/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-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 19:39:39,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 19:39:39,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 19:39:39,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 19:39:39,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 19:39:39,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 19:39:39,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 19:39:39,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 19:39:39,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 19:39:39,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 19:39:39,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 19:39:39,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 19:39:39,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 19:39:39,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 19:39:39,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 19:39:39,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 19:39:39,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 19:39:39,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 19:39:39,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 19:39:39,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 19:39:39,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 19:39:39,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 19:39:39,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 19:39:39,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 19:39:39,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 19:39:39,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 19:39:39,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 19:39:39,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 19:39:39,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 19:39:39,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 19:39:39,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 19:39:39,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 19:39:39,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 19:39:39,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 19:39:39,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 19:39:39,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 19:39:39,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 19:39:39,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 19:39:39,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 19:39:39,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 19:39:39,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 19:39:39,968 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 19:39:40,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 19:39:40,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 19:39:40,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 19:39:40,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 19:39:40,021 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 19:39:40,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 19:39:40,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 19:39:40,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 19:39:40,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 19:39:40,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 19:39:40,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 19:39:40,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 19:39:40,024 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 19:39:40,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 19:39:40,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 19:39:40,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 19:39:40,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 19:39:40,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 19:39:40,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 19:39:40,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 19:39:40,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 19:39:40,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 19:39:40,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 19:39:40,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 19:39:40,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 19:39:40,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 19:39:40,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 19:39:40,027 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 19:39:40,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 19:39:40,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 19:39:40,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 19:39:40,382 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 19:39:40,382 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 19:39:40,384 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--gadget--pch_udc.ko-entry_point.cil.out.i [2020-10-13 19:39:40,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/801ee5926/8c63a76c1a354dbb8890460ebcd25e3b/FLAGdabbfa566 [2020-10-13 19:39:41,362 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 19:39:41,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--gadget--pch_udc.ko-entry_point.cil.out.i [2020-10-13 19:39:41,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/801ee5926/8c63a76c1a354dbb8890460ebcd25e3b/FLAGdabbfa566 [2020-10-13 19:39:41,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/801ee5926/8c63a76c1a354dbb8890460ebcd25e3b [2020-10-13 19:39:41,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 19:39:41,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 19:39:41,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 19:39:41,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 19:39:41,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 19:39:41,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:41" (1/1) ... [2020-10-13 19:39:41,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d6227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:41, skipping insertion in model container [2020-10-13 19:39:41,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:41" (1/1) ... [2020-10-13 19:39:41,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 19:39:42,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 19:39:42,519 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 19:39:42,520 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 19:39:44,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:39:44,261 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 19:39:44,338 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 19:39:44,339 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 19:39:44,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:39:45,360 INFO L208 MainTranslator]: Completed translation [2020-10-13 19:39:45,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45 WrapperNode [2020-10-13 19:39:45,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 19:39:45,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 19:39:45,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 19:39:45,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 19:39:45,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (1/1) ... [2020-10-13 19:39:45,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (1/1) ... [2020-10-13 19:39:45,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (1/1) ... [2020-10-13 19:39:45,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (1/1) ... [2020-10-13 19:39:45,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (1/1) ... [2020-10-13 19:39:45,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (1/1) ... [2020-10-13 19:39:45,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (1/1) ... [2020-10-13 19:39:45,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 19:39:45,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 19:39:45,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 19:39:45,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 19:39:45,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (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 19:39:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 19:39:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 19:39:45,801 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 19:39:45,802 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 19:39:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 19:39:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 19:39:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 19:39:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 19:39:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 19:39:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-13 19:39:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 19:39:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2020-10-13 19:39:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2020-10-13 19:39:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 19:39:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-13 19:39:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-13 19:39:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-13 19:39:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 19:39:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-13 19:39:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2020-10-13 19:39:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 19:39:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 19:39:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 19:39:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 19:39:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 19:39:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 19:39:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 19:39:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 19:39:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 19:39:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 19:39:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 19:39:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2020-10-13 19:39:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-10-13 19:39:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-10-13 19:39:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-13 19:39:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-10-13 19:39:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-10-13 19:39:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-13 19:39:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-13 19:39:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-13 19:39:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-13 19:39:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2020-10-13 19:39:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2020-10-13 19:39:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2020-10-13 19:39:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_get_value [2020-10-13 19:39:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2020-10-13 19:39:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_get_value [2020-10-13 19:39:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2020-10-13 19:39:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_readl [2020-10-13 19:39:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_writel [2020-10-13 19:39:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_set [2020-10-13 19:39:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_clr [2020-10-13 19:39:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_readl [2020-10-13 19:39:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_writel [2020-10-13 19:39:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_set [2020-10-13 19:39:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_clr [2020-10-13 19:39:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_csr_busy [2020-10-13 19:39:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_csr [2020-10-13 19:39:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_csr [2020-10-13 19:39:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_rmt_wakeup [2020-10-13 19:39:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_get_frame [2020-10-13 19:39:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_selfpowered [2020-10-13 19:39:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_selfpowered [2020-10-13 19:39:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_disconnect [2020-10-13 19:39:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_disconnect [2020-10-13 19:39:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_reconnect [2020-10-13 19:39:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_vbus_session [2020-10-13 19:39:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_stall [2020-10-13 19:39:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_stall [2020-10-13 19:39:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_trfr_type [2020-10-13 19:39:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_bufsz [2020-10-13 19:39:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_maxpkt [2020-10-13 19:39:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_subptr [2020-10-13 19:39:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_ddptr [2020-10-13 19:39:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_pd [2020-10-13 19:39:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_rrdy [2020-10-13 19:39:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_rrdy [2020-10-13 19:39:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_dma [2020-10-13 19:39:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_dma [2020-10-13 19:39:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_csr_done [2020-10-13 19:39:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_interrupts [2020-10-13 19:39:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_interrupts [2020-10-13 19:39:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_ep_interrupts [2020-10-13 19:39:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_ep_interrupts [2020-10-13 19:39:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_device_interrupts [2020-10-13 19:39:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_device_interrupts [2020-10-13 19:39:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_interrupts [2020-10-13 19:39:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_ep_interrupts [2020-10-13 19:39:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_device_status [2020-10-13 19:39:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_control [2020-10-13 19:39:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_control [2020-10-13 19:39:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_status [2020-10-13 19:39:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_status [2020-10-13 19:39:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_nak [2020-10-13 19:39:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_nak [2020-10-13 19:39:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_fifo_flush [2020-10-13 19:39:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_enable [2020-10-13 19:39:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_disable [2020-10-13 19:39:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_wait_ep_stall [2020-10-13 19:39:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init [2020-10-13 19:39:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_exit [2020-10-13 19:39:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_get_frame [2020-10-13 19:39:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_wakeup [2020-10-13 19:39:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_selfpowered [2020-10-13 19:39:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_pullup [2020-10-13 19:39:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_vbus_session [2020-10-13 19:39:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_vbus_draw [2020-10-13 19:39:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_get_value [2020-10-13 19:39:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_work_fall [2020-10-13 19:39:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_work_rise [2020-10-13 19:39:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_irq [2020-10-13 19:39:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_init [2020-10-13 19:39:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_free [2020-10-13 19:39:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_req [2020-10-13 19:39:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_req_queue [2020-10-13 19:39:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_free_dma_chain [2020-10-13 19:39:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_create_dma_chain [2020-10-13 19:39:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_dma [2020-10-13 19:39:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure process_zlp [2020-10-13 19:39:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_rxrequest [2020-10-13 19:39:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_enable [2020-10-13 19:39:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_disable [2020-10-13 19:39:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_alloc_request [2020-10-13 19:39:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_free_request [2020-10-13 19:39:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_queue [2020-10-13 19:39:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_dequeue [2020-10-13 19:39:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_set_halt [2020-10-13 19:39:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_set_wedge [2020-10-13 19:39:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_fifo_flush [2020-10-13 19:39:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init_setup_buff [2020-10-13 19:39:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_next_txrequest [2020-10-13 19:39:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_complete_transfer [2020-10-13 19:39:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_complete_receiver [2020-10-13 19:39:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_data_in [2020-10-13 19:39:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_data_out [2020-10-13 19:39:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_control_in [2020-10-13 19:39:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_control_out [2020-10-13 19:39:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_postsvc_epinters [2020-10-13 19:39:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_all_epstatus [2020-10-13 19:39:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_activate_control_ep [2020-10-13 19:39:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_ur_interrupt [2020-10-13 19:39:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_enum_interrupt [2020-10-13 19:39:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_intf_interrupt [2020-10-13 19:39:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_cfg_interrupt [2020-10-13 19:39:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_dev_isr [2020-10-13 19:39:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_isr [2020-10-13 19:39:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_setup_ep0 [2020-10-13 19:39:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_release [2020-10-13 19:39:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_reinit [2020-10-13 19:39:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_init [2020-10-13 19:39:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_pools [2020-10-13 19:39:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start [2020-10-13 19:39:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_stop [2020-10-13 19:39:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_shutdown [2020-10-13 19:39:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_remove [2020-10-13 19:39:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_suspend [2020-10-13 19:39:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_resume [2020-10-13 19:39:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_probe [2020-10-13 19:39:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_driver_init [2020-10-13 19:39:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_driver_exit [2020-10-13 19:39:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_5 [2020-10-13 19:39:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2020-10-13 19:39:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2020-10-13 19:39:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_4 [2020-10-13 19:39:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2020-10-13 19:39:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-13 19:39:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_3 [2020-10-13 19:39:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-13 19:39:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-13 19:39:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-13 19:39:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2020-10-13 19:39:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-13 19:39:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2020-10-13 19:39:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 19:39:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 19:39:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 19:39:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 19:39:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 19:39:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_20 [2020-10-13 19:39:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_21 [2020-10-13 19:39:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_22 [2020-10-13 19:39:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_23 [2020-10-13 19:39:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_24 [2020-10-13 19:39:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_25 [2020-10-13 19:39:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_26 [2020-10-13 19:39:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_27 [2020-10-13 19:39:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-13 19:39:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 19:39:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-13 19:39:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-13 19:39:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-13 19:39:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-13 19:39:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-13 19:39:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-13 19:39:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-13 19:39:45,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 19:39:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-13 19:39:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2020-10-13 19:39:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-13 19:39:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-13 19:39:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 19:39:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-13 19:39:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-13 19:39:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 19:39:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 19:39:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 19:39:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-10-13 19:39:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-10-13 19:39:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 19:39:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2020-10-13 19:39:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2020-10-13 19:39:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2020-10-13 19:39:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2020-10-13 19:39:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-13 19:39:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2020-10-13 19:39:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request [2020-10-13 19:39:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2020-10-13 19:39:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2020-10-13 19:39:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_get_raw_value [2020-10-13 19:39:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2020-10-13 19:39:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2020-10-13 19:39:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-13 19:39:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-13 19:39:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2020-10-13 19:39:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_type [2020-10-13 19:39:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-13 19:39:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 19:39:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 19:39:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-13 19:39:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 19:39:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-13 19:39:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-13 19:39:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-13 19:39:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-13 19:39:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-13 19:39:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-13 19:39:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-13 19:39:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_set_mwi [2020-10-13 19:39:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-13 19:39:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 19:39:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-13 19:39:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-13 19:39:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_gadget_udc_release [2020-10-13 19:39:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_del_gadget_udc [2020-10-13 19:39:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 19:39:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 19:39:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 19:39:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 19:39:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 19:39:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 19:39:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-13 19:39:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-13 19:39:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 19:39:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-13 19:39:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 19:39:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 19:39:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 19:39:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 19:39:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 19:39:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-13 19:39:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-13 19:39:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 19:39:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-13 19:39:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 19:39:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2020-10-13 19:39:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2020-10-13 19:39:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 19:39:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 19:39:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 19:39:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 19:39:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 19:39:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 19:39:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-13 19:39:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 19:39:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-13 19:39:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 19:39:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-13 19:39:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 19:39:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-13 19:39:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-13 19:39:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-13 19:39:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-13 19:39:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 19:39:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-13 19:39:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2020-10-13 19:39:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-13 19:39:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-13 19:39:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-13 19:39:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-13 19:39:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 19:39:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-13 19:39:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 19:39:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-13 19:39:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 19:39:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 19:39:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 19:39:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 19:39:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 19:39:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 19:39:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 19:39:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 19:39:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_5 [2020-10-13 19:39:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_4 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_3 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-13 19:39:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-13 19:39:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_set_mwi [2020-10-13 19:39:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-13 19:39:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-13 19:39:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-13 19:39:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-13 19:39:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2020-10-13 19:39:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2020-10-13 19:39:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-13 19:39:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_22 [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_23 [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_24 [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_25 [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2020-10-13 19:39:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-10-13 19:39:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-10-13 19:39:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-10-13 19:39:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-10-13 19:39:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-13 19:39:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-10-13 19:39:45,877 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 19:39:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-10-13 19:39:45,877 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 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-13 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-13 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-13 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_type [2020-10-13 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-13 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-13 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_20 [2020-10-13 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_27 [2020-10-13 19:39:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-13 19:39:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_21 [2020-10-13 19:39:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_26 [2020-10-13 19:39:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-13 19:39:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 19:39:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2020-10-13 19:39:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 19:39:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc_release [2020-10-13 19:39:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2020-10-13 19:39:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2020-10-13 19:39:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_get_raw_value [2020-10-13 19:39:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2020-10-13 19:39:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2020-10-13 19:39:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2020-10-13 19:39:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request [2020-10-13 19:39:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2020-10-13 19:39:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2020-10-13 19:39:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_get_value [2020-10-13 19:39:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2020-10-13 19:39:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_get_value [2020-10-13 19:39:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2020-10-13 19:39:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 19:39:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_readl [2020-10-13 19:39:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_writel [2020-10-13 19:39:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_set [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_clr [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_readl [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_writel [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_set [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_clr [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_csr_busy [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_csr [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_csr [2020-10-13 19:39:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_rmt_wakeup [2020-10-13 19:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_get_frame [2020-10-13 19:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_selfpowered [2020-10-13 19:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_selfpowered [2020-10-13 19:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_disconnect [2020-10-13 19:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_disconnect [2020-10-13 19:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init [2020-10-13 19:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_reconnect [2020-10-13 19:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_vbus_session [2020-10-13 19:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 19:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_stall [2020-10-13 19:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_stall [2020-10-13 19:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_trfr_type [2020-10-13 19:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_bufsz [2020-10-13 19:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_maxpkt [2020-10-13 19:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_subptr [2020-10-13 19:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_ddptr [2020-10-13 19:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_pd [2020-10-13 19:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_rrdy [2020-10-13 19:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_rrdy [2020-10-13 19:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_dma [2020-10-13 19:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_dma [2020-10-13 19:39:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_csr_done [2020-10-13 19:39:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_interrupts [2020-10-13 19:39:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_interrupts [2020-10-13 19:39:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_ep_interrupts [2020-10-13 19:39:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_ep_interrupts [2020-10-13 19:39:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_device_interrupts [2020-10-13 19:39:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_device_interrupts [2020-10-13 19:39:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_interrupts [2020-10-13 19:39:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_ep_interrupts [2020-10-13 19:39:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_device_status [2020-10-13 19:39:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_control [2020-10-13 19:39:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_control [2020-10-13 19:39:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_status [2020-10-13 19:39:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_status [2020-10-13 19:39:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_nak [2020-10-13 19:39:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_nak [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_fifo_flush [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_enable [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_disable [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_wait_ep_stall [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_exit [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_get_frame [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_wakeup [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_selfpowered [2020-10-13 19:39:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_pullup [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_vbus_session [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_vbus_draw [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_stop [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_get_value [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_work_fall [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_work_rise [2020-10-13 19:39:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_irq [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_init [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_free [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure complete_req [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure empty_req_queue [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_free_dma_chain [2020-10-13 19:39:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_create_dma_chain [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_dma [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure process_zlp [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_rxrequest [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_enable [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_disable [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_alloc_request [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_free_request [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_queue [2020-10-13 19:39:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_dequeue [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_set_halt [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_set_wedge [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_fifo_flush [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init_setup_buff [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_next_txrequest [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_complete_transfer [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_complete_receiver [2020-10-13 19:39:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_data_in [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_data_out [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_control_in [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_control_out [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_postsvc_epinters [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_all_epstatus [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_activate_control_ep [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_ur_interrupt [2020-10-13 19:39:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_enum_interrupt [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_intf_interrupt [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_cfg_interrupt [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_dev_isr [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_isr [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_setup_ep0 [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_release [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_reinit [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_init [2020-10-13 19:39:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_pools [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_shutdown [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_remove [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_suspend [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_resume [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_probe [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_driver_init [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_driver_exit [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 19:39:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 19:39:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 19:39:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 19:39:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 19:39:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 19:39:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 19:39:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 19:39:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 19:39:47,480 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 19:39:58,282 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 19:39:58,282 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 19:39:58,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:58 BoogieIcfgContainer [2020-10-13 19:39:58,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 19:39:58,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 19:39:58,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 19:39:58,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 19:39:58,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:41" (1/3) ... [2020-10-13 19:39:58,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b81b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:58, skipping insertion in model container [2020-10-13 19:39:58,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:45" (2/3) ... [2020-10-13 19:39:58,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b81b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:58, skipping insertion in model container [2020-10-13 19:39:58,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:58" (3/3) ... [2020-10-13 19:39:58,306 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 19:39:58,320 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 19:39:58,330 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 19:39:58,349 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 19:39:58,392 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 19:39:58,392 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 19:39:58,392 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 19:39:58,393 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 19:39:58,393 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 19:39:58,393 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 19:39:58,393 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 19:39:58,393 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 19:39:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states. [2020-10-13 19:39:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 19:39:58,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:39:58,481 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 19:39:58,481 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:39:58,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:39:58,491 INFO L82 PathProgramCache]: Analyzing trace with hash -266927007, now seen corresponding path program 1 times [2020-10-13 19:39:58,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:39:58,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1697621607] [2020-10-13 19:39:58,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:39:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:39:59,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:00,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:01,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:01,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:04,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:40:04,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 19:40:04,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:40:04,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5268 [2020-10-13 19:40:04,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:40:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:40:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 19:40:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:40:04,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 19:40:09,720 WARN L193 SmtUtils]: Spent 4.67 s on a formula simplification that was a NOOP. DAG size: 1081 [2020-10-13 19:40:09,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:40:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:40:09,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:40:10,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:40:10,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:40:10,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-13 19:40:10,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:40:10,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:40:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:40:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:40:10,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:40:10,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:40:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:40:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:40:10,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:40:10,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:40:10,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:40:10,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:40:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:40:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:40:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:40:10,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:40:10,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:40:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:40:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:40:10,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:40:10,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:40:10,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:40:10,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:40:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:40:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:40:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:40:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:40:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:40:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:40:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:40:10,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:40:10,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:40:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:40:10,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:40:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:40:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:40:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:40:10,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:40:10,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 19:40:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:40:10,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:40:10,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:40:10,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:40:10,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:40:10,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:40:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:40:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:40:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:40:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:40:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 19:40:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:40:10,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:40:10,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:40:10,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:40:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 19:40:10,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:40:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:40:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 19:40:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:40:10,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:40:10,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 19:40:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:40:10,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:40:10,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:40:11,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:40:11,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:40:11,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 19:40:11,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:40:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:40:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 19:40:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:40:11,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:40:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 19:40:11,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1697621607] [2020-10-13 19:40:11,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:40:11,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 19:40:11,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075229320] [2020-10-13 19:40:11,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 19:40:11,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:40:11,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 19:40:11,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 19:40:11,133 INFO L87 Difference]: Start difference. First operand 2245 states. Second operand 7 states. [2020-10-13 19:40:15,799 WARN L193 SmtUtils]: Spent 4.56 s on a formula simplification that was a NOOP. DAG size: 1090 [2020-10-13 19:40:23,387 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 1093 [2020-10-13 19:40:27,996 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 1095 [2020-10-13 19:41:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:41:45,277 INFO L93 Difference]: Finished difference Result 4852 states and 6814 transitions. [2020-10-13 19:41:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 19:41:45,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2020-10-13 19:41:45,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:41:45,325 INFO L225 Difference]: With dead ends: 4852 [2020-10-13 19:41:45,325 INFO L226 Difference]: Without dead ends: 2598 [2020-10-13 19:41:45,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-13 19:41:45,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2020-10-13 19:41:46,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2185. [2020-10-13 19:41:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2020-10-13 19:41:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2971 transitions. [2020-10-13 19:41:46,538 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2971 transitions. Word has length 56 [2020-10-13 19:41:46,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:41:46,539 INFO L479 AbstractCegarLoop]: Abstraction has 2185 states and 2971 transitions. [2020-10-13 19:41:46,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 19:41:46,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2971 transitions. [2020-10-13 19:41:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 19:41:46,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:41:46,544 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 19:41:46,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 19:41:46,545 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:41:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:41:46,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1316389869, now seen corresponding path program 1 times [2020-10-13 19:41:46,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:41:46,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1266868395] [2020-10-13 19:41:46,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:41:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:41:46,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:47,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:47,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:47,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:52,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:41:52,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 19:41:52,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:41:52,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5377 [2020-10-13 19:41:52,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:41:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:41:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 19:41:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:41:52,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:41:56,850 WARN L193 SmtUtils]: Spent 4.49 s on a formula simplification that was a NOOP. DAG size: 1081 [2020-10-13 19:41:56,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:41:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:41:56,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:57,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:41:57,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:41:57,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:41:57,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 790 [2020-10-13 19:41:57,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:41:57,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:41:57,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:41:57,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:41:57,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:41:57,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:41:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:41:57,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:57,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:41:57,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:41:57,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:41:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:41:57,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:41:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:41:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:41:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:41:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:41:57,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:41:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:41:57,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:57,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:41:57,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:41:57,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:41:57,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:41:57,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:41:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:41:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:41:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:41:57,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:41:57,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:41:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:41:57,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:57,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:41:57,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:41:57,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:41:57,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:41:57,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:41:57,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:41:57,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:41:57,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:41:57,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:41:57,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 19:41:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:41:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:57,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:57,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:41:57,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 19:41:57,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:41:57,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 19:41:57,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:41:57,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:41:57,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:41:57,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:41:57,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:41:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 19:41:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:41:58,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:58,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:58,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:41:58,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 19:41:58,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:41:58,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 19:41:58,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:41:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:41:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:41:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:41:58,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:41:58,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 19:41:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:41:58,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:58,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:41:58,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:41:58,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 19:41:58,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:41:58,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 19:41:58,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:41:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:41:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:41:58,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:41:58,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:41:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 19:41:58,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1266868395] [2020-10-13 19:41:58,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:41:58,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 19:41:58,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706631390] [2020-10-13 19:41:58,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 19:41:58,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:41:58,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 19:41:58,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 19:41:58,148 INFO L87 Difference]: Start difference. First operand 2185 states and 2971 transitions. Second operand 6 states. [2020-10-13 19:42:02,692 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 1090 [2020-10-13 19:42:10,628 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification that was a NOOP. DAG size: 1092 [2020-10-13 19:42:16,372 WARN L193 SmtUtils]: Spent 4.69 s on a formula simplification that was a NOOP. DAG size: 1083