/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--gadget--pch_udc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 00:57:53,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 00:57:53,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 00:57:53,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 00:57:53,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 00:57:53,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 00:57:53,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 00:57:53,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 00:57:53,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 00:57:53,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 00:57:53,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 00:57:53,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 00:57:53,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 00:57:53,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 00:57:53,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 00:57:53,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 00:57:53,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 00:57:53,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 00:57:53,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 00:57:53,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 00:57:53,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 00:57:53,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 00:57:53,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 00:57:53,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 00:57:53,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 00:57:53,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 00:57:53,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 00:57:53,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 00:57:53,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 00:57:53,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 00:57:53,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 00:57:53,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 00:57:53,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 00:57:53,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 00:57:53,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 00:57:53,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 00:57:53,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 00:57:53,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 00:57:53,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 00:57:53,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 00:57:53,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 00:57:53,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 00:57:53,855 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 00:57:53,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 00:57:53,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 00:57:53,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 00:57:53,857 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 00:57:53,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 00:57:53,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 00:57:53,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 00:57:53,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 00:57:53,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 00:57:53,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 00:57:53,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 00:57:53,859 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 00:57:53,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 00:57:53,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 00:57:53,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 00:57:53,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 00:57:53,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 00:57:53,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 00:57:53,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 00:57:53,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 00:57:53,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 00:57:53,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 00:57:53,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 00:57:53,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 00:57:53,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 00:57:53,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 00:57:53,863 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 00:57:54,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 00:57:54,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 00:57:54,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 00:57:54,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 00:57:54,201 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 00:57:54,202 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--gadget--pch_udc.ko-entry_point.cil.out.i [2020-10-13 00:57:54,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bee19340/e6c2be5ab07040cbb998890d1b52d8b4/FLAGa4f83119a [2020-10-13 00:57:55,022 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 00:57:55,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--gadget--pch_udc.ko-entry_point.cil.out.i [2020-10-13 00:57:55,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bee19340/e6c2be5ab07040cbb998890d1b52d8b4/FLAGa4f83119a [2020-10-13 00:57:55,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bee19340/e6c2be5ab07040cbb998890d1b52d8b4 [2020-10-13 00:57:55,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 00:57:55,131 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 00:57:55,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 00:57:55,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 00:57:55,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 00:57:55,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:57:55" (1/1) ... [2020-10-13 00:57:55,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7455d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:55, skipping insertion in model container [2020-10-13 00:57:55,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:57:55" (1/1) ... [2020-10-13 00:57:55,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 00:57:55,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 00:57:55,719 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1713] [2020-10-13 00:57:55,720 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1714-1715] [2020-10-13 00:57:57,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 00:57:57,178 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 00:57:57,234 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1713] [2020-10-13 00:57:57,234 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1714-1715] [2020-10-13 00:57:57,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 00:57:58,019 INFO L208 MainTranslator]: Completed translation [2020-10-13 00:57:58,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58 WrapperNode [2020-10-13 00:57:58,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 00:57:58,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 00:57:58,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 00:57:58,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 00:57:58,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (1/1) ... [2020-10-13 00:57:58,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (1/1) ... [2020-10-13 00:57:58,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (1/1) ... [2020-10-13 00:57:58,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (1/1) ... [2020-10-13 00:57:58,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (1/1) ... [2020-10-13 00:57:58,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (1/1) ... [2020-10-13 00:57:58,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (1/1) ... [2020-10-13 00:57:58,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 00:57:58,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 00:57:58,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 00:57:58,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 00:57:58,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 00:57:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 00:57:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 00:57:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-10-13 00:57:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-10-13 00:57:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 00:57:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 00:57:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 00:57:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 00:57:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 00:57:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-13 00:57:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 00:57:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2020-10-13 00:57:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2020-10-13 00:57:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 00:57:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-13 00:57:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-13 00:57:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-13 00:57:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 00:57:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-13 00:57:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2020-10-13 00:57:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 00:57:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 00:57:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 00:57:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 00:57:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 00:57:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 00:57:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 00:57:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 00:57:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 00:57:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 00:57:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 00:57:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2020-10-13 00:57:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-10-13 00:57:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-10-13 00:57:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-13 00:57:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-10-13 00:57:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-10-13 00:57:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-13 00:57:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-13 00:57:58,601 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-13 00:57:58,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-13 00:57:58,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2020-10-13 00:57:58,602 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2020-10-13 00:57:58,602 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2020-10-13 00:57:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_get_value [2020-10-13 00:57:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2020-10-13 00:57:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_get_value [2020-10-13 00:57:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2020-10-13 00:57:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_readl [2020-10-13 00:57:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_writel [2020-10-13 00:57:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_set [2020-10-13 00:57:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_clr [2020-10-13 00:57:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_readl [2020-10-13 00:57:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_writel [2020-10-13 00:57:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_set [2020-10-13 00:57:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_clr [2020-10-13 00:57:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_csr_busy [2020-10-13 00:57:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_csr [2020-10-13 00:57:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_csr [2020-10-13 00:57:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_rmt_wakeup [2020-10-13 00:57:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_get_frame [2020-10-13 00:57:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_selfpowered [2020-10-13 00:57:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_selfpowered [2020-10-13 00:57:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_disconnect [2020-10-13 00:57:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_disconnect [2020-10-13 00:57:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_reconnect [2020-10-13 00:57:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_vbus_session [2020-10-13 00:57:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_stall [2020-10-13 00:57:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_stall [2020-10-13 00:57:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_trfr_type [2020-10-13 00:57:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_bufsz [2020-10-13 00:57:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_maxpkt [2020-10-13 00:57:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_subptr [2020-10-13 00:57:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_ddptr [2020-10-13 00:57:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_pd [2020-10-13 00:57:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_rrdy [2020-10-13 00:57:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_rrdy [2020-10-13 00:57:58,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_dma [2020-10-13 00:57:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_dma [2020-10-13 00:57:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_csr_done [2020-10-13 00:57:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_interrupts [2020-10-13 00:57:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_interrupts [2020-10-13 00:57:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_ep_interrupts [2020-10-13 00:57:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_ep_interrupts [2020-10-13 00:57:58,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_device_interrupts [2020-10-13 00:57:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_device_interrupts [2020-10-13 00:57:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_interrupts [2020-10-13 00:57:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_ep_interrupts [2020-10-13 00:57:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_device_status [2020-10-13 00:57:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_control [2020-10-13 00:57:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_control [2020-10-13 00:57:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_status [2020-10-13 00:57:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_status [2020-10-13 00:57:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_nak [2020-10-13 00:57:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_nak [2020-10-13 00:57:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_fifo_flush [2020-10-13 00:57:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_enable [2020-10-13 00:57:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_disable [2020-10-13 00:57:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_wait_ep_stall [2020-10-13 00:57:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init [2020-10-13 00:57:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_exit [2020-10-13 00:57:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_get_frame [2020-10-13 00:57:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_wakeup [2020-10-13 00:57:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_selfpowered [2020-10-13 00:57:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_pullup [2020-10-13 00:57:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_vbus_session [2020-10-13 00:57:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_vbus_draw [2020-10-13 00:57:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_get_value [2020-10-13 00:57:58,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_work_fall [2020-10-13 00:57:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_work_rise [2020-10-13 00:57:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_irq [2020-10-13 00:57:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_init [2020-10-13 00:57:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_free [2020-10-13 00:57:58,615 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_req [2020-10-13 00:57:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_req_queue [2020-10-13 00:57:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_free_dma_chain [2020-10-13 00:57:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_create_dma_chain [2020-10-13 00:57:58,616 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_dma [2020-10-13 00:57:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure process_zlp [2020-10-13 00:57:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_rxrequest [2020-10-13 00:57:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_enable [2020-10-13 00:57:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_disable [2020-10-13 00:57:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_alloc_request [2020-10-13 00:57:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_free_request [2020-10-13 00:57:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_queue [2020-10-13 00:57:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_dequeue [2020-10-13 00:57:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_set_halt [2020-10-13 00:57:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_set_wedge [2020-10-13 00:57:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_fifo_flush [2020-10-13 00:57:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init_setup_buff [2020-10-13 00:57:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_next_txrequest [2020-10-13 00:57:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_complete_transfer [2020-10-13 00:57:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_complete_receiver [2020-10-13 00:57:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_data_in [2020-10-13 00:57:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_data_out [2020-10-13 00:57:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_control_in [2020-10-13 00:57:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_control_out [2020-10-13 00:57:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_postsvc_epinters [2020-10-13 00:57:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_all_epstatus [2020-10-13 00:57:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_activate_control_ep [2020-10-13 00:57:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_ur_interrupt [2020-10-13 00:57:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_enum_interrupt [2020-10-13 00:57:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_intf_interrupt [2020-10-13 00:57:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_cfg_interrupt [2020-10-13 00:57:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_dev_isr [2020-10-13 00:57:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_isr [2020-10-13 00:57:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_setup_ep0 [2020-10-13 00:57:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_release [2020-10-13 00:57:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_reinit [2020-10-13 00:57:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_init [2020-10-13 00:57:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_pools [2020-10-13 00:57:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start [2020-10-13 00:57:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_stop [2020-10-13 00:57:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_shutdown [2020-10-13 00:57:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_remove [2020-10-13 00:57:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_suspend [2020-10-13 00:57:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_resume [2020-10-13 00:57:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_probe [2020-10-13 00:57:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_driver_init [2020-10-13 00:57:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_driver_exit [2020-10-13 00:57:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_5 [2020-10-13 00:57:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2020-10-13 00:57:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2020-10-13 00:57:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_4 [2020-10-13 00:57:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2020-10-13 00:57:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-13 00:57:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_3 [2020-10-13 00:57:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-13 00:57:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-13 00:57:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-13 00:57:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2020-10-13 00:57:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-13 00:57:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2020-10-13 00:57:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 00:57:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 00:57:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 00:57:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 00:57:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 00:57:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_20 [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_21 [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_22 [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_23 [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_24 [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_25 [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_26 [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_27 [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-13 00:57:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 00:57:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-13 00:57:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-13 00:57:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-13 00:57:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-13 00:57:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-13 00:57:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-13 00:57:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-13 00:57:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 00:57:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-13 00:57:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2020-10-13 00:57:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-13 00:57:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-13 00:57:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 00:57:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-13 00:57:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-13 00:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 00:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 00:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 00:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-10-13 00:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-10-13 00:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 00:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2020-10-13 00:57:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_get_raw_value [2020-10-13 00:57:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2020-10-13 00:57:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2020-10-13 00:57:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-13 00:57:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-13 00:57:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2020-10-13 00:57:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_type [2020-10-13 00:57:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-13 00:57:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 00:57:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-13 00:57:58,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-13 00:57:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_set_mwi [2020-10-13 00:57:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-13 00:57:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 00:57:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-13 00:57:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-13 00:57:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_gadget_udc_release [2020-10-13 00:57:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_del_gadget_udc [2020-10-13 00:57:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 00:57:58,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 00:57:58,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 00:57:58,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 00:57:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 00:57:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 00:57:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-13 00:57:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-13 00:57:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 00:57:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-13 00:57:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 00:57:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 00:57:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 00:57:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 00:57:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 00:57:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-13 00:57:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-13 00:57:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 00:57:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-13 00:57:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 00:57:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2020-10-13 00:57:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2020-10-13 00:57:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 00:57:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 00:57:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 00:57:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 00:57:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 00:57:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 00:57:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-13 00:57:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 00:57:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-13 00:57:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 00:57:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-13 00:57:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 00:57:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-13 00:57:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-13 00:57:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-13 00:57:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-13 00:57:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 00:57:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-13 00:57:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2020-10-13 00:57:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-13 00:57:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-13 00:57:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-13 00:57:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-13 00:57:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 00:57:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 00:57:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_5 [2020-10-13 00:57:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2020-10-13 00:57:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2020-10-13 00:57:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_4 [2020-10-13 00:57:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2020-10-13 00:57:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-13 00:57:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_3 [2020-10-13 00:57:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-13 00:57:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-13 00:57:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-13 00:57:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-13 00:57:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_set_mwi [2020-10-13 00:57:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-13 00:57:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-13 00:57:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-13 00:57:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-13 00:57:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2020-10-13 00:57:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2020-10-13 00:57:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-13 00:57:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-13 00:57:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2020-10-13 00:57:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2020-10-13 00:57:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2020-10-13 00:57:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_22 [2020-10-13 00:57:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_23 [2020-10-13 00:57:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_24 [2020-10-13 00:57:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_25 [2020-10-13 00:57:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-10-13 00:57:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-10-13 00:57:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-13 00:57:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-13 00:57:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-13 00:57:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_type [2020-10-13 00:57:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-13 00:57:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-13 00:57:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_20 [2020-10-13 00:57:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_27 [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_21 [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_26 [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc_release [2020-10-13 00:57:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2020-10-13 00:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2020-10-13 00:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_get_raw_value [2020-10-13 00:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2020-10-13 00:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2020-10-13 00:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2020-10-13 00:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request [2020-10-13 00:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2020-10-13 00:57:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2020-10-13 00:57:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_get_value [2020-10-13 00:57:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2020-10-13 00:57:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_get_value [2020-10-13 00:57:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2020-10-13 00:57:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 00:57:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_readl [2020-10-13 00:57:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_writel [2020-10-13 00:57:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_set [2020-10-13 00:57:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_clr [2020-10-13 00:57:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_readl [2020-10-13 00:57:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_writel [2020-10-13 00:57:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_set [2020-10-13 00:57:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_clr [2020-10-13 00:57:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_csr_busy [2020-10-13 00:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_csr [2020-10-13 00:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_csr [2020-10-13 00:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_rmt_wakeup [2020-10-13 00:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_get_frame [2020-10-13 00:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_selfpowered [2020-10-13 00:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_selfpowered [2020-10-13 00:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_disconnect [2020-10-13 00:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_disconnect [2020-10-13 00:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init [2020-10-13 00:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_reconnect [2020-10-13 00:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_vbus_session [2020-10-13 00:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 00:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_stall [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_stall [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_trfr_type [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_bufsz [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_maxpkt [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_subptr [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_ddptr [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_pd [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_rrdy [2020-10-13 00:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_rrdy [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_dma [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_dma [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_csr_done [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_interrupts [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_interrupts [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_ep_interrupts [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_ep_interrupts [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_device_interrupts [2020-10-13 00:57:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_device_interrupts [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_interrupts [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_ep_interrupts [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_device_status [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_control [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_control [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_status [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_status [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_nak [2020-10-13 00:57:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_nak [2020-10-13 00:57:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_fifo_flush [2020-10-13 00:57:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_enable [2020-10-13 00:57:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_disable [2020-10-13 00:57:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_wait_ep_stall [2020-10-13 00:57:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_exit [2020-10-13 00:57:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_get_frame [2020-10-13 00:57:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_wakeup [2020-10-13 00:57:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_selfpowered [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_pullup [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_vbus_session [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_vbus_draw [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_stop [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_get_value [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_work_fall [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 00:57:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_work_rise [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_irq [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_init [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_free [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure complete_req [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure empty_req_queue [2020-10-13 00:57:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_free_dma_chain [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_create_dma_chain [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_dma [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure process_zlp [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_rxrequest [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_enable [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_disable [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_alloc_request [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_free_request [2020-10-13 00:57:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_queue [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_dequeue [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_set_halt [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_set_wedge [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_fifo_flush [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init_setup_buff [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_next_txrequest [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_complete_transfer [2020-10-13 00:57:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_complete_receiver [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_data_in [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_data_out [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_control_in [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_control_out [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_postsvc_epinters [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_all_epstatus [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_activate_control_ep [2020-10-13 00:57:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_ur_interrupt [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_enum_interrupt [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_intf_interrupt [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_cfg_interrupt [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_dev_isr [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_isr [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_setup_ep0 [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_release [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_reinit [2020-10-13 00:57:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_init [2020-10-13 00:57:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_pools [2020-10-13 00:57:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_shutdown [2020-10-13 00:57:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_remove [2020-10-13 00:57:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_suspend [2020-10-13 00:57:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_resume [2020-10-13 00:57:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_probe [2020-10-13 00:57:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_driver_init [2020-10-13 00:57:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_driver_exit [2020-10-13 00:57:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 00:57:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 00:57:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 00:57:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-13 00:57:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 00:57:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-13 00:57:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-13 00:57:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 00:57:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 00:57:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 00:57:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 00:57:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 00:57:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 00:57:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 00:57:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 00:57:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 00:57:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 00:57:59,911 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 00:58:10,680 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 00:58:10,680 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 00:58:10,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:10 BoogieIcfgContainer [2020-10-13 00:58:10,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 00:58:10,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 00:58:10,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 00:58:10,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 00:58:10,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:57:55" (1/3) ... [2020-10-13 00:58:10,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9c2f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:58:10, skipping insertion in model container [2020-10-13 00:58:10,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:57:58" (2/3) ... [2020-10-13 00:58:10,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9c2f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:58:10, skipping insertion in model container [2020-10-13 00:58:10,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:10" (3/3) ... [2020-10-13 00:58:10,701 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--gadget--pch_udc.ko-entry_point.cil.out.i [2020-10-13 00:58:10,712 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 00:58:10,722 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 00:58:10,735 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 00:58:10,763 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 00:58:10,764 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 00:58:10,764 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 00:58:10,764 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 00:58:10,764 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 00:58:10,764 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 00:58:10,764 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 00:58:10,765 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 00:58:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states. [2020-10-13 00:58:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 00:58:10,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:58:10,833 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 00:58:10,833 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:58:10,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:58:10,839 INFO L82 PathProgramCache]: Analyzing trace with hash -266927007, now seen corresponding path program 1 times [2020-10-13 00:58:10,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:58:10,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924538859] [2020-10-13 00:58:10,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:58:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:58:11,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:12,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:12,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:17,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:58:17,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 00:58:17,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 00:58:17,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5913 [2020-10-13 00:58:17,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:58:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:58:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 00:58:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 00:58:17,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 00:58:23,661 WARN L193 SmtUtils]: Spent 5.88 s on a formula simplification that was a NOOP. DAG size: 1081 [2020-10-13 00:58:23,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:58:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:58:23,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:24,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:58:24,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:58:24,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:58:24,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-10-13 00:58:24,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:58:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:58:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:58:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:58:24,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:58:24,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:58:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:58:24,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:24,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:58:24,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:58:24,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:58:24,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:58:24,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:58:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:58:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:58:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:58:24,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:58:24,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 00:58:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:58:25,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:25,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:58:25,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:58:25,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:58:25,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 00:58:25,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:58:25,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:58:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:58:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:58:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:58:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 00:58:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:58:25,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:25,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:58:25,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 00:58:25,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:58:25,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:58:25,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:58:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:58:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:58:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:58:25,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:58:25,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 00:58:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:58:25,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:25,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:58:25,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:58:25,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:58:25,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 00:58:25,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:58:25,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:58:25,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:58:25,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:58:25,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:58:25,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 00:58:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:58:25,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:25,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:25,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:58:25,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:58:25,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:58:25,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 00:58:25,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:58:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:58:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:58:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:58:25,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:58:25,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 00:58:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:58:25,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:25,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:58:25,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:58:25,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:58:25,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:58:25,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 00:58:25,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:58:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:58:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:58:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:58:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:58:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 00:58:25,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924538859] [2020-10-13 00:58:25,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 00:58:25,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 00:58:25,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414568190] [2020-10-13 00:58:25,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 00:58:25,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:58:25,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 00:58:25,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 00:58:25,363 INFO L87 Difference]: Start difference. First operand 2245 states. Second operand 7 states. [2020-10-13 00:58:31,245 WARN L193 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 1090 [2020-10-13 00:58:47,801 WARN L193 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 1093 [2020-10-13 00:58:53,809 WARN L193 SmtUtils]: Spent 5.91 s on a formula simplification that was a NOOP. DAG size: 1095 [2020-10-13 01:00:22,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 01:00:22,287 INFO L93 Difference]: Finished difference Result 4852 states and 6814 transitions. [2020-10-13 01:00:22,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 01:00:22,296 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2020-10-13 01:00:22,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 01:00:22,352 INFO L225 Difference]: With dead ends: 4852 [2020-10-13 01:00:22,353 INFO L226 Difference]: Without dead ends: 2598 [2020-10-13 01:00:22,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-13 01:00:22,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2020-10-13 01:00:23,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2185. [2020-10-13 01:00:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2020-10-13 01:00:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2971 transitions. [2020-10-13 01:00:23,522 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2971 transitions. Word has length 56 [2020-10-13 01:00:23,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 01:00:23,522 INFO L479 AbstractCegarLoop]: Abstraction has 2185 states and 2971 transitions. [2020-10-13 01:00:23,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 01:00:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2971 transitions. [2020-10-13 01:00:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 01:00:23,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:00:23,528 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 01:00:23,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 01:00:23,528 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:00:23,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:00:23,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1316389869, now seen corresponding path program 1 times [2020-10-13 01:00:23,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:00:23,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757462583] [2020-10-13 01:00:23,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:00:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:00:23,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:24,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:24,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:24,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:29,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:00:29,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 01:00:29,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 01:00:29,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5710 [2020-10-13 01:00:29,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:00:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 01:00:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 01:00:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 01:00:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:00:35,443 WARN L193 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 1081 [2020-10-13 01:00:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 01:00:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:00:35,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:00:36,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:00:36,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:00:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-13 01:00:36,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:00:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:00:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:00:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:00:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:00:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 01:00:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:00:36,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:00:36,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 01:00:36,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:00:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 01:00:36,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:00:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:00:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:00:36,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:00:36,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:00:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 01:00:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:00:36,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:00:36,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 01:00:36,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:00:36,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 01:00:36,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:00:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:00:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:00:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:00:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:00:36,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 01:00:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:00:36,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:00:36,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 01:00:36,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:00:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 01:00:36,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:00:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:00:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:00:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:00:36,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:00:36,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 01:00:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:00:36,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:00:36,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 01:00:36,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 01:00:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 01:00:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:00:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 01:00:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 01:00:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 01:00:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:00:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 01:00:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:00:36,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:00:36,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 01:00:36,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:00:36,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-13 01:00:36,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:00:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 01:00:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 01:00:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 01:00:36,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:00:36,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 01:00:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:00:36,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:00:36,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:00:36,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 01:00:36,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 01:00:36,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 01:00:36,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:00:36,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 01:00:36,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 01:00:36,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 01:00:36,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:00:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 01:00:36,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757462583] [2020-10-13 01:00:36,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 01:00:36,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 01:00:36,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833157601] [2020-10-13 01:00:36,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 01:00:36,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 01:00:36,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 01:00:36,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 01:00:36,756 INFO L87 Difference]: Start difference. First operand 2185 states and 2971 transitions. Second operand 8 states. [2020-10-13 01:00:42,853 WARN L193 SmtUtils]: Spent 6.05 s on a formula simplification that was a NOOP. DAG size: 1090 [2020-10-13 01:00:52,215 WARN L193 SmtUtils]: Spent 6.07 s on a formula simplification that was a NOOP. DAG size: 1093 [2020-10-13 01:00:58,239 WARN L193 SmtUtils]: Spent 5.95 s on a formula simplification that was a NOOP. DAG size: 1084 [2020-10-13 01:01:04,180 WARN L193 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 1086