/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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--mfd--sm501.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 11:56:17,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 11:56:17,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 11:56:17,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 11:56:17,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 11:56:17,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 11:56:17,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 11:56:17,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 11:56:17,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 11:56:17,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 11:56:17,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 11:56:17,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 11:56:17,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 11:56:17,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 11:56:17,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 11:56:17,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 11:56:17,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 11:56:17,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 11:56:17,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 11:56:17,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 11:56:17,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 11:56:17,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 11:56:17,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 11:56:17,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 11:56:17,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 11:56:17,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 11:56:17,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 11:56:17,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 11:56:17,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 11:56:17,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 11:56:17,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 11:56:17,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 11:56:17,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 11:56:17,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 11:56:17,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 11:56:17,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 11:56:17,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 11:56:17,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 11:56:17,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 11:56:17,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 11:56:17,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 11:56:17,127 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 [2020-10-14 11:56:17,155 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 11:56:17,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 11:56:17,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 11:56:17,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 11:56:17,157 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 11:56:17,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 11:56:17,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 11:56:17,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 11:56:17,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 11:56:17,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 11:56:17,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 11:56:17,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 11:56:17,159 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 11:56:17,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 11:56:17,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 11:56:17,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 11:56:17,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 11:56:17,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 11:56:17,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:56:17,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 11:56:17,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 11:56:17,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 11:56:17,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 11:56:17,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 11:56:17,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 11:56:17,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 11:56:17,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 11:56:17,161 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 11:56:17,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 11:56:17,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 11:56:17,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 11:56:17,455 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 11:56:17,456 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 11:56:17,456 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2020-10-14 11:56:17,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f481abd9d/9dd3e4e660654bd6bcc27b2aa07cf007/FLAG2b7fb4159 [2020-10-14 11:56:18,345 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 11:56:18,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2020-10-14 11:56:18,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f481abd9d/9dd3e4e660654bd6bcc27b2aa07cf007/FLAG2b7fb4159 [2020-10-14 11:56:18,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f481abd9d/9dd3e4e660654bd6bcc27b2aa07cf007 [2020-10-14 11:56:18,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 11:56:18,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 11:56:18,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 11:56:18,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 11:56:18,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 11:56:18,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:56:18" (1/1) ... [2020-10-14 11:56:18,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211df91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:18, skipping insertion in model container [2020-10-14 11:56:18,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:56:18" (1/1) ... [2020-10-14 11:56:18,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 11:56:19,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 11:56:20,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:56:20,734 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 11:56:21,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:56:21,441 INFO L208 MainTranslator]: Completed translation [2020-10-14 11:56:21,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21 WrapperNode [2020-10-14 11:56:21,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 11:56:21,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 11:56:21,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 11:56:21,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 11:56:21,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 11:56:21,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 11:56:21,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 11:56:21,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 11:56:21,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (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 [2020-10-14 11:56:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 11:56:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 11:56:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-14 11:56:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-14 11:56:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 11:56:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 11:56:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 11:56:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 11:56:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-10-14 11:56:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-14 11:56:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-10-14 11:56:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-14 11:56:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-10-14 11:56:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-14 11:56:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 11:56:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 11:56:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 11:56:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 11:56:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 11:56:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 11:56:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-14 11:56:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-14 11:56:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dump_gate [2020-10-14 11:56:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_sync_regs [2020-10-14 11:56:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_mdelay [2020-10-14 11:56:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_misc_control [2020-10-14 11:56:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_modify_reg [2020-10-14 11:56:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_unit_power [2020-10-14 11:56:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_clock [2020-10-14 11:56:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_pll [2020-10-14 11:56:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_select_clock [2020-10-14 11:56:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_clock [2020-10-14 11:56:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_find_clock [2020-10-14 11:56:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm_device [2020-10-14 11:56:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_device_release [2020-10-14 11:56:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subdev [2020-10-14 11:56:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_device [2020-10-14 11:56:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subio [2020-10-14 11:56:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_mem [2020-10-14 11:56:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_irq [2020-10-14 11:56:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_usbhost [2020-10-14 11:56:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_setup_uart_data [2020-10-14 11:56:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_uart [2020-10-14 11:56:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_display [2020-10-14 11:56:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm501_gpio [2020-10-14 11:56:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_to_dev [2020-10-14 11:56:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_get [2020-10-14 11:56:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_ensure_gpio [2020-10-14 11:56:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_set [2020-10-14 11:56:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_input [2020-10-14 11:56:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_output [2020-10-14 11:56:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_register_chip [2020-10-14 11:56:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio [2020-10-14 11:56:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_remove [2020-10-14 11:56:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_pin2nr [2020-10-14 11:56:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_isregistered [2020-10-14 11:56:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c_instance [2020-10-14 11:56:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c [2020-10-14 11:56:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dbg_regs [2020-10-14 11:56:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_reg [2020-10-14 11:56:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_regs [2020-10-14 11:56:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_check_clocks [2020-10-14 11:56:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_dev [2020-10-14 11:56:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_probe [2020-10-14 11:56:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_power [2020-10-14 11:56:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_suspend [2020-10-14 11:56:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_resume [2020-10-14 11:56:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_probe [2020-10-14 11:56:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_remove_sub [2020-10-14 11:56:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dev_remove [2020-10-14 11:56:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_remove [2020-10-14 11:56:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_remove [2020-10-14 11:56:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_init [2020-10-14 11:56:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_exit [2020-10-14 11:56:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 11:56:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-14 11:56:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-14 11:56:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-14 11:56:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-14 11:56:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-14 11:56:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-14 11:56:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-14 11:56:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-14 11:56:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-14 11:56:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-14 11:56:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-14 11:56:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2020-10-14 11:56:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_register_13 [2020-10-14 11:56:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_14 [2020-10-14 11:56:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 11:56:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 11:56:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 11:56:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:56:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:56:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-14 11:56:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-14 11:56:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:56:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-14 11:56:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-14 11:56:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:56:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:56:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:56:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:56:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:56:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:56:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:56:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 11:56:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 11:56:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-14 11:56:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-14 11:56:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 11:56:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-14 11:56:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-14 11:56:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 11:56:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-14 11:56:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-14 11:56:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 11:56:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:56:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 11:56:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 11:56:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 11:56:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2020-10-14 11:56:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-10-14 11:56:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_add [2020-10-14 11:56:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_remove [2020-10-14 11:56:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-14 11:56:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-14 11:56:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 11:56:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-14 11:56:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 11:56:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-14 11:56:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 11:56:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-14 11:56:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-14 11:56:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2020-10-14 11:56:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-14 11:56:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2020-10-14 11:56:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-14 11:56:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-10-14 11:56:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-14 11:56:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-10-14 11:56:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-10-14 11:56:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 11:56:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-10-14 11:56:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 11:56:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 11:56:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 11:56:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 11:56:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-14 11:56:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 11:56:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 11:56:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 11:56:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 11:56:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 11:56:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 11:56:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 11:56:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-14 11:56:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-14 11:56:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-14 11:56:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 11:56:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-14 11:56:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-14 11:56:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-14 11:56:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-14 11:56:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-14 11:56:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2020-10-14 11:56:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 11:56:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-14 11:56:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-14 11:56:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-14 11:56:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-14 11:56:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-14 11:56:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-14 11:56:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-14 11:56:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:56:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:56:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:56:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 11:56:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 11:56:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 11:56:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:56:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 11:56:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 11:56:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-10-14 11:56:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-10-14 11:56:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 11:56:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-14 11:56:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-14 11:56:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-14 11:56:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-14 11:56:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-14 11:56:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-14 11:56:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-14 11:56:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-14 11:56:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2020-10-14 11:56:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-10-14 11:56:21,914 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 11:56:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 11:56:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 11:56:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-14 11:56:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2020-10-14 11:56:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-14 11:56:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-10-14 11:56:21,915 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-10-14 11:56:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-10-14 11:56:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_register_13 [2020-10-14 11:56:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-14 11:56:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_14 [2020-10-14 11:56:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-10-14 11:56:21,916 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-14 11:56:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-14 11:56:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-14 11:56:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-14 11:56:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-14 11:56:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 11:56:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 11:56:21,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 11:56:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 11:56:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 11:56:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 11:56:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 11:56:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 11:56:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 11:56:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 11:56:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 11:56:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-14 11:56:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-14 11:56:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2020-10-14 11:56:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_unit_power [2020-10-14 11:56:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_clock [2020-10-14 11:56:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_find_clock [2020-10-14 11:56:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_misc_control [2020-10-14 11:56:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_modify_reg [2020-10-14 11:56:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_add [2020-10-14 11:56:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_remove [2020-10-14 11:56:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dump_gate [2020-10-14 11:56:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_sync_regs [2020-10-14 11:56:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_mdelay [2020-10-14 11:56:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 11:56:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 11:56:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 11:56:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_clock [2020-10-14 11:56:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_pll [2020-10-14 11:56:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_select_clock [2020-10-14 11:56:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm_device [2020-10-14 11:56:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_device_release [2020-10-14 11:56:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subdev [2020-10-14 11:56:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_device [2020-10-14 11:56:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subio [2020-10-14 11:56:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_mem [2020-10-14 11:56:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_irq [2020-10-14 11:56:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_usbhost [2020-10-14 11:56:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_setup_uart_data [2020-10-14 11:56:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_uart [2020-10-14 11:56:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_display [2020-10-14 11:56:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm501_gpio [2020-10-14 11:56:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_to_dev [2020-10-14 11:56:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_get [2020-10-14 11:56:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_ensure_gpio [2020-10-14 11:56:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_set [2020-10-14 11:56:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_input [2020-10-14 11:56:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_output [2020-10-14 11:56:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_register_chip [2020-10-14 11:56:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio [2020-10-14 11:56:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_remove [2020-10-14 11:56:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_pin2nr [2020-10-14 11:56:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_isregistered [2020-10-14 11:56:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c_instance [2020-10-14 11:56:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c [2020-10-14 11:56:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dbg_regs [2020-10-14 11:56:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_reg [2020-10-14 11:56:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_regs [2020-10-14 11:56:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_check_clocks [2020-10-14 11:56:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_dev [2020-10-14 11:56:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_probe [2020-10-14 11:56:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_power [2020-10-14 11:56:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-14 11:56:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-14 11:56:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_suspend [2020-10-14 11:56:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_resume [2020-10-14 11:56:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_probe [2020-10-14 11:56:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_remove_sub [2020-10-14 11:56:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dev_remove [2020-10-14 11:56:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_remove [2020-10-14 11:56:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_remove [2020-10-14 11:56:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_init [2020-10-14 11:56:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_exit [2020-10-14 11:56:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 11:56:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 11:56:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 11:56:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 11:56:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 11:56:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2020-10-14 11:56:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 11:56:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:56:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:56:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-14 11:56:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:56:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-14 11:56:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:56:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:56:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:56:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:56:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 11:56:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 11:56:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 11:56:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 11:56:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 11:56:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 11:56:31,917 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 11:56:31,918 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 11:56:31,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:56:31 BoogieIcfgContainer [2020-10-14 11:56:31,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 11:56:31,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 11:56:31,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 11:56:31,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 11:56:31,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:56:18" (1/3) ... [2020-10-14 11:56:31,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b0da55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:56:31, skipping insertion in model container [2020-10-14 11:56:31,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (2/3) ... [2020-10-14 11:56:31,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b0da55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:56:31, skipping insertion in model container [2020-10-14 11:56:31,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:56:31" (3/3) ... [2020-10-14 11:56:31,940 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2020-10-14 11:56:31,951 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 11:56:31,961 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 11:56:31,976 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 11:56:32,004 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 11:56:32,005 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 11:56:32,005 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 11:56:32,005 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 11:56:32,005 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 11:56:32,005 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 11:56:32,005 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 11:56:32,006 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 11:56:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states. [2020-10-14 11:56:32,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-14 11:56:32,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:56:32,083 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:56:32,083 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:56:32,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:56:32,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1584391125, now seen corresponding path program 1 times [2020-10-14 11:56:32,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:56:32,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822979221] [2020-10-14 11:56:32,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:56:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:33,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:39,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:39,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 11:56:39,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:39,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6255 [2020-10-14 11:56:39,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:39,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:56:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 11:56:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 11:56:39,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 11:56:42,256 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 865 [2020-10-14 11:56:42,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:56:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:42,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:44,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:44,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:44,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:44,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2143 [2020-10-14 11:56:44,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:44,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:44,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:44,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:44,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:44,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:56:44,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:56:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:44,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:44,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:44,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:56:44,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:44,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:44,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:44,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:56:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:44,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:44,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:44,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 11:56:44,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 11:56:44,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:44,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 11:56:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:44,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:56:44,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:56:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:44,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:44,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:44,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:56:44,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:44,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 11:56:44,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:44,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:56:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:44,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:44,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:44,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:44,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:44,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:56:44,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:44,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:44,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:44,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:56:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:44,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:44,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:44,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:44,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:56:44,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:44,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:44,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:56:44,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822979221] [2020-10-14 11:56:44,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:56:44,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:56:44,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524149590] [2020-10-14 11:56:44,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:56:44,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:56:44,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:56:44,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:56:44,796 INFO L87 Difference]: Start difference. First operand 1273 states. Second operand 6 states. [2020-10-14 11:56:50,533 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 867 [2020-10-14 11:57:50,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:57:50,862 INFO L93 Difference]: Finished difference Result 3963 states and 5599 transitions. [2020-10-14 11:57:50,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 11:57:50,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-14 11:57:50,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:57:50,914 INFO L225 Difference]: With dead ends: 3963 [2020-10-14 11:57:50,914 INFO L226 Difference]: Without dead ends: 2823 [2020-10-14 11:57:50,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 11:57:50,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2020-10-14 11:57:51,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2196. [2020-10-14 11:57:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2196 states. [2020-10-14 11:57:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 2901 transitions. [2020-10-14 11:57:51,731 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 2901 transitions. Word has length 39 [2020-10-14 11:57:51,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:57:51,732 INFO L479 AbstractCegarLoop]: Abstraction has 2196 states and 2901 transitions. [2020-10-14 11:57:51,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 11:57:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2901 transitions. [2020-10-14 11:57:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-14 11:57:51,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:57:51,737 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, 1] [2020-10-14 11:57:51,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 11:57:51,738 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:57:51,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:57:51,738 INFO L82 PathProgramCache]: Analyzing trace with hash 32176370, now seen corresponding path program 1 times [2020-10-14 11:57:51,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:57:51,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6743758] [2020-10-14 11:57:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:57:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:52,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:58,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:58,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 11:57:58,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6862 [2020-10-14 11:57:58,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:58,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 11:57:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:57:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:02,007 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 865 [2020-10-14 11:58:02,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:02,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:05,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:05,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:05,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3843 [2020-10-14 11:58:05,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:05,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:05,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:05,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:06,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 11:58:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 11:58:06,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:06,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:58:06,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:58:06,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:06,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:58:06,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:06,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 11:58:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:06,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:06,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:06,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:06,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:06,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:58:06,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:06,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:06,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:06,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:06,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:06,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:58:06,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6743758] [2020-10-14 11:58:06,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:58:06,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:58:06,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063446825] [2020-10-14 11:58:06,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:58:06,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:58:06,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:58:06,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:58:06,212 INFO L87 Difference]: Start difference. First operand 2196 states and 2901 transitions. Second operand 6 states. [2020-10-14 11:58:15,544 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 867 [2020-10-14 11:59:22,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:59:22,670 INFO L93 Difference]: Finished difference Result 4234 states and 5826 transitions. [2020-10-14 11:59:22,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 11:59:22,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-10-14 11:59:22,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:59:22,699 INFO L225 Difference]: With dead ends: 4234 [2020-10-14 11:59:22,699 INFO L226 Difference]: Without dead ends: 4223 [2020-10-14 11:59:22,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 11:59:22,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4223 states. [2020-10-14 11:59:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4223 to 2196. [2020-10-14 11:59:23,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2196 states. [2020-10-14 11:59:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 2900 transitions. [2020-10-14 11:59:23,736 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 2900 transitions. Word has length 45 [2020-10-14 11:59:23,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:59:23,737 INFO L479 AbstractCegarLoop]: Abstraction has 2196 states and 2900 transitions. [2020-10-14 11:59:23,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 11:59:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2900 transitions. [2020-10-14 11:59:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-14 11:59:23,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:59:23,745 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, 1] [2020-10-14 11:59:23,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 11:59:23,745 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:59:23,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:59:23,746 INFO L82 PathProgramCache]: Analyzing trace with hash 89434672, now seen corresponding path program 1 times [2020-10-14 11:59:23,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:59:23,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187975977] [2020-10-14 11:59:23,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:59:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:24,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:29,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:29,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 11:59:29,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5730 [2020-10-14 11:59:29,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:29,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:59:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 11:59:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:32,611 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 865 [2020-10-14 11:59:32,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:32,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:34,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:34,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:34,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1838 [2020-10-14 11:59:34,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:34,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:34,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:34,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:34,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:34,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:34,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:59:34,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:34,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:34,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:34,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:34,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:59:34,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:34,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 11:59:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:34,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:34,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:34,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 11:59:34,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:34,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 11:59:34,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:34,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 11:59:34,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:34,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:34,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:34,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:34,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:59:34,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:34,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:59:34,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:34,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:34,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:34,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:34,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:34,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:34,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:34,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:34,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:34,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:34,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:59:34,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:34,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:34,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 11:59:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:34,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:34,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:34,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:34,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:34,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:34,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:34,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:59:34,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187975977] [2020-10-14 11:59:34,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:59:34,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:59:34,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602828288] [2020-10-14 11:59:34,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:59:34,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:59:34,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:59:34,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:59:34,739 INFO L87 Difference]: Start difference. First operand 2196 states and 2900 transitions. Second operand 6 states. [2020-10-14 11:59:40,710 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 867