/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 [2020-10-28 21:35:53,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:35:53,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:35:53,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:35:53,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:35:53,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:35:53,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:35:53,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:35:53,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:35:53,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:35:53,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:35:53,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:35:53,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:35:53,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:35:53,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:35:53,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:35:53,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:35:53,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:35:53,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:35:53,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:35:53,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:35:53,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:35:53,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:35:53,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:35:53,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:35:53,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:35:53,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:35:53,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:35:53,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:35:53,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 21:35:53,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 21:35:53,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 21:35:53,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 21:35:53,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 21:35:53,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 21:35:53,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 21:35:53,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 21:35:53,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 21:35:53,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:35:53,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:35:53,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:35:53,962 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 [2020-10-28 21:35:54,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:35:54,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:35:54,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:35:54,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:35:54,019 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:35:54,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:35:54,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:35:54,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:35:54,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:35:54,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:35:54,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:35:54,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:35:54,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:35:54,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:35:54,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:35:54,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:35:54,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:35:54,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:35:54,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:35:54,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:35:54,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:35:54,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:35:54,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:35:54,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:35:54,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:35:54,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:35:54,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:35:54,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:35:54,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:35:54,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:35:54,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:35:54,487 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:35:54,488 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:35:54,489 INFO L432 ainManager$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 [2020-10-28 21:35:54,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9906f5392/85cd3517b2a845dc90e7dfbb16c5e5d9/FLAG90dd787f7 [2020-10-28 21:35:55,659 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:35:55,660 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 [2020-10-28 21:35:55,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9906f5392/85cd3517b2a845dc90e7dfbb16c5e5d9/FLAG90dd787f7 [2020-10-28 21:35:56,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9906f5392/85cd3517b2a845dc90e7dfbb16c5e5d9 [2020-10-28 21:35:56,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:35:56,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:35:56,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:35:56,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:35:56,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:35:56,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:35:56" (1/1) ... [2020-10-28 21:35:56,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f39efff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:56, skipping insertion in model container [2020-10-28 21:35:56,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:35:56" (1/1) ... [2020-10-28 21:35:56,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:35:56,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:35:58,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:35:58,098 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:35:58,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:35:58,749 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:35:58,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58 WrapperNode [2020-10-28 21:35:58,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:35:58,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:35:58,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:35:58,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:35:58,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (1/1) ... [2020-10-28 21:35:58,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (1/1) ... [2020-10-28 21:35:58,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (1/1) ... [2020-10-28 21:35:58,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (1/1) ... [2020-10-28 21:35:58,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (1/1) ... [2020-10-28 21:35:59,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (1/1) ... [2020-10-28 21:35:59,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (1/1) ... [2020-10-28 21:35:59,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:35:59,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:35:59,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:35:59,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:35:59,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (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 [2020-10-28 21:35:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:35:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:35:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-28 21:35:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:35:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 21:35:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 21:35:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-28 21:35:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 21:35:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 21:35:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 21:35:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:35:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 21:35:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 21:35:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 21:35:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-28 21:35:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-28 21:35:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2020-10-28 21:35:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure read_method_int [2020-10-28 21:35:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2020-10-28 21:35:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2020-10-28 21:35:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2020-10-28 21:35:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2020-10-28 21:35:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_show [2020-10-28 21:35:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_open [2020-10-28 21:35:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_show [2020-10-28 21:35:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_open [2020-10-28 21:35:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_init [2020-10-28 21:35:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2020-10-28 21:35:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_cam [2020-10-28 21:35:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_cam [2020-10-28 21:35:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_fan [2020-10-28 21:35:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_fan [2020-10-28 21:35:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_is_visible [2020-10-28 21:35:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_rfk_set [2020-10-28 21:35:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2020-10-28 21:35:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_register_rfkill [2020-10-28 21:35:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2020-10-28 21:35:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_init [2020-10-28 21:35:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2020-10-28 21:35:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_init [2020-10-28 21:35:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2020-10-28 21:35:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2020-10-28 21:35:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_novokey [2020-10-28 21:35:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_check_special_buttons [2020-10-28 21:35:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2020-10-28 21:35:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2020-10-28 21:35:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2020-10-28 21:35:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_exit [2020-10-28 21:35:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_power [2020-10-28 21:35:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_brightness [2020-10-28 21:35:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2020-10-28 21:35:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2020-10-28 21:35:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_remove [2020-10-28 21:35:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2020-10-28 21:35:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2020-10-28 21:35:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_init [2020-10-28 21:35:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_exit [2020-10-28 21:35:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:35:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 21:35:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 21:35:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 21:35:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-28 21:35:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-28 21:35:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-28 21:35:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 21:35:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-28 21:35:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-28 21:35:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-28 21:35:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 21:35:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 21:35:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 21:35:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:35:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:35:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 21:35:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 21:35:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:35:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 21:35:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 21:35:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-28 21:35:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-28 21:35:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-28 21:35:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-28 21:35:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-28 21:35:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-28 21:35:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-28 21:35:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:35:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:35:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:35:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:35:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:35:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:35:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:35:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-28 21:35:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-28 21:35:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-28 21:35:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-28 21:35:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-28 21:35:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-28 21:35:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-28 21:35:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:35:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:35:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_register_driver [2020-10-28 21:35:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_unregister_driver [2020-10-28 21:35:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2020-10-28 21:35:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2020-10-28 21:35:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_video_backlight_support [2020-10-28 21:35:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_register [2020-10-28 21:35:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_unregister [2020-10-28 21:35:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_force_update [2020-10-28 21:35:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2020-10-28 21:35:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2020-10-28 21:35:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2020-10-28 21:35:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 21:35:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 21:35:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure i8042_command [2020-10-28 21:35:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-28 21:35:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-28 21:35:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-28 21:35:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_complete_2 [2020-10-28 21:35:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_2 [2020-10-28 21:35:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_late_2 [2020-10-28 21:35:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_noirq_2 [2020-10-28 21:35:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_2 [2020-10-28 21:35:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_late_2 [2020-10-28 21:35:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_noirq_2 [2020-10-28 21:35:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_prepare_2 [2020-10-28 21:35:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_early_2 [2020-10-28 21:35:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_noirq_2 [2020-10-28 21:35:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_early_2 [2020-10-28 21:35:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_noirq_2 [2020-10-28 21:35:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_2 [2020-10-28 21:35:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_late_2 [2020-10-28 21:35:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_noirq_2 [2020-10-28 21:35:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_early_2 [2020-10-28 21:35:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_noirq_2 [2020-10-28 21:35:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 21:35:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 21:35:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 21:35:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-10-28 21:35:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-10-28 21:35:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_del [2020-10-28 21:35:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-10-28 21:35:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-28 21:35:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:35:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_alloc [2020-10-28 21:35:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2020-10-28 21:35:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2020-10-28 21:35:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_register [2020-10-28 21:35:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_set_hw_state [2020-10-28 21:35:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_unregister [2020-10-28 21:35:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-28 21:35:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2020-10-28 21:35:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2020-10-28 21:35:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2020-10-28 21:35:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2020-10-28 21:35:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2020-10-28 21:35:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2020-10-28 21:35:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_report_event [2020-10-28 21:35:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_setup [2020-10-28 21:35:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-28 21:35:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-28 21:35:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:35:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 21:35:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:35:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:35:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:35:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:35:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:35:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:35:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 21:35:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 21:35:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:35:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 21:35:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:35:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-28 21:35:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-28 21:35:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 21:35:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-28 21:35:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 21:35:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 21:35:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-28 21:35:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 21:35:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 21:35:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-28 21:35:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 21:35:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-28 21:35:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-28 21:35:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 21:35:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-28 21:35:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:35:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:35:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:35:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-28 21:35:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-28 21:35:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:35:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-28 21:35:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-28 21:35:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 21:35:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 21:35:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-28 21:35:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:35:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 21:35:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:35:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 21:35:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:35:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:35:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 21:35:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 21:35:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 21:35:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 21:35:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2020-10-28 21:35:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2020-10-28 21:35:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_register_driver [2020-10-28 21:35:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_unregister_driver [2020-10-28 21:35:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_video_backlight_support [2020-10-28 21:35:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_alloc [2020-10-28 21:35:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_register [2020-10-28 21:35:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_unregister [2020-10-28 21:35:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2020-10-28 21:35:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_set_hw_state [2020-10-28 21:35:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2020-10-28 21:35:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-28 21:35:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-10-28 21:35:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-10-28 21:35:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_del [2020-10-28 21:35:59,260 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-10-28 21:35:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-28 21:35:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-28 21:35:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-28 21:35:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-28 21:35:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-28 21:35:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_setup [2020-10-28 21:35:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2020-10-28 21:35:59,261 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_report_event [2020-10-28 21:35:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2020-10-28 21:35:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-28 21:35:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:35:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_register [2020-10-28 21:35:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_unregister [2020-10-28 21:35:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_force_update [2020-10-28 21:35:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-28 21:35:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-28 21:35:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-28 21:35:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2020-10-28 21:35:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2020-10-28 21:35:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2020-10-28 21:35:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2020-10-28 21:35:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2020-10-28 21:35:59,263 INFO L130 BoogieDeclarations]: Found specification of procedure i8042_command [2020-10-28 21:35:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure read_method_int [2020-10-28 21:35:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:35:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:35:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2020-10-28 21:35:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:35:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2020-10-28 21:35:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2020-10-28 21:35:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2020-10-28 21:35:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_show [2020-10-28 21:35:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_open [2020-10-28 21:35:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_show [2020-10-28 21:35:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_open [2020-10-28 21:35:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_init [2020-10-28 21:35:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2020-10-28 21:35:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_cam [2020-10-28 21:35:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_cam [2020-10-28 21:35:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_fan [2020-10-28 21:35:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_fan [2020-10-28 21:35:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_is_visible [2020-10-28 21:35:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_rfk_set [2020-10-28 21:35:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2020-10-28 21:35:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_register_rfkill [2020-10-28 21:35:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2020-10-28 21:35:59,266 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_init [2020-10-28 21:35:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2020-10-28 21:35:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_init [2020-10-28 21:35:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2020-10-28 21:35:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2020-10-28 21:35:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_novokey [2020-10-28 21:35:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_check_special_buttons [2020-10-28 21:35:59,267 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2020-10-28 21:35:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2020-10-28 21:35:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2020-10-28 21:35:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 21:35:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_exit [2020-10-28 21:35:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_power [2020-10-28 21:35:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_brightness [2020-10-28 21:35:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_remove [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_init [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_exit [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_noirq_2 [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_complete_2 [2020-10-28 21:35:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_noirq_2 [2020-10-28 21:35:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_early_2 [2020-10-28 21:35:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_late_2 [2020-10-28 21:35:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_early_2 [2020-10-28 21:35:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_2 [2020-10-28 21:35:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:35:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_noirq_2 [2020-10-28 21:35:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_late_2 [2020-10-28 21:35:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_prepare_2 [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_late_2 [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_early_2 [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_2 [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_noirq_2 [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_2 [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_noirq_2 [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_noirq_2 [2020-10-28 21:35:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:35:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 21:35:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 21:35:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 21:35:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-28 21:35:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-28 21:35:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-28 21:35:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:35:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:35:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:35:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:35:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-28 21:35:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-28 21:35:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-28 21:35:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-28 21:35:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-28 21:35:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 21:35:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 21:35:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 21:35:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:35:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:35:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:35:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:35:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 21:35:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 21:35:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:36:18,778 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:36:18,778 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 21:36:18,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:36:18 BoogieIcfgContainer [2020-10-28 21:36:18,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:36:18,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:36:18,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:36:18,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:36:18,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:35:56" (1/3) ... [2020-10-28 21:36:18,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbe025e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:36:18, skipping insertion in model container [2020-10-28 21:36:18,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:58" (2/3) ... [2020-10-28 21:36:18,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbe025e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:36:18, skipping insertion in model container [2020-10-28 21:36:18,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:36:18" (3/3) ... [2020-10-28 21:36:18,792 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2020-10-28 21:36:18,804 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:36:18,810 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:36:18,823 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:36:18,858 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:36:18,858 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:36:18,859 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:36:18,859 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:36:18,859 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:36:18,859 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:36:18,859 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:36:18,859 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:36:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states. [2020-10-28 21:36:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-28 21:36:18,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:36:18,923 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] [2020-10-28 21:36:18,924 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:36:18,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:36:18,930 INFO L82 PathProgramCache]: Analyzing trace with hash 797343568, now seen corresponding path program 1 times [2020-10-28 21:36:18,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:36:18,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023311997] [2020-10-28 21:36:18,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:36:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:36:19,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:36:19,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:36:24,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:36:24,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 21:36:24,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:36:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5293 [2020-10-28 21:36:24,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:36:24,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:36:24,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:36:24,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:36:24,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 21:36:24,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:36:29,415 WARN L193 SmtUtils]: Spent 4.31 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-28 21:36:29,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:36:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:36:29,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:36:29,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:36:29,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:36:29,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:36:29,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 493 [2020-10-28 21:36:29,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:36:29,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:36:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:36:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:36:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:36:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:36:30,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:36:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:36:30,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:36:30,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:36:30,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:36:30,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:36:30,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:36:30,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:36:30,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:36:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:36:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:36:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:36:30,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:36:30,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 21:36:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:36:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:36:30,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:36:30,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 21:36:30,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:36:30,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 21:36:30,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:36:30,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:36:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:36:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:36:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 21:36:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:36:30,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:36:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:36:30,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:36:30,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:36:30,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:36:30,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:36:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:36:30,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:36:30,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:36:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:36:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:36:30,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:36:30,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:36:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:36:30,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023311997] [2020-10-28 21:36:30,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:36:30,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:36:30,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925872416] [2020-10-28 21:36:30,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:36:30,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:36:30,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:36:30,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:36:30,213 INFO L87 Difference]: Start difference. First operand 1211 states. Second operand 5 states. [2020-10-28 21:36:37,086 WARN L193 SmtUtils]: Spent 4.30 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-28 21:36:57,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:36:57,699 INFO L93 Difference]: Finished difference Result 2082 states and 2811 transitions. [2020-10-28 21:36:57,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 21:36:57,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-28 21:36:57,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:36:57,748 INFO L225 Difference]: With dead ends: 2082 [2020-10-28 21:36:57,749 INFO L226 Difference]: Without dead ends: 1072 [2020-10-28 21:36:57,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:36:57,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-28 21:36:58,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1001. [2020-10-28 21:36:58,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-10-28 21:36:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1314 transitions. [2020-10-28 21:36:58,270 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1314 transitions. Word has length 38 [2020-10-28 21:36:58,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:36:58,271 INFO L481 AbstractCegarLoop]: Abstraction has 1001 states and 1314 transitions. [2020-10-28 21:36:58,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:36:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1314 transitions. [2020-10-28 21:36:58,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-28 21:36:58,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:36:58,279 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] [2020-10-28 21:36:58,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:36:58,280 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:36:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:36:58,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1605222148, now seen corresponding path program 1 times [2020-10-28 21:36:58,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:36:58,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559271797] [2020-10-28 21:36:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:36:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:36:58,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:36:58,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:03,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:03,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 21:37:03,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:37:03,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4859 [2020-10-28 21:37:03,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:03,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:37:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:37:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 21:37:03,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:37:07,793 WARN L193 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-28 21:37:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:37:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:07,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:08,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:08,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:37:08,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:37:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-28 21:37:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:08,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:37:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:37:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:37:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:37:08,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:37:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:08,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:08,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:08,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:37:08,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:37:08,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:37:08,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:08,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:37:08,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:37:08,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:37:08,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:37:08,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 21:37:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:08,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:08,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:08,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 21:37:08,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:37:08,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 21:37:08,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:08,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:08,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:37:08,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:37:08,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 21:37:08,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:37:08,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:37:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:08,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:08,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:37:08,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:37:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:37:08,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:08,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:37:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:37:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:37:08,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:37:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:37:08,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559271797] [2020-10-28 21:37:08,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:37:08,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:37:08,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797458615] [2020-10-28 21:37:08,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:37:08,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:37:08,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:37:08,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:37:08,456 INFO L87 Difference]: Start difference. First operand 1001 states and 1314 transitions. Second operand 5 states. [2020-10-28 21:37:15,283 WARN L193 SmtUtils]: Spent 4.39 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-28 21:37:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:37:35,782 INFO L93 Difference]: Finished difference Result 1076 states and 1417 transitions. [2020-10-28 21:37:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 21:37:35,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-28 21:37:35,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:37:35,793 INFO L225 Difference]: With dead ends: 1076 [2020-10-28 21:37:35,793 INFO L226 Difference]: Without dead ends: 1071 [2020-10-28 21:37:35,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:37:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2020-10-28 21:37:36,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1000. [2020-10-28 21:37:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2020-10-28 21:37:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1312 transitions. [2020-10-28 21:37:36,163 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1312 transitions. Word has length 39 [2020-10-28 21:37:36,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:37:36,163 INFO L481 AbstractCegarLoop]: Abstraction has 1000 states and 1312 transitions. [2020-10-28 21:37:36,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:37:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1312 transitions. [2020-10-28 21:37:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-28 21:37:36,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:37:36,171 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] [2020-10-28 21:37:36,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 21:37:36,172 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:37:36,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:37:36,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1229329171, now seen corresponding path program 1 times [2020-10-28 21:37:36,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:37:36,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296146516] [2020-10-28 21:37:36,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:37:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:36,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:36,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:40,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:40,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 21:37:40,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:37:40,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4314 [2020-10-28 21:37:40,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:40,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:37:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:37:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 21:37:40,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:37:45,103 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-28 21:37:45,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:37:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:45,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:45,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:45,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:37:45,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:37:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-28 21:37:45,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:45,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:37:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:37:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:37:45,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:37:45,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:37:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:45,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:45,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:37:45,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:37:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:37:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:45,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:37:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:37:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:37:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:37:45,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 21:37:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:45,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:45,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:45,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 21:37:45,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:37:45,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:37:45,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:45,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:37:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:37:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 21:37:45,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:37:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:37:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:37:45,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:37:45,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:37:45,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:37:45,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:37:45,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:37:45,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:37:45,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:37:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:37:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:37:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:37:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:37:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:37:45,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296146516] [2020-10-28 21:37:45,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:37:45,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:37:45,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230621307] [2020-10-28 21:37:45,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:37:45,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:37:45,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:37:45,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:37:45,696 INFO L87 Difference]: Start difference. First operand 1000 states and 1312 transitions. Second operand 5 states. [2020-10-28 21:37:52,512 WARN L193 SmtUtils]: Spent 4.37 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-28 21:38:12,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:38:12,833 INFO L93 Difference]: Finished difference Result 1075 states and 1415 transitions. [2020-10-28 21:38:12,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 21:38:12,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-28 21:38:12,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:38:12,842 INFO L225 Difference]: With dead ends: 1075 [2020-10-28 21:38:12,843 INFO L226 Difference]: Without dead ends: 1070 [2020-10-28 21:38:12,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:38:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-28 21:38:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 999. [2020-10-28 21:38:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-28 21:38:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1310 transitions. [2020-10-28 21:38:13,241 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1310 transitions. Word has length 40 [2020-10-28 21:38:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:38:13,242 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1310 transitions. [2020-10-28 21:38:13,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:38:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1310 transitions. [2020-10-28 21:38:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 21:38:13,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:38:13,245 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] [2020-10-28 21:38:13,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 21:38:13,245 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:38:13,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:38:13,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1089215969, now seen corresponding path program 1 times [2020-10-28 21:38:13,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:38:13,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646709467] [2020-10-28 21:38:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:38:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:13,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:17,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:17,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 21:38:17,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:38:17,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3734 [2020-10-28 21:38:17,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:17,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:38:17,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:38:17,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 21:38:17,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:38:21,542 WARN L193 SmtUtils]: Spent 4.31 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-28 21:38:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:38:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:21,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:21,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:21,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:38:21,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:38:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-28 21:38:21,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:21,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:38:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:38:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:38:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:38:21,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:38:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:21,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:21,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:21,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:38:21,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:38:21,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:38:21,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:21,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:38:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:38:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:38:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:38:21,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 21:38:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:21,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:22,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:22,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 21:38:22,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:38:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:38:22,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:22,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:38:22,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:38:22,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 21:38:22,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:38:22,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:38:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:22,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:22,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:22,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:38:22,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:38:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:38:22,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:22,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:38:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:38:22,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:38:22,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:38:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:38:22,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646709467] [2020-10-28 21:38:22,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:38:22,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:38:22,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731739885] [2020-10-28 21:38:22,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:38:22,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:38:22,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:38:22,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:38:22,036 INFO L87 Difference]: Start difference. First operand 999 states and 1310 transitions. Second operand 5 states. [2020-10-28 21:38:28,847 WARN L193 SmtUtils]: Spent 4.44 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-28 21:38:49,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:38:49,195 INFO L93 Difference]: Finished difference Result 1074 states and 1413 transitions. [2020-10-28 21:38:49,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 21:38:49,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-28 21:38:49,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:38:49,205 INFO L225 Difference]: With dead ends: 1074 [2020-10-28 21:38:49,205 INFO L226 Difference]: Without dead ends: 1069 [2020-10-28 21:38:49,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:38:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2020-10-28 21:38:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 998. [2020-10-28 21:38:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-10-28 21:38:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1308 transitions. [2020-10-28 21:38:49,473 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1308 transitions. Word has length 41 [2020-10-28 21:38:49,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:38:49,473 INFO L481 AbstractCegarLoop]: Abstraction has 998 states and 1308 transitions. [2020-10-28 21:38:49,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:38:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1308 transitions. [2020-10-28 21:38:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-28 21:38:49,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:38:49,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:38:49,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 21:38:49,477 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:38:49,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:38:49,477 INFO L82 PathProgramCache]: Analyzing trace with hash 55005910, now seen corresponding path program 1 times [2020-10-28 21:38:49,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:38:49,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642351646] [2020-10-28 21:38:49,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:38:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:49,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:49,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:52,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:52,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 21:38:52,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:38:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3053 [2020-10-28 21:38:52,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:52,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:38:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:38:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 21:38:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:38:57,116 WARN L193 SmtUtils]: Spent 4.33 s on a formula simplification that was a NOOP. DAG size: 832 [2020-10-28 21:38:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:38:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:57,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:57,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:57,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:38:57,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:38:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 432 [2020-10-28 21:38:57,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:57,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:57,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:38:57,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:38:57,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:38:57,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:38:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:38:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:57,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:57,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:38:57,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:38:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:38:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:57,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:38:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:38:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:38:57,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 21:38:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 21:38:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:57,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:57,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:57,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 21:38:57,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:38:57,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:38:57,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:57,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:38:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:38:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 21:38:57,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:38:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:38:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:38:57,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:38:57,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:38:57,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:38:57,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:38:57,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:38:57,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:38:57,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:38:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:38:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:38:57,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:38:57,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:38:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:38:57,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642351646] [2020-10-28 21:38:57,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:38:57,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:38:57,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482958376] [2020-10-28 21:38:57,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:38:57,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:38:57,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:38:57,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:38:57,784 INFO L87 Difference]: Start difference. First operand 998 states and 1308 transitions. Second operand 5 states. [2020-10-28 21:39:04,718 WARN L193 SmtUtils]: Spent 4.46 s on a formula simplification that was a NOOP. DAG size: 834 [2020-10-28 21:39:35,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:39:35,076 INFO L93 Difference]: Finished difference Result 2558 states and 3314 transitions. [2020-10-28 21:39:35,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:39:35,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-10-28 21:39:35,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:39:35,086 INFO L225 Difference]: With dead ends: 2558 [2020-10-28 21:39:35,086 INFO L226 Difference]: Without dead ends: 1557 [2020-10-28 21:39:35,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:39:35,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2020-10-28 21:39:35,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1452. [2020-10-28 21:39:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2020-10-28 21:39:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1850 transitions. [2020-10-28 21:39:35,606 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1850 transitions. Word has length 42 [2020-10-28 21:39:35,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:39:35,607 INFO L481 AbstractCegarLoop]: Abstraction has 1452 states and 1850 transitions. [2020-10-28 21:39:35,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:39:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1850 transitions. [2020-10-28 21:39:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-28 21:39:35,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:39:35,621 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:39:35,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 21:39:35,622 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:39:35,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:39:35,622 INFO L82 PathProgramCache]: Analyzing trace with hash -71464806, now seen corresponding path program 1 times [2020-10-28 21:39:35,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:39:35,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039416924] [2020-10-28 21:39:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:39:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:39:35,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:39:36,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:39:36,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:39:36,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:39:36,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:39:37,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:39:37,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:39:38,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking...