/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 language data_model -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 0.2.0-0f64333 [2020-10-28 21:42:49,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:42:49,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:42:49,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:42:49,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:42:49,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:42:49,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:42:49,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:42:49,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:42:50,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:42:50,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:42:50,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:42:50,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:42:50,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:42:50,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:42:50,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:42:50,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:42:50,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:42:50,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:42:50,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:42:50,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:42:50,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:42:50,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:42:50,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:42:50,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:42:50,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:42:50,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:42:50,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:42:50,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:42:50,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 21:42:50,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 21:42:50,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 21:42:50,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 21:42:50,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 21:42:50,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 21:42:50,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 21:42:50,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 21:42:50,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 21:42:50,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:42:50,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:42:50,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:42:50,040 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 [2020-10-28 21:42:50,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:42:50,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:42:50,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:42:50,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:42:50,110 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:42:50,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:42:50,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:42:50,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:42:50,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:42:50,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:42:50,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:42:50,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:42:50,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:42:50,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:42:50,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:42:50,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:42:50,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:42:50,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:42:50,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:42:50,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:42:50,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:42:50,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:42:50,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:42:50,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:42:50,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:42:50,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:42:50,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:42:50,114 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:42:50,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:42:50,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:42:50,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:42:50,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:42:50,509 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:42:50,510 INFO L432 ainManager$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 [2020-10-28 21:42:50,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57c81a712/dd830c61d348407790bfaab7ebccdff5/FLAG0daa4d8b0 [2020-10-28 21:42:51,771 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:42:51,771 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 [2020-10-28 21:42:51,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57c81a712/dd830c61d348407790bfaab7ebccdff5/FLAG0daa4d8b0 [2020-10-28 21:42:52,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57c81a712/dd830c61d348407790bfaab7ebccdff5 [2020-10-28 21:42:52,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:42:52,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:42:52,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:42:52,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:42:52,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:42:52,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:52" (1/1) ... [2020-10-28 21:42:52,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44972d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:52, skipping insertion in model container [2020-10-28 21:42:52,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:52" (1/1) ... [2020-10-28 21:42:52,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:42:52,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:42:54,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:42:54,390 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:42:54,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:42:55,002 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:42:55,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55 WrapperNode [2020-10-28 21:42:55,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:42:55,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:42:55,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:42:55,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:42:55,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (1/1) ... [2020-10-28 21:42:55,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (1/1) ... [2020-10-28 21:42:55,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (1/1) ... [2020-10-28 21:42:55,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (1/1) ... [2020-10-28 21:42:55,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (1/1) ... [2020-10-28 21:42:55,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (1/1) ... [2020-10-28 21:42:55,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (1/1) ... [2020-10-28 21:42:55,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:42:55,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:42:55,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:42:55,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:42:55,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (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 [2020-10-28 21:42:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:42:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:42:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-28 21:42:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-28 21:42:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-28 21:42:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 21:42:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-28 21:42:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 21:42:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:42:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 21:42:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-28 21:42:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-28 21:42:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-28 21:42:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-28 21:42:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 21:42:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 21:42:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-28 21:42:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-28 21:42:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 21:42:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 21:42:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 21:42:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 21:42:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:42:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 21:42:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 21:42:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 21:42:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-28 21:42:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-28 21:42:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-28 21:42:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-28 21:42:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-28 21:42:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-28 21:42:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-28 21:42:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-28 21:42:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-28 21:42:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-28 21:42:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-28 21:42:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 21:42:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-28 21:42:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-28 21:42:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 21:42:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-28 21:42:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-28 21:42:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-28 21:42:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2020-10-28 21:42:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2020-10-28 21:42:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2020-10-28 21:42:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2020-10-28 21:42:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2020-10-28 21:42:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2020-10-28 21:42:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2020-10-28 21:42:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2020-10-28 21:42:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2020-10-28 21:42:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2020-10-28 21:42:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2020-10-28 21:42:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2020-10-28 21:42:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2020-10-28 21:42:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2020-10-28 21:42:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2020-10-28 21:42:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2020-10-28 21:42:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2020-10-28 21:42:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2020-10-28 21:42:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2020-10-28 21:42:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2020-10-28 21:42:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2020-10-28 21:42:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2020-10-28 21:42:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2020-10-28 21:42:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2020-10-28 21:42:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2020-10-28 21:42:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2020-10-28 21:42:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2020-10-28 21:42:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2020-10-28 21:42:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2020-10-28 21:42:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2020-10-28 21:42:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2020-10-28 21:42:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2020-10-28 21:42:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2020-10-28 21:42:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2020-10-28 21:42:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2020-10-28 21:42:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2020-10-28 21:42:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2020-10-28 21:42:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2020-10-28 21:42:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2020-10-28 21:42:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2020-10-28 21:42:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2020-10-28 21:42:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2020-10-28 21:42:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2020-10-28 21:42:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:42:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 21:42:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 21:42:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 21:42:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-28 21:42:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-28 21:42:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-28 21:42:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 21:42:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2020-10-28 21:42:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-28 21:42:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-28 21:42:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-28 21:42:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2020-10-28 21:42:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-28 21:42:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-28 21:42:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 21:42:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 21:42:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:42:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:42:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 21:42:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 21:42:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:42:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 21:42:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 21:42:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:42:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:42:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:42:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:42:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:42:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:42:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:42:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 21:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 21:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 21:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-28 21:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 21:42:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 21:42:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-28 21:42:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-28 21:42:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-28 21:42:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 21:42:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 21:42:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2020-10-28 21:42:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2020-10-28 21:42:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2020-10-28 21:42:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2020-10-28 21:42:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2020-10-28 21:42:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2020-10-28 21:42:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2020-10-28 21:42:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2020-10-28 21:42:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2020-10-28 21:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2020-10-28 21:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2020-10-28 21:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2020-10-28 21:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-28 21:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-28 21:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-28 21:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-28 21:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 21:42:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-28 21:42:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-28 21:42:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-28 21:42:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 21:42:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-28 21:42:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 21:42:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2020-10-28 21:42:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-28 21:42:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 21:42:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-28 21:42:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-28 21:42:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 21:42:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 21:42:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-28 21:42:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 21:42:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 21:42:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:42:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 21:42:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 21:42:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:42:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-28 21:42:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:42:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-28 21:42:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 21:42:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 21:42:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-28 21:42:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 21:42:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-28 21:42:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-28 21:42:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 21:42:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 21:42:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-28 21:42:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 21:42:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 21:42:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-28 21:42:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 21:42:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2020-10-28 21:42:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-28 21:42:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-28 21:42:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-28 21:42:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-28 21:42:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-28 21:42:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-28 21:42:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-28 21:42:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2020-10-28 21:42:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:42:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:42:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 21:42:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 21:42:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 21:42:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 21:42:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 21:42:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:42:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 21:42:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 21:42:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 21:42:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 21:42:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-28 21:42:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:42:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-28 21:42:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-28 21:42:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-28 21:42:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-28 21:42:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-28 21:42:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-28 21:42:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-28 21:42:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-28 21:42:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-28 21:42:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-28 21:42:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-28 21:42:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-28 21:42:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-28 21:42:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-28 21:42:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-28 21:42:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-28 21:42:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-28 21:42:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 21:42:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-28 21:42:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-28 21:42:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:42:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 21:42:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 21:42:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 21:42:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 21:42:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-28 21:42:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-28 21:42:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-28 21:42:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-28 21:42:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 21:42:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-28 21:42:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-28 21:42:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-28 21:42:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-28 21:42:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-28 21:42:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-28 21:42:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-28 21:42:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-28 21:42:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-28 21:42:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-28 21:42:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2020-10-28 21:42:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2020-10-28 21:42:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2020-10-28 21:42:55,505 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:42:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2020-10-28 21:42:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2020-10-28 21:42:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-28 21:42:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2020-10-28 21:42:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2020-10-28 21:42:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2020-10-28 21:42:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2020-10-28 21:42:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2020-10-28 21:42:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2020-10-28 21:42:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2020-10-28 21:42:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 21:42:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 21:42:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2020-10-28 21:42:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:42:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:42:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 21:42:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:42:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 21:42:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:42:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:42:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:42:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:42:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2020-10-28 21:42:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 21:42:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 21:42:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:42:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:42:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:42:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:42:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:42:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 21:42:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 21:42:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 21:42:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 21:43:08,631 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:43:08,632 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 21:43:08,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:43:08 BoogieIcfgContainer [2020-10-28 21:43:08,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:43:08,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:43:08,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:43:08,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:43:08,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:42:52" (1/3) ... [2020-10-28 21:43:08,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753b877c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:43:08, skipping insertion in model container [2020-10-28 21:43:08,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:55" (2/3) ... [2020-10-28 21:43:08,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753b877c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:43:08, skipping insertion in model container [2020-10-28 21:43:08,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:43:08" (3/3) ... [2020-10-28 21:43:08,645 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2020-10-28 21:43:08,656 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:43:08,663 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:43:08,676 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:43:08,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:43:08,711 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:43:08,711 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:43:08,711 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:43:08,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:43:08,711 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:43:08,711 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:43:08,712 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:43:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states. [2020-10-28 21:43:08,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-28 21:43:08,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:43:08,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:43:08,765 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:43:08,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:43:08,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1359752827, now seen corresponding path program 1 times [2020-10-28 21:43:08,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:43:08,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003778799] [2020-10-28 21:43:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:43:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:09,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 21:43:13,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3832 [2020-10-28 21:43:13,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:43:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:43:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 21:43:13,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:43:19,166 WARN L193 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 958 [2020-10-28 21:43:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:43:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:19,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:20,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:20,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:20,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:20,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1330 [2020-10-28 21:43:20,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:20,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:20,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:20,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:43:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:20,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:20,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:20,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:20,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:20,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 21:43:20,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:20,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:43:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:43:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:43:20,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003778799] [2020-10-28 21:43:20,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:43:20,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:43:20,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765559606] [2020-10-28 21:43:20,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:43:20,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:43:20,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:43:20,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:43:20,782 INFO L87 Difference]: Start difference. First operand 1544 states. Second operand 5 states. [2020-10-28 21:43:31,894 WARN L193 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 960 [2020-10-28 21:44:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:44:55,018 INFO L93 Difference]: Finished difference Result 4510 states and 6265 transitions. [2020-10-28 21:44:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:44:55,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-28 21:44:55,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:44:55,070 INFO L225 Difference]: With dead ends: 4510 [2020-10-28 21:44:55,070 INFO L226 Difference]: Without dead ends: 3212 [2020-10-28 21:44:55,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:44:55,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2020-10-28 21:44:56,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2601. [2020-10-28 21:44:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2601 states. [2020-10-28 21:44:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2601 states and 3396 transitions. [2020-10-28 21:44:56,399 INFO L78 Accepts]: Start accepts. Automaton has 2601 states and 3396 transitions. Word has length 18 [2020-10-28 21:44:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:44:56,400 INFO L481 AbstractCegarLoop]: Abstraction has 2601 states and 3396 transitions. [2020-10-28 21:44:56,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:44:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3396 transitions. [2020-10-28 21:44:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-28 21:44:56,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:44:56,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:44:56,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:44:56,404 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:44:56,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:44:56,405 INFO L82 PathProgramCache]: Analyzing trace with hash 60199286, now seen corresponding path program 1 times [2020-10-28 21:44:56,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:44:56,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40642996] [2020-10-28 21:44:56,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:44:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:56,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:59,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:59,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 21:44:59,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2528 [2020-10-28 21:44:59,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:59,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:44:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:44:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 21:44:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:04,740 WARN L193 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 958 [2020-10-28 21:45:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:45:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:04,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:05,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:05,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:05,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:05,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-28 21:45:05,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:05,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:05,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:05,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:45:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:05,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:05,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:05,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:05,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:05,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 21:45:05,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:05,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:05,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:05,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:05,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:45:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:45:05,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40642996] [2020-10-28 21:45:05,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:45:05,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:45:05,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931191164] [2020-10-28 21:45:05,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:45:05,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:45:05,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:45:05,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:45:05,489 INFO L87 Difference]: Start difference. First operand 2601 states and 3396 transitions. Second operand 5 states. [2020-10-28 21:45:19,676 WARN L193 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 960 [2020-10-28 21:46:09,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:46:09,423 INFO L93 Difference]: Finished difference Result 3520 states and 4730 transitions. [2020-10-28 21:46:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:46:09,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-28 21:46:09,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:46:09,446 INFO L225 Difference]: With dead ends: 3520 [2020-10-28 21:46:09,446 INFO L226 Difference]: Without dead ends: 3515 [2020-10-28 21:46:09,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:46:09,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2020-10-28 21:46:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 2849. [2020-10-28 21:46:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2849 states. [2020-10-28 21:46:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 3685 transitions. [2020-10-28 21:46:10,764 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 3685 transitions. Word has length 19 [2020-10-28 21:46:10,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:46:10,764 INFO L481 AbstractCegarLoop]: Abstraction has 2849 states and 3685 transitions. [2020-10-28 21:46:10,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:46:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 3685 transitions. [2020-10-28 21:46:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-28 21:46:10,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:46:10,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:46:10,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 21:46:10,766 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:46:10,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:46:10,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1133719016, now seen corresponding path program 1 times [2020-10-28 21:46:10,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:46:10,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525038027] [2020-10-28 21:46:10,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:46:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:46:10,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:46:13,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:46:13,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 21:46:13,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:46:13,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2395 [2020-10-28 21:46:13,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:46:13,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:46:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:46:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:46:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 21:46:13,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:46:19,068 WARN L193 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 958 [2020-10-28 21:46:19,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:46:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:46:19,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:46:19,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:46:19,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:46:19,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:46:19,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-28 21:46:19,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:46:19,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:46:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:46:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:46:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:46:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:46:19,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:46:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:46:19,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:46:19,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:46:19,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:46:19,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:46:19,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 21:46:19,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:46:19,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:46:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:46:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:46:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:46:19,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:46:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:46:19,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525038027] [2020-10-28 21:46:19,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:46:19,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:46:19,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93441492] [2020-10-28 21:46:19,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:46:19,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:46:19,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:46:19,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:46:19,755 INFO L87 Difference]: Start difference. First operand 2849 states and 3685 transitions. Second operand 5 states. [2020-10-28 21:46:29,381 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 960