/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:32:12,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:32:12,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:32:12,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:32:12,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:32:12,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:32:12,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:32:12,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:32:12,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:32:12,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:32:12,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:32:12,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:32:12,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:32:12,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:32:12,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:32:12,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:32:12,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:32:12,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:32:12,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:32:12,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:32:12,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:32:12,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:32:12,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:32:12,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:32:12,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:32:12,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:32:12,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:32:12,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:32:12,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:32:12,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:32:12,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:32:12,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:32:12,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:32:12,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:32:12,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:32:12,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:32:12,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:32:12,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:32:12,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:32:12,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:32:12,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:32:12,359 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 [2020-10-13 17:32:12,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:32:12,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:32:12,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:32:12,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:32:12,395 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:32:12,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:32:12,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:32:12,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:32:12,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:32:12,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:32:12,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:32:12,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:32:12,396 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:32:12,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:32:12,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:32:12,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:32:12,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:32:12,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:32:12,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:32:12,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:32:12,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:32:12,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:32:12,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:32:12,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:32:12,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:32:12,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:32:12,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:32:12,400 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:32:12,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:32:12,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:32:12,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:32:12,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:32:12,703 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:32:12,704 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2020-10-13 17:32:12,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9707c8c49/b7dfaec2df8c4469b04e68af7a9c4424/FLAG7d47acfb2 [2020-10-13 17:32:13,444 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:32:13,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2020-10-13 17:32:13,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9707c8c49/b7dfaec2df8c4469b04e68af7a9c4424/FLAG7d47acfb2 [2020-10-13 17:32:13,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9707c8c49/b7dfaec2df8c4469b04e68af7a9c4424 [2020-10-13 17:32:13,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:32:13,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:32:13,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:32:13,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:32:13,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:32:13,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:32:13" (1/1) ... [2020-10-13 17:32:13,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2bc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:13, skipping insertion in model container [2020-10-13 17:32:13,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:32:13" (1/1) ... [2020-10-13 17:32:13,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:32:13,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:32:15,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:32:15,044 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:32:15,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:32:15,604 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:32:15,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15 WrapperNode [2020-10-13 17:32:15,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:32:15,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:32:15,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:32:15,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:32:15,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (1/1) ... [2020-10-13 17:32:15,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (1/1) ... [2020-10-13 17:32:15,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (1/1) ... [2020-10-13 17:32:15,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (1/1) ... [2020-10-13 17:32:15,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (1/1) ... [2020-10-13 17:32:15,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (1/1) ... [2020-10-13 17:32:15,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (1/1) ... [2020-10-13 17:32:15,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:32:15,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:32:15,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:32:15,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:32:15,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (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 [2020-10-13 17:32:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:32:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:32:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-13 17:32:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-13 17:32:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-13 17:32:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 17:32:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 17:32:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 17:32:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 17:32:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:32:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:32:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:32:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:32:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-13 17:32:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-13 17:32:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2020-10-13 17:32:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure read_method_int [2020-10-13 17:32:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2020-10-13 17:32:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2020-10-13 17:32:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2020-10-13 17:32:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2020-10-13 17:32:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_show [2020-10-13 17:32:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_status_open [2020-10-13 17:32:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_show [2020-10-13 17:32:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_cfg_open [2020-10-13 17:32:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_init [2020-10-13 17:32:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2020-10-13 17:32:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_cam [2020-10-13 17:32:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_cam [2020-10-13 17:32:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ideapad_fan [2020-10-13 17:32:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure store_ideapad_fan [2020-10-13 17:32:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_is_visible [2020-10-13 17:32:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_rfk_set [2020-10-13 17:32:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2020-10-13 17:32:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_register_rfkill [2020-10-13 17:32:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2020-10-13 17:32:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_init [2020-10-13 17:32:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2020-10-13 17:32:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_init [2020-10-13 17:32:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2020-10-13 17:32:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2020-10-13 17:32:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_novokey [2020-10-13 17:32:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_check_special_buttons [2020-10-13 17:32:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2020-10-13 17:32:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2020-10-13 17:32:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2020-10-13 17:32:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_exit [2020-10-13 17:32:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_power [2020-10-13 17:32:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_notify_brightness [2020-10-13 17:32:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2020-10-13 17:32:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2020-10-13 17:32:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_remove [2020-10-13 17:32:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2020-10-13 17:32:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2020-10-13 17:32:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_init [2020-10-13 17:32:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_driver_exit [2020-10-13 17:32:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:32:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-13 17:32:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-13 17:32:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-13 17:32:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-13 17:32:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-13 17:32:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-13 17:32:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-13 17:32:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-13 17:32:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-13 17:32:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-13 17:32:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 17:32:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 17:32:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 17:32:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:32:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:32:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-13 17:32:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-13 17:32:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:32:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-13 17:32:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-13 17:32:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-13 17:32:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-13 17:32:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-13 17:32:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-13 17:32:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-13 17:32:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-13 17:32:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-13 17:32:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:32:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:32:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:32:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:32:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:32:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:32:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:32:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-13 17:32:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-13 17:32:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-13 17:32:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-13 17:32:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-13 17:32:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-13 17:32:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-13 17:32:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:32:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:32:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_register_driver [2020-10-13 17:32:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_bus_unregister_driver [2020-10-13 17:32:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2020-10-13 17:32:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2020-10-13 17:32:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_video_backlight_support [2020-10-13 17:32:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_register [2020-10-13 17:32:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_device_unregister [2020-10-13 17:32:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_force_update [2020-10-13 17:32:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2020-10-13 17:32:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2020-10-13 17:32:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2020-10-13 17:32:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:32:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:32:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure i8042_command [2020-10-13 17:32:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-13 17:32:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-13 17:32:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-13 17:32:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_complete_2 [2020-10-13 17:32:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_2 [2020-10-13 17:32:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_late_2 [2020-10-13 17:32:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_freeze_noirq_2 [2020-10-13 17:32:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_2 [2020-10-13 17:32:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_late_2 [2020-10-13 17:32:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_poweroff_noirq_2 [2020-10-13 17:32:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_prepare_2 [2020-10-13 17:32:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_early_2 [2020-10-13 17:32:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_restore_noirq_2 [2020-10-13 17:32:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_early_2 [2020-10-13 17:32:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_resume_noirq_2 [2020-10-13 17:32:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_2 [2020-10-13 17:32:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_late_2 [2020-10-13 17:32:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_suspend_noirq_2 [2020-10-13 17:32:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_early_2 [2020-10-13 17:32:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ideapad_pm_thaw_noirq_2 [2020-10-13 17:32:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-13 17:32:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-13 17:32:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 17:32:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-10-13 17:32:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-10-13 17:32:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_del [2020-10-13 17:32:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-10-13 17:32:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-13 17:32:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:32:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_alloc [2020-10-13 17:32:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2020-10-13 17:32:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2020-10-13 17:32:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_register [2020-10-13 17:32:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_set_hw_state [2020-10-13 17:32:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_unregister [2020-10-13 17:32:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-13 17:32:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2020-10-13 17:32:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2020-10-13 17:32:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2020-10-13 17:32:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2020-10-13 17:32:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2020-10-13 17:32:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2020-10-13 17:32:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_report_event [2020-10-13 17:32:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_setup [2020-10-13 17:32:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-13 17:32:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-13 17:32:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:32:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:32:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:32:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 17:32:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-13 17:32:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:32:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-13 17:32:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:32:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 17:32:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-13 17:32:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:32:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 17:32:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 17:32:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-13 17:32:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-13 17:32:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 17:32:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-13 17:32:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-13 17:32:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-13 17:32:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-13 17:32:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-13 17:32:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-13 17:32:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-13 17:32:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-13 17:32:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-13 17:32:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-13 17:32:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-13 17:32:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-13 17:32:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2020-10-13 17:32:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:32:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:32:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:32:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2020-10-13 17:32:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2020-10-13 17:32:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:32:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-13 17:32:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 17:32:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_register_driver [2020-10-13 17:32:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_bus_unregister_driver [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_video_backlight_support [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_alloc [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_register [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_unregister [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_set_hw_state [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-13 17:32:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-10-13 17:32:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-10-13 17:32:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_del [2020-10-13 17:32:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-10-13 17:32:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-13 17:32:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-13 17:32:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-13 17:32:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-13 17:32:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-13 17:32:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_setup [2020-10-13 17:32:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2020-10-13 17:32:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_report_event [2020-10-13 17:32:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2020-10-13 17:32:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-13 17:32:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:32:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_register [2020-10-13 17:32:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_device_unregister [2020-10-13 17:32:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_force_update [2020-10-13 17:32:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-13 17:32:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-13 17:32:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-13 17:32:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2020-10-13 17:32:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2020-10-13 17:32:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2020-10-13 17:32:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2020-10-13 17:32:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2020-10-13 17:32:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure i8042_command [2020-10-13 17:32:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure read_method_int [2020-10-13 17:32:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:32:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:32:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:32:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2020-10-13 17:32:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:32:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2020-10-13 17:32:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2020-10-13 17:32:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2020-10-13 17:32:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_show [2020-10-13 17:32:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_status_open [2020-10-13 17:32:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_show [2020-10-13 17:32:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_cfg_open [2020-10-13 17:32:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_init [2020-10-13 17:32:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2020-10-13 17:32:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_cam [2020-10-13 17:32:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_cam [2020-10-13 17:32:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure show_ideapad_fan [2020-10-13 17:32:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure store_ideapad_fan [2020-10-13 17:32:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_is_visible [2020-10-13 17:32:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_rfk_set [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_register_rfkill [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_init [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_init [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2020-10-13 17:32:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_novokey [2020-10-13 17:32:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_check_special_buttons [2020-10-13 17:32:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2020-10-13 17:32:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2020-10-13 17:32:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2020-10-13 17:32:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:32:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_exit [2020-10-13 17:32:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_power [2020-10-13 17:32:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_notify_brightness [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_remove [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_init [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_driver_exit [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_noirq_2 [2020-10-13 17:32:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_complete_2 [2020-10-13 17:32:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_noirq_2 [2020-10-13 17:32:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_early_2 [2020-10-13 17:32:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_late_2 [2020-10-13 17:32:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_resume_early_2 [2020-10-13 17:32:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_2 [2020-10-13 17:32:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:32:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_noirq_2 [2020-10-13 17:32:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_late_2 [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_prepare_2 [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_late_2 [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_early_2 [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_suspend_2 [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_thaw_noirq_2 [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_poweroff_2 [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_freeze_noirq_2 [2020-10-13 17:32:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ideapad_pm_restore_noirq_2 [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-13 17:32:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:32:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:32:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-13 17:32:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:32:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-13 17:32:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_fb_info [2020-10-13 17:32:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_fb_info [2020-10-13 17:32:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2020-10-13 17:32:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_fb_info [2020-10-13 17:32:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_fb_info [2020-10-13 17:32:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_fb_info [2020-10-13 17:32:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:32:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:32:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:32:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:32:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_backlight_device [2020-10-13 17:32:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_backlight_device [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_backlight_device [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_backlight_device [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_backlight_device [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:32:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:32:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:32:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:32:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:32:34,771 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:32:34,771 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 17:32:34,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:32:34 BoogieIcfgContainer [2020-10-13 17:32:34,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:32:34,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:32:34,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:32:34,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:32:34,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:32:13" (1/3) ... [2020-10-13 17:32:34,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cef7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:32:34, skipping insertion in model container [2020-10-13 17:32:34,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:32:15" (2/3) ... [2020-10-13 17:32:34,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cef7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:32:34, skipping insertion in model container [2020-10-13 17:32:34,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:32:34" (3/3) ... [2020-10-13 17:32:34,796 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2020-10-13 17:32:34,807 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:32:34,816 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:32:34,831 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:32:34,863 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:32:34,863 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:32:34,863 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:32:34,863 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:32:34,863 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:32:34,863 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:32:34,863 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:32:34,864 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:32:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states. [2020-10-13 17:32:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-13 17:32:34,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:32:34,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:32:34,918 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:32:34,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:32:34,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2046961637, now seen corresponding path program 1 times [2020-10-13 17:32:34,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:32:34,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663825557] [2020-10-13 17:32:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:32:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:32:35,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:32:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:32:40,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:32:40,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 17:32:40,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:32:40,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4389 [2020-10-13 17:32:40,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:32:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:32:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 17:32:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 17:32:40,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 17:32:44,257 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-13 17:32:44,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:32:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:32:44,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:32:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:32:44,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:32:44,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:32:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-13 17:32:44,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:32:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:32:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:32:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:32:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:32:44,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:32:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:32:44,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:32:44,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:32:44,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:32:44,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:32:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:32:44,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:32:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:32:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:32:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:32:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:32:44,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 17:32:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:32:44,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:32:44,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:32:44,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:32:44,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:32:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:32:44,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:32:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:32:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 17:32:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:32:44,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:32:44,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:32:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:32:44,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:32:44,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:32:44,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:32:44,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:32:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:32:44,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:32:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:32:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:32:44,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:32:44,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:32:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:32:44,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663825557] [2020-10-13 17:32:44,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:32:44,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:32:44,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429162716] [2020-10-13 17:32:44,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:32:44,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:32:44,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:32:44,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:32:44,960 INFO L87 Difference]: Start difference. First operand 1206 states. Second operand 5 states. [2020-10-13 17:32:51,444 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-13 17:33:27,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:33:27,435 INFO L93 Difference]: Finished difference Result 3106 states and 4227 transitions. [2020-10-13 17:33:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 17:33:27,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-13 17:33:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:33:27,481 INFO L225 Difference]: With dead ends: 3106 [2020-10-13 17:33:27,481 INFO L226 Difference]: Without dead ends: 2101 [2020-10-13 17:33:27,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:33:27,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2020-10-13 17:33:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 1955. [2020-10-13 17:33:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1955 states. [2020-10-13 17:33:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2578 transitions. [2020-10-13 17:33:28,095 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2578 transitions. Word has length 36 [2020-10-13 17:33:28,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:33:28,095 INFO L479 AbstractCegarLoop]: Abstraction has 1955 states and 2578 transitions. [2020-10-13 17:33:28,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:33:28,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2578 transitions. [2020-10-13 17:33:28,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 17:33:28,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:33:28,102 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] [2020-10-13 17:33:28,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:33:28,103 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:33:28,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:33:28,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1963078697, now seen corresponding path program 1 times [2020-10-13 17:33:28,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:33:28,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030047781] [2020-10-13 17:33:28,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:33:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:33:28,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:33:29,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:33:32,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:33:32,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 17:33:32,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:33:32,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3750 [2020-10-13 17:33:32,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:33:32,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:33:32,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 17:33:32,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:33:32,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:33:35,894 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-13 17:33:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:33:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:33:35,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:33:36,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:33:36,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:33:36,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:33:36,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-10-13 17:33:36,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:33:36,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:33:36,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:33:36,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:33:36,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:33:36,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:33:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:33:36,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:33:36,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:33:36,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:33:36,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:33:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:33:36,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:33:36,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:33:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:33:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:33:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:33:36,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 17:33:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:33:36,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:33:36,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:33:36,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:33:36,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:33:36,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:33:36,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:33:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:33:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:33:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:33:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:33:36,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:33:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:33:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:33:36,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:33:36,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:33:36,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:33:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:33:36,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:33:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:33:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:33:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:33:36,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:33:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:33:36,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030047781] [2020-10-13 17:33:36,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:33:36,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:33:36,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081512348] [2020-10-13 17:33:36,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:33:36,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:33:36,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:33:36,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:33:36,593 INFO L87 Difference]: Start difference. First operand 1955 states and 2578 transitions. Second operand 5 states. [2020-10-13 17:33:49,537 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-13 17:34:22,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:34:22,262 INFO L93 Difference]: Finished difference Result 3160 states and 4184 transitions. [2020-10-13 17:34:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 17:34:22,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-13 17:34:22,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:34:22,286 INFO L225 Difference]: With dead ends: 3160 [2020-10-13 17:34:22,286 INFO L226 Difference]: Without dead ends: 3147 [2020-10-13 17:34:22,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:34:22,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2020-10-13 17:34:22,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 1955. [2020-10-13 17:34:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1955 states. [2020-10-13 17:34:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2577 transitions. [2020-10-13 17:34:22,867 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2577 transitions. Word has length 41 [2020-10-13 17:34:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:34:22,868 INFO L479 AbstractCegarLoop]: Abstraction has 1955 states and 2577 transitions. [2020-10-13 17:34:22,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:34:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2577 transitions. [2020-10-13 17:34:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 17:34:22,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:34:22,871 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] [2020-10-13 17:34:22,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:34:22,872 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:34:22,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:34:22,872 INFO L82 PathProgramCache]: Analyzing trace with hash 2020336999, now seen corresponding path program 1 times [2020-10-13 17:34:22,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:34:22,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170152548] [2020-10-13 17:34:22,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:34:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:34:23,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:34:25,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:34:25,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 17:34:25,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:34:25,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2291 [2020-10-13 17:34:25,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:34:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:34:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:34:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 17:34:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:34:29,303 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-13 17:34:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:34:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:34:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:34:29,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:34:29,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:34:29,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:34:29,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-13 17:34:29,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:34:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:34:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:34:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:34:29,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:34:29,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:34:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:34:29,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:34:29,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:34:29,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:34:29,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:34:29,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:34:29,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:34:29,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:34:29,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:34:29,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:34:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:34:29,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 17:34:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:34:29,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:34:29,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:34:29,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:34:29,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:34:29,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:34:29,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:34:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:34:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:34:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:34:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:34:29,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:34:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:34:29,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:34:29,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:34:29,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:34:29,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:34:29,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:34:29,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:34:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:34:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:34:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:34:29,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:34:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:34:29,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170152548] [2020-10-13 17:34:29,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:34:29,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:34:29,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054980937] [2020-10-13 17:34:29,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:34:29,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:34:29,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:34:29,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:34:29,872 INFO L87 Difference]: Start difference. First operand 1955 states and 2577 transitions. Second operand 5 states. [2020-10-13 17:34:36,245 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-13 17:34:57,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:34:57,961 INFO L93 Difference]: Finished difference Result 2099 states and 2778 transitions. [2020-10-13 17:34:57,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 17:34:57,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-13 17:34:57,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:34:57,974 INFO L225 Difference]: With dead ends: 2099 [2020-10-13 17:34:57,974 INFO L226 Difference]: Without dead ends: 2096 [2020-10-13 17:34:57,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:34:57,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2020-10-13 17:34:58,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 1954. [2020-10-13 17:34:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2020-10-13 17:34:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2575 transitions. [2020-10-13 17:34:58,637 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2575 transitions. Word has length 41 [2020-10-13 17:34:58,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:34:58,638 INFO L479 AbstractCegarLoop]: Abstraction has 1954 states and 2575 transitions. [2020-10-13 17:34:58,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:34:58,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2575 transitions. [2020-10-13 17:34:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-13 17:34:58,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:34:58,652 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] [2020-10-13 17:34:58,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 17:34:58,653 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:34:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:34:58,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1794687290, now seen corresponding path program 1 times [2020-10-13 17:34:58,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:34:58,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594691673] [2020-10-13 17:34:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:34:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:34:58,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:00,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:00,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 17:35:00,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1965 [2020-10-13 17:35:00,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:35:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:35:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 17:35:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:35:04,737 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-13 17:35:04,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:35:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:04,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:05,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:05,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:35:05,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:05,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-13 17:35:05,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:35:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:35:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:35:05,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:35:05,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:35:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:05,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:05,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:05,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:35:05,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:35:05,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:35:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:35:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:35:05,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:35:05,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 17:35:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:05,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:05,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:05,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:35:05,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:05,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:35:05,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:05,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:35:05,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:35:05,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:35:05,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:35:05,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:35:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:05,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:05,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:05,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:35:05,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:05,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:35:05,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:35:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:35:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:35:05,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:35:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:35:05,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594691673] [2020-10-13 17:35:05,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:35:05,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:35:05,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376205259] [2020-10-13 17:35:05,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:35:05,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:35:05,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:35:05,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:35:05,242 INFO L87 Difference]: Start difference. First operand 1954 states and 2575 transitions. Second operand 5 states. [2020-10-13 17:35:11,558 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-13 17:35:30,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:35:30,539 INFO L93 Difference]: Finished difference Result 2098 states and 2776 transitions. [2020-10-13 17:35:30,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 17:35:30,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-10-13 17:35:30,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:35:30,553 INFO L225 Difference]: With dead ends: 2098 [2020-10-13 17:35:30,553 INFO L226 Difference]: Without dead ends: 2095 [2020-10-13 17:35:30,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:35:30,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2020-10-13 17:35:31,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 1953. [2020-10-13 17:35:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2020-10-13 17:35:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2573 transitions. [2020-10-13 17:35:31,019 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2573 transitions. Word has length 42 [2020-10-13 17:35:31,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:35:31,020 INFO L479 AbstractCegarLoop]: Abstraction has 1953 states and 2573 transitions. [2020-10-13 17:35:31,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:35:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2573 transitions. [2020-10-13 17:35:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-13 17:35:31,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:35:31,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:35:31,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 17:35:31,023 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:35:31,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:35:31,023 INFO L82 PathProgramCache]: Analyzing trace with hash 198648906, now seen corresponding path program 1 times [2020-10-13 17:35:31,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:35:31,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942533003] [2020-10-13 17:35:31,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:35:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:31,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:32,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:32,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 17:35:32,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:32,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1383 [2020-10-13 17:35:32,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:35:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:35:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 17:35:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:35:36,624 WARN L193 SmtUtils]: Spent 3.96 s on a formula simplification that was a NOOP. DAG size: 820 [2020-10-13 17:35:36,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:35:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:36,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:36,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:36,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:35:36,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:36,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-13 17:35:36,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:36,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:35:36,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:35:36,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:35:36,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:35:36,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:35:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:37,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:37,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:37,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:35:37,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:37,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:35:37,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:35:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:35:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:35:37,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:35:37,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 17:35:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:37,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:37,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:37,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:35:37,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:37,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:35:37,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:35:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:35:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:35:37,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:35:37,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:35:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:35:37,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:35:37,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:35:37,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:35:37,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:35:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:35:37,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:35:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:35:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:35:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:35:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:35:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:35:37,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942533003] [2020-10-13 17:35:37,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:35:37,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:35:37,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494744987] [2020-10-13 17:35:37,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:35:37,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:35:37,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:35:37,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:35:37,078 INFO L87 Difference]: Start difference. First operand 1953 states and 2573 transitions. Second operand 5 states. [2020-10-13 17:35:43,495 WARN L193 SmtUtils]: Spent 3.96 s on a formula simplification that was a NOOP. DAG size: 822 [2020-10-13 17:36:03,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:36:03,395 INFO L93 Difference]: Finished difference Result 2097 states and 2774 transitions. [2020-10-13 17:36:03,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 17:36:03,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-10-13 17:36:03,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:36:03,406 INFO L225 Difference]: With dead ends: 2097 [2020-10-13 17:36:03,407 INFO L226 Difference]: Without dead ends: 2094 [2020-10-13 17:36:03,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:36:03,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2020-10-13 17:36:04,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1952. [2020-10-13 17:36:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-13 17:36:04,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2571 transitions. [2020-10-13 17:36:04,051 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2571 transitions. Word has length 43 [2020-10-13 17:36:04,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:36:04,051 INFO L479 AbstractCegarLoop]: Abstraction has 1952 states and 2571 transitions. [2020-10-13 17:36:04,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:36:04,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2571 transitions. [2020-10-13 17:36:04,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-13 17:36:04,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:36:04,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:36:04,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 17:36:04,054 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:36:04,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:36:04,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1862533705, now seen corresponding path program 1 times [2020-10-13 17:36:04,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:36:04,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898866046] [2020-10-13 17:36:04,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:36:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:36:04,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking...