/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:38:23,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:38:23,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:38:23,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:38:23,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:38:23,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:38:23,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:38:23,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:38:23,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:38:23,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:38:23,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:38:23,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:38:23,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:38:23,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:38:23,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:38:23,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:38:23,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:38:23,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:38:23,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:38:23,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:38:23,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:38:23,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:38:23,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:38:23,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:38:23,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:38:23,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:38:23,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:38:23,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:38:23,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:38:23,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:38:23,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:38:23,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:38:23,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:38:23,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:38:23,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:38:23,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:38:23,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:38:23,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:38:23,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:38:23,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:38:23,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:38:23,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 17:38:23,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:38:23,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:38:23,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:38:23,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:38:23,562 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:38:23,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:38:23,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:38:23,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:38:23,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:38:23,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:38:23,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:38:23,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:38:23,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:38:23,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:38:23,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:38:23,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:38:23,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:38:23,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:38:23,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:38:23,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:38:23,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:38:23,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:38:23,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:38:23,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:38:23,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:38:23,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:38:23,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:38:23,568 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:38:23,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:38:23,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:38:23,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:38:23,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:38:23,866 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:38:23,867 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2020-10-13 17:38:23,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12a7812e5/de14fe1424e546e9af6b94edaef706b3/FLAG489a0e862 [2020-10-13 17:38:24,761 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:38:24,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2020-10-13 17:38:24,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12a7812e5/de14fe1424e546e9af6b94edaef706b3/FLAG489a0e862 [2020-10-13 17:38:25,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12a7812e5/de14fe1424e546e9af6b94edaef706b3 [2020-10-13 17:38:25,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:38:25,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:38:25,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:38:25,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:38:25,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:38:25,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:38:25" (1/1) ... [2020-10-13 17:38:25,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d2791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:25, skipping insertion in model container [2020-10-13 17:38:25,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:38:25" (1/1) ... [2020-10-13 17:38:25,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:38:25,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:38:27,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:38:28,011 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:38:28,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:38:28,811 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:38:28,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28 WrapperNode [2020-10-13 17:38:28,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:38:28,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:38:28,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:38:28,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:38:28,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (1/1) ... [2020-10-13 17:38:28,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (1/1) ... [2020-10-13 17:38:28,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (1/1) ... [2020-10-13 17:38:28,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (1/1) ... [2020-10-13 17:38:29,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (1/1) ... [2020-10-13 17:38:29,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (1/1) ... [2020-10-13 17:38:29,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (1/1) ... [2020-10-13 17:38:29,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:38:29,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:38:29,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:38:29,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:38:29,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:38:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:38:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:38:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-13 17:38:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-13 17:38:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-13 17:38:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 17:38:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-13 17:38:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:38:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 17:38:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 17:38:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-13 17:38:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-13 17:38:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-13 17:38:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 17:38:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 17:38:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-13 17:38:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-13 17:38:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 17:38:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 17:38:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 17:38:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 17:38:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:38:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:38:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:38:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:38:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-13 17:38:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-13 17:38:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-13 17:38:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-13 17:38:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-13 17:38:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-13 17:38:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-13 17:38:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-13 17:38:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-13 17:38:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 17:38:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 17:38:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 17:38:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-13 17:38:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-13 17:38:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 17:38:29,211 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-13 17:38:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-13 17:38:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-13 17:38:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2020-10-13 17:38:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2020-10-13 17:38:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2020-10-13 17:38:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2020-10-13 17:38:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2020-10-13 17:38:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2020-10-13 17:38:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2020-10-13 17:38:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2020-10-13 17:38:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2020-10-13 17:38:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2020-10-13 17:38:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2020-10-13 17:38:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2020-10-13 17:38:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2020-10-13 17:38:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2020-10-13 17:38:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2020-10-13 17:38:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2020-10-13 17:38:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2020-10-13 17:38:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2020-10-13 17:38:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2020-10-13 17:38:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2020-10-13 17:38:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2020-10-13 17:38:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2020-10-13 17:38:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2020-10-13 17:38:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2020-10-13 17:38:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2020-10-13 17:38:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2020-10-13 17:38:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2020-10-13 17:38:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2020-10-13 17:38:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2020-10-13 17:38:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2020-10-13 17:38:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2020-10-13 17:38:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2020-10-13 17:38:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2020-10-13 17:38:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2020-10-13 17:38:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2020-10-13 17:38:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2020-10-13 17:38:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2020-10-13 17:38:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2020-10-13 17:38:29,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2020-10-13 17:38:29,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2020-10-13 17:38:29,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2020-10-13 17:38:29,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2020-10-13 17:38:29,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2020-10-13 17:38:29,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:38:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-13 17:38:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-13 17:38:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-13 17:38:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-13 17:38:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-13 17:38:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-13 17:38:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-13 17:38:29,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2020-10-13 17:38:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-13 17:38:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-13 17:38:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-13 17:38:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2020-10-13 17:38:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-13 17:38:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-13 17:38:29,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 17:38:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 17:38:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:38:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:38:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-13 17:38:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-13 17:38:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:38:29,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-13 17:38:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-13 17:38:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:38:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:38:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:38:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:38:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:38:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:38:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:38:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:38:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:38:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 17:38:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-13 17:38:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 17:38:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-13 17:38:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 17:38:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:38:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-13 17:38:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-13 17:38:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-13 17:38:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:38:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:38:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2020-10-13 17:38:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2020-10-13 17:38:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2020-10-13 17:38:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2020-10-13 17:38:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2020-10-13 17:38:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2020-10-13 17:38:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2020-10-13 17:38:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2020-10-13 17:38:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2020-10-13 17:38:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2020-10-13 17:38:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2020-10-13 17:38:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2020-10-13 17:38:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-13 17:38:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-13 17:38:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-13 17:38:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-13 17:38:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-13 17:38:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-13 17:38:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-13 17:38:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-13 17:38:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-13 17:38:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-13 17:38:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-13 17:38:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 17:38:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:38:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-13 17:38:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-13 17:38:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-13 17:38:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-13 17:38:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-13 17:38:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2020-10-13 17:38:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2020-10-13 17:38:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-13 17:38:29,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 17:38:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-13 17:38:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-13 17:38:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 17:38:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 17:38:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-13 17:38:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 17:38:29,232 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 17:38:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:38:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:38:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 17:38:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:38:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 17:38:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 17:38:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 17:38:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-13 17:38:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-13 17:38:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-13 17:38:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:38:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 17:38:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 17:38:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:38:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 17:38:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 17:38:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:38:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-13 17:38:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 17:38:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:38:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-13 17:38:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 17:38:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-13 17:38:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-13 17:38:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-13 17:38:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-13 17:38:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-13 17:38:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 17:38:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-13 17:38:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-13 17:38:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-13 17:38:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2020-10-13 17:38:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-13 17:38:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-13 17:38:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-13 17:38:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-13 17:38:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-13 17:38:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-13 17:38:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-13 17:38:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2020-10-13 17:38:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-13 17:38:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-13 17:38:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-13 17:38:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-13 17:38:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-13 17:38:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:38:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:38:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:38:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 17:38:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 17:38:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:38:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 17:38:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 17:38:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:38:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:38:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:38:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:38:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 17:38:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 17:38:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:38:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 17:38:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:38:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:38:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:38:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:38:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:38:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:38:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-13 17:38:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:38:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-13 17:38:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-13 17:38:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-13 17:38:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-13 17:38:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-13 17:38:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-13 17:38:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-13 17:38:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-13 17:38:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:38:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-13 17:38:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-13 17:38:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-13 17:38:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-13 17:38:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-13 17:38:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-13 17:38:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-13 17:38:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 17:38:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 17:38:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 17:38:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-13 17:38:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-13 17:38:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:38:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 17:38:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 17:38:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 17:38:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 17:38:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-13 17:38:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-13 17:38:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-13 17:38:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-13 17:38:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 17:38:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-13 17:38:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-13 17:38:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2020-10-13 17:38:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2020-10-13 17:38:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2020-10-13 17:38:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2020-10-13 17:38:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2020-10-13 17:38:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2020-10-13 17:38:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2020-10-13 17:38:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2020-10-13 17:38:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2020-10-13 17:38:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2020-10-13 17:38:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2020-10-13 17:38:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2020-10-13 17:38:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2020-10-13 17:38:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2020-10-13 17:38:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2020-10-13 17:38:29,249 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2020-10-13 17:38:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2020-10-13 17:38:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2020-10-13 17:38:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 17:38:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:38:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2020-10-13 17:38:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2020-10-13 17:38:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2020-10-13 17:38:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2020-10-13 17:38:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2020-10-13 17:38:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2020-10-13 17:38:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2020-10-13 17:38:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2020-10-13 17:38:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2020-10-13 17:38:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2020-10-13 17:38:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2020-10-13 17:38:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2020-10-13 17:38:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2020-10-13 17:38:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2020-10-13 17:38:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2020-10-13 17:38:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2020-10-13 17:38:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 17:38:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2020-10-13 17:38:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-13 17:38:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:38:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2020-10-13 17:38:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2020-10-13 17:38:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2020-10-13 17:38:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2020-10-13 17:38:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2020-10-13 17:38:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2020-10-13 17:38:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2020-10-13 17:38:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2020-10-13 17:38:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:38:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-13 17:38:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-13 17:38:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:38:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-13 17:38:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:38:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 17:38:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2020-10-13 17:38:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:38:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:38:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-13 17:38:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:38:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-13 17:38:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:38:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:38:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:38:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:38:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2020-10-13 17:38:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:38:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 17:38:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:38:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:38:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:38:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:38:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:38:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:38:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 17:38:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:38:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 17:38:41,040 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:38:41,042 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 17:38:41,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:38:41 BoogieIcfgContainer [2020-10-13 17:38:41,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:38:41,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:38:41,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:38:41,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:38:41,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:38:25" (1/3) ... [2020-10-13 17:38:41,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5d6259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:38:41, skipping insertion in model container [2020-10-13 17:38:41,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:28" (2/3) ... [2020-10-13 17:38:41,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5d6259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:38:41, skipping insertion in model container [2020-10-13 17:38:41,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:38:41" (3/3) ... [2020-10-13 17:38:41,069 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2020-10-13 17:38:41,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:38:41,089 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:38:41,103 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:38:41,132 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:38:41,132 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:38:41,133 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:38:41,133 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:38:41,133 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:38:41,133 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:38:41,133 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:38:41,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:38:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states. [2020-10-13 17:38:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-13 17:38:41,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:38:41,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:38:41,186 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:38:41,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:38:41,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1347896830, now seen corresponding path program 1 times [2020-10-13 17:38:41,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:38:41,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881210474] [2020-10-13 17:38:41,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:38:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:42,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:45,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:45,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 17:38:45,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:45,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3914 [2020-10-13 17:38:45,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:45,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:38:45,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:38:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 17:38:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 17:38:50,595 WARN L193 SmtUtils]: Spent 4.37 s on a formula simplification that was a NOOP. DAG size: 946 [2020-10-13 17:38:50,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:38:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:50,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:52,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:52,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:38:52,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1497 [2020-10-13 17:38:52,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:38:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:38:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:38:52,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:38:52,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:38:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:38:52,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:38:52,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:38:52,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:38:52,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:38:52,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 17:38:52,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:38:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:38:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:38:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:38:52,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:38:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:38:52,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881210474] [2020-10-13 17:38:52,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:38:52,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:38:52,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24898218] [2020-10-13 17:38:52,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:38:52,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:38:52,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:38:52,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:38:52,467 INFO L87 Difference]: Start difference. First operand 1539 states. Second operand 5 states. [2020-10-13 17:38:59,090 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 948 [2020-10-13 17:39:56,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:39:56,904 INFO L93 Difference]: Finished difference Result 4501 states and 6251 transitions. [2020-10-13 17:39:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 17:39:56,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-13 17:39:56,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:39:56,971 INFO L225 Difference]: With dead ends: 4501 [2020-10-13 17:39:56,971 INFO L226 Difference]: Without dead ends: 3208 [2020-10-13 17:39:56,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:39:57,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-10-13 17:39:58,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2599. [2020-10-13 17:39:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2599 states. [2020-10-13 17:39:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3394 transitions. [2020-10-13 17:39:58,154 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3394 transitions. Word has length 16 [2020-10-13 17:39:58,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:39:58,154 INFO L479 AbstractCegarLoop]: Abstraction has 2599 states and 3394 transitions. [2020-10-13 17:39:58,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:39:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3394 transitions. [2020-10-13 17:39:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-13 17:39:58,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:39:58,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:39:58,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:39:58,156 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:39:58,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:39:58,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1164181154, now seen corresponding path program 1 times [2020-10-13 17:39:58,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:39:58,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209863837] [2020-10-13 17:39:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:39:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:39:58,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:40:00,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:40:00,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 17:40:00,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:40:00,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2597 [2020-10-13 17:40:00,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:40:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:40:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:40:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 17:40:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:40:04,713 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 946 [2020-10-13 17:40:04,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:40:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:40:04,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:40:05,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:40:05,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:40:05,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:40:05,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 685 [2020-10-13 17:40:05,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:40:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:40:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:40:05,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:40:05,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:40:05,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:40:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:40:05,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:40:05,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:40:05,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:40:05,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:40:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 17:40:05,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:40:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:40:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:40:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:40:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:40:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:40:05,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209863837] [2020-10-13 17:40:05,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:40:05,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:40:05,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454117594] [2020-10-13 17:40:05,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:40:05,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:40:05,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:40:05,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:40:05,613 INFO L87 Difference]: Start difference. First operand 2599 states and 3394 transitions. Second operand 5 states. [2020-10-13 17:40:11,550 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification that was a NOOP. DAG size: 948 [2020-10-13 17:40:51,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:40:51,525 INFO L93 Difference]: Finished difference Result 3514 states and 4724 transitions. [2020-10-13 17:40:51,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 17:40:51,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-13 17:40:51,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:40:51,555 INFO L225 Difference]: With dead ends: 3514 [2020-10-13 17:40:51,555 INFO L226 Difference]: Without dead ends: 3511 [2020-10-13 17:40:51,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:40:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2020-10-13 17:40:54,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 2847. [2020-10-13 17:40:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2847 states. [2020-10-13 17:40:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 3683 transitions. [2020-10-13 17:40:54,055 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 3683 transitions. Word has length 17 [2020-10-13 17:40:54,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:40:54,056 INFO L479 AbstractCegarLoop]: Abstraction has 2847 states and 3683 transitions. [2020-10-13 17:40:54,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:40:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 3683 transitions. [2020-10-13 17:40:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-13 17:40:54,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:40:54,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:40:54,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:40:54,059 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:40:54,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:40:54,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1729192197, now seen corresponding path program 1 times [2020-10-13 17:40:54,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:40:54,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036850475] [2020-10-13 17:40:54,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:40:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:40:54,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:40:56,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:40:56,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:40:56,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:40:56,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1896 [2020-10-13 17:40:56,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:40:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:40:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:40:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 17:40:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:40:59,893 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification that was a NOOP. DAG size: 946 [2020-10-13 17:40:59,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:40:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:40:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:00,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:00,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:41:00,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-13 17:41:00,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:41:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:41:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:00,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:41:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:00,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:00,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:00,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:41:00,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 17:41:00,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:41:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:41:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:41:00,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036850475] [2020-10-13 17:41:00,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:41:00,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:41:00,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900071141] [2020-10-13 17:41:00,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:41:00,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:41:00,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:41:00,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:41:00,656 INFO L87 Difference]: Start difference. First operand 2847 states and 3683 transitions. Second operand 5 states. [2020-10-13 17:41:06,646 WARN L193 SmtUtils]: Spent 3.64 s on a formula simplification that was a NOOP. DAG size: 948 [2020-10-13 17:41:45,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:41:45,504 INFO L93 Difference]: Finished difference Result 3513 states and 4722 transitions. [2020-10-13 17:41:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 17:41:45,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-13 17:41:45,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:41:45,525 INFO L225 Difference]: With dead ends: 3513 [2020-10-13 17:41:45,525 INFO L226 Difference]: Without dead ends: 3510 [2020-10-13 17:41:45,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:41:45,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2020-10-13 17:41:46,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 2846. [2020-10-13 17:41:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2846 states. [2020-10-13 17:41:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3681 transitions. [2020-10-13 17:41:46,897 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3681 transitions. Word has length 18 [2020-10-13 17:41:46,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:41:46,898 INFO L479 AbstractCegarLoop]: Abstraction has 2846 states and 3681 transitions. [2020-10-13 17:41:46,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:41:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3681 transitions. [2020-10-13 17:41:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-13 17:41:46,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:41:46,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:41:46,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 17:41:46,899 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:41:46,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:41:46,900 INFO L82 PathProgramCache]: Analyzing trace with hash 2064670213, now seen corresponding path program 1 times [2020-10-13 17:41:46,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:41:46,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173292205] [2020-10-13 17:41:46,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:41:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:47,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:48,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:48,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 17:41:48,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:48,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1807 [2020-10-13 17:41:48,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:41:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:41:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:41:48,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:52,557 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification that was a NOOP. DAG size: 946 [2020-10-13 17:41:52,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:41:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:52,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:52,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:52,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:41:52,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:52,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-13 17:41:52,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:41:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:52,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:41:52,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:41:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:53,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:53,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:53,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:41:53,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 17:41:53,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:41:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:41:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:41:53,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173292205] [2020-10-13 17:41:53,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:41:53,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:41:53,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243867538] [2020-10-13 17:41:53,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:41:53,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:41:53,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:41:53,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:41:53,037 INFO L87 Difference]: Start difference. First operand 2846 states and 3681 transitions. Second operand 5 states. [2020-10-13 17:41:59,041 WARN L193 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 948