29 16:22:29,677 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:22:29,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:22:29,684 INFO L82 PathProgramCache]: Analyzing trace with hash 797343568, now seen corresponding path program 1 times [2020-10-29 16:22:29,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:22:29,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82251717] [2020-10-29 16:22:29,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:22:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:30,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:30,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:35,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:35,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-29 16:22:35,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:22:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5422 [2020-10-29 16:22:35,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:35,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:22:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 16:22:35,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-29 16:22:40,532 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-29 16:22:40,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:22:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:41,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:41,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:41,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-29 16:22:41,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:41,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:41,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:41,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:41,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:41,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:22:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:22:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:41,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:41,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:41,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:41,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:41,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 16:22:41,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:41,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:22:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 16:22:41,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:22:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:41,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:41,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:41,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 16:22:41,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:22:41,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:41,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 16:22:41,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:22:41,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:22:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:41,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:41,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:41,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:41,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:22:41,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:41,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:41,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:22:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:22:41,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82251717] [2020-10-29 16:22:41,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:22:41,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:22:41,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270916335] [2020-10-29 16:22:41,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:22:41,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:22:41,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:22:41,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:22:41,616 INFO L87 Difference]: Start difference. First operand 1211 states. Second operand 5 states. [2020-10-29 16:22:48,793 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-29 16:23:11,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:23:11,062 INFO L93 Difference]: Finished difference Result 2082 states and 2811 transitions. [2020-10-29 16:23:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:23:11,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-29 16:23:11,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:23:11,093 INFO L225 Difference]: With dead ends: 2082 [2020-10-29 16:23:11,093 INFO L226 Difference]: Without dead ends: 1072 [2020-10-29 16:23:11,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:23:11,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-29 16:23:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1001. [2020-10-29 16:23:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-10-29 16:23:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1314 transitions. [2020-10-29 16:23:11,717 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1314 transitions. Word has length 38 [2020-10-29 16:23:11,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:23:11,718 INFO L481 AbstractCegarLoop]: Abstraction has 1001 states and 1314 transitions. [2020-10-29 16:23:11,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:23:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1314 transitions. [2020-10-29 16:23:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-29 16:23:11,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:23:11,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:23:11,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:23:11,735 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:23:11,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:23:11,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1605222148, now seen corresponding path program 1 times [2020-10-29 16:23:11,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:23:11,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064054665] [2020-10-29 16:23:11,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:23:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:12,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:12,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:17,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:17,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 16:23:17,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:23:17,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5228 [2020-10-29 16:23:17,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:17,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:23:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:23:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 16:23:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:21,961 WARN L193 SmtUtils]: Spent 4.63 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-29 16:23:21,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:23:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:22,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:22,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:22,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:22,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:22,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-29 16:23:22,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:22,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:22,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:22,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:23:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:22,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:22,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:22,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:22,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:23:22,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:22,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:23:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:23:22,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:22,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:23:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:22,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:22,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:22,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 16:23:22,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:22,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:23:22,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:22,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:23:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 16:23:22,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:22,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:23:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:22,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:22,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:22,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:22,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:22,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:23:22,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:22,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:22,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:22,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:22,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:23:22,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064054665] [2020-10-29 16:23:22,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:23:22,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:23:22,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972548644] [2020-10-29 16:23:22,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:23:22,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:23:22,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:23:22,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:23:22,692 INFO L87 Difference]: Start difference. First operand 1001 states and 1314 transitions. Second operand 5 states. [2020-10-29 16:23:29,670 WARN L193 SmtUtils]: Spent 4.52 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-29 16:23:51,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:23:51,032 INFO L93 Difference]: Finished difference Result 1076 states and 1417 transitions. [2020-10-29 16:23:51,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:23:51,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-29 16:23:51,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:23:51,043 INFO L225 Difference]: With dead ends: 1076 [2020-10-29 16:23:51,043 INFO L226 Difference]: Without dead ends: 1071 [2020-10-29 16:23:51,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:23:51,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2020-10-29 16:23:51,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1000. [2020-10-29 16:23:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2020-10-29 16:23:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1312 transitions. [2020-10-29 16:23:51,431 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1312 transitions. Word has length 39 [2020-10-29 16:23:51,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:23:51,432 INFO L481 AbstractCegarLoop]: Abstraction has 1000 states and 1312 transitions. [2020-10-29 16:23:51,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:23:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1312 transitions. [2020-10-29 16:23:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-29 16:23:51,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:23:51,438 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] [2020-10-29 16:23:51,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:23:51,439 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:23:51,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:23:51,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1229329171, now seen corresponding path program 1 times [2020-10-29 16:23:51,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:23:51,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068720091] [2020-10-29 16:23:51,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:23:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:51,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:51,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:56,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-29 16:23:56,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:23:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4640 [2020-10-29 16:23:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:56,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:23:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:23:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 16:23:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:24:00,816 WARN L193 SmtUtils]: Spent 4.44 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-29 16:24:00,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:24:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:00,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:01,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:01,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:24:01,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:24:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-29 16:24:01,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:01,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:24:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:24:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:24:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:24:01,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:24:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:01,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:24:01,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:24:01,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:24:01,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:01,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:24:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:24:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:24:01,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:24:01,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:24:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:01,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:01,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:01,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 16:24:01,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:24:01,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:24:01,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:01,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:01,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:24:01,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:24:01,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 16:24:01,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:24:01,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:24:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:01,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:01,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:01,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:24:01,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:24:01,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:24:01,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:01,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:24:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:24:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:24:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:24:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:24:01,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068720091] [2020-10-29 16:24:01,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:24:01,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:24:01,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95780252] [2020-10-29 16:24:01,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:24:01,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:24:01,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:24:01,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:24:01,417 INFO L87 Difference]: Start difference. First operand 1000 states and 1312 transitions. Second operand 5 states. [2020-10-29 16:24:08,447 WARN L193 SmtUtils]: Spent 4.56 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-29 16:24:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:24:29,774 INFO L93 Difference]: Finished difference Result 1075 states and 1415 transitions. [2020-10-29 16:24:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:24:29,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-29 16:24:29,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:24:29,784 INFO L225 Difference]: With dead ends: 1075 [2020-10-29 16:24:29,784 INFO L226 Difference]: Without dead ends: 1070 [2020-10-29 16:24:29,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:24:29,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-29 16:24:30,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 999. [2020-10-29 16:24:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-29 16:24:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1310 transitions. [2020-10-29 16:24:30,086 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1310 transitions. Word has length 40 [2020-10-29 16:24:30,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:24:30,086 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1310 transitions. [2020-10-29 16:24:30,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:24:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1310 transitions. [2020-10-29 16:24:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-29 16:24:30,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:24:30,089 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] [2020-10-29 16:24:30,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 16:24:30,090 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:24:30,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:24:30,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1089215969, now seen corresponding path program 1 times [2020-10-29 16:24:30,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:24:30,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994397956] [2020-10-29 16:24:30,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:24:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:30,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:30,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:34,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:34,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 16:24:34,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:24:34,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3919 [2020-10-29 16:24:34,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:34,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:24:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:24:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 16:24:34,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:24:38,711 WARN L193 SmtUtils]: Spent 4.44 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-29 16:24:38,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:24:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:39,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:39,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:24:39,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:24:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-29 16:24:39,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:39,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:24:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:24:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:24:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:24:39,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:24:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:39,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:39,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:24:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:24:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:24:39,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:39,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:24:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:24:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:24:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:24:39,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:24:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:39,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:39,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:39,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 16:24:39,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:24:39,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:24:39,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:39,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:24:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:24:39,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 16:24:39,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:24:39,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:24:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:24:39,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:24:39,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:24:39,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:24:39,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:24:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:24:39,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:24:39,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:24:39,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:24:39,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:24:39,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:24:39,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:24:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:24:39,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994397956] [2020-10-29 16:24:39,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:24:39,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:24:39,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325029175] [2020-10-29 16:24:39,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:24:39,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:24:39,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:24:39,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:24:39,346 INFO L87 Difference]: Start difference. First operand 999 states and 1310 transitions. Second operand 5 states. [2020-10-29 16:24:46,314 WARN L193 SmtUtils]: Spent 4.54 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-29 16:25:07,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:25:07,048 INFO L93 Difference]: Finished difference Result 1074 states and 1413 transitions. [2020-10-29 16:25:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:25:07,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-29 16:25:07,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:25:07,056 INFO L225 Difference]: With dead ends: 1074 [2020-10-29 16:25:07,056 INFO L226 Difference]: Without dead ends: 1069 [2020-10-29 16:25:07,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:25:07,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2020-10-29 16:25:07,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 998. [2020-10-29 16:25:07,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-10-29 16:25:07,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1308 transitions. [2020-10-29 16:25:07,316 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1308 transitions. Word has length 41 [2020-10-29 16:25:07,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:25:07,317 INFO L481 AbstractCegarLoop]: Abstraction has 998 states and 1308 transitions. [2020-10-29 16:25:07,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:25:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1308 transitions. [2020-10-29 16:25:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 16:25:07,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:25:07,320 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] [2020-10-29 16:25:07,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 16:25:07,320 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:25:07,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:25:07,321 INFO L82 PathProgramCache]: Analyzing trace with hash 55005910, now seen corresponding path program 1 times [2020-10-29 16:25:07,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:25:07,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010335025] [2020-10-29 16:25:07,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:25:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:25:07,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:25:07,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:25:10,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:25:10,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 16:25:10,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:25:10,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3253 [2020-10-29 16:25:10,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:25:10,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:25:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:25:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:25:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 16:25:10,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:25:15,411 WARN L193 SmtUtils]: Spent 4.57 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-29 16:25:15,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:25:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:25:15,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:25:15,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:25:15,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:25:15,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:25:15,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-29 16:25:15,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:25:15,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:25:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:25:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:25:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:25:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:25:15,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:25:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:25:15,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:25:15,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:25:15,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:25:15,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:25:15,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:25:15,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:25:15,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:25:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:25:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:25:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:25:15,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:25:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 16:25:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:25:15,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:25:15,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:25:15,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 16:25:15,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:25:15,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:25:15,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:25:15,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:25:15,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:25:15,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:25:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 16:25:15,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:25:15,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:25:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:25:15,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:25:15,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:25:15,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:25:15,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:25:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:25:15,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:25:15,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:25:15,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:25:15,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:25:15,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:25:15,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:25:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:25:15,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010335025] [2020-10-29 16:25:15,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:25:15,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:25:15,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943806865] [2020-10-29 16:25:15,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:25:15,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:25:15,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:25:15,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:25:15,960 INFO L87 Difference]: Start difference. First operand 998 states and 1308 transitions. Second operand 5 states. [2020-10-29 16:25:22,981 WARN L193 SmtUtils]: Spent 4.63 s on a formula simplification that was a NOOP. DAG size: 834