/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=SHALLOWEST --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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:31:33,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:31:33,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:31:33,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:31:33,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:31:33,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:31:33,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:31:33,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:31:33,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:31:33,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:31:33,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:31:33,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:31:33,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:31:33,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:31:33,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:31:33,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:31:33,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:31:33,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:31:33,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:31:33,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:31:33,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:31:33,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:31:33,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:31:33,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:31:33,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:31:33,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:31:33,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:31:33,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:31:33,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:31:33,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-27 10:31:33,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:31:33,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:31:33,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:31:33,855 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 [2020-10-27 10:31:33,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:31:33,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:31:33,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:31:33,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:31:33,888 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:31:33,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:31:33,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:31:33,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:31:33,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:31:33,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:31:33,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:31:33,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:31:33,892 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:31:33,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:31:33,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:31:33,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:31:33,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:31:33,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:31:33,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:31:33,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:31:33,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:31:33,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:31:33,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:31:33,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:31:33,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:31:33,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:31:33,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:31:33,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:31:34,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:31:34,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:31:34,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:31:34,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:31:34,375 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:31:34,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-27 10:31:34,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0f67d343/a5ce71c10d0b4a2eae4527e7a5e769b2/FLAG654976bc3 [2020-10-27 10:31:35,560 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:31:35,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-27 10:31:35,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0f67d343/a5ce71c10d0b4a2eae4527e7a5e769b2/FLAG654976bc3 [2020-10-27 10:31:35,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0f67d343/a5ce71c10d0b4a2eae4527e7a5e769b2 [2020-10-27 10:31:35,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:31:35,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:31:35,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:31:35,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:31:35,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:31:35,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:31:35" (1/1) ... [2020-10-27 10:31:35,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762ad225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:35, skipping insertion in model container [2020-10-27 10:31:35,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:31:35" (1/1) ... [2020-10-27 10:31:35,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:31:36,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:31:36,745 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6069] [2020-10-27 10:31:36,745 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6070-6071] [2020-10-27 10:31:38,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:31:38,394 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:31:38,580 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6069] [2020-10-27 10:31:38,580 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6070-6071] [2020-10-27 10:31:38,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:31:39,280 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:31:39,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39 WrapperNode [2020-10-27 10:31:39,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:31:39,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:31:39,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:31:39,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:31:39,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:31:39,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:31:39,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:31:39,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:31:39,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (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 [2020-10-27 10:31:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:31:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:31:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-27 10:31:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:31:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-27 10:31:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-27 10:31:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-27 10:31:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-27 10:31:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-27 10:31:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-27 10:31:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-27 10:31:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 10:31:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-27 10:31:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-27 10:31:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-27 10:31:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-27 10:31:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-27 10:31:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:31:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:31:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:31:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:31:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:31:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:31:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:31:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:31:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:31:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 10:31:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 10:31:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-27 10:31:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-27 10:31:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 10:31:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-27 10:31:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-27 10:31:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-27 10:31:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 10:31:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2020-10-27 10:31:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_20 [2020-10-27 10:31:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-27 10:31:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2020-10-27 10:31:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2020-10-27 10:31:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2020-10-27 10:31:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2020-10-27 10:31:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2020-10-27 10:31:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-27 10:31:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2020-10-27 10:31:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2020-10-27 10:31:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2020-10-27 10:31:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcusb_l2l1B [2020-10-27 10:31:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_ph_info [2020-10-27 10:31:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcusb_l2l1D [2020-10-27 10:31:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_l1callback [2020-10-27 10:31:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2020-10-27 10:31:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2020-10-27 10:31:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2020-10-27 10:31:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_dctrl [2020-10-27 10:31:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state_te [2020-10-27 10:31:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state_nt [2020-10-27 10:31:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state [2020-10-27 10:31:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_setup_bch [2020-10-27 10:31:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_ph_command [2020-10-27 10:31:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2020-10-27 10:31:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_rx_frame [2020-10-27 10:31:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2020-10-27 10:31:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_iso_complete [2020-10-27 10:31:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int_complete [2020-10-27 10:31:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_iso_complete [2020-10-27 10:31:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2020-10-27 10:31:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_iso_gracefull [2020-10-27 10:31:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_int_gracefull [2020-10-27 10:31:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2020-10-27 10:31:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setPortMode [2020-10-27 10:31:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_hfcsusb [2020-10-27 10:31:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_start_endpoint [2020-10-27 10:31:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_stop_endpoint [2020-10-27 10:31:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hfcsusb [2020-10-27 10:31:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure release_hw [2020-10-27 10:31:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_bchannel [2020-10-27 10:31:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_bctrl [2020-10-27 10:31:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2020-10-27 10:31:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_probe [2020-10-27 10:31:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_disconnect [2020-10-27 10:31:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_drv_init [2020-10-27 10:31:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_drv_exit [2020-10-27 10:31:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-27 10:31:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:31:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-27 10:31:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-27 10:31:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-27 10:31:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 10:31:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-27 10:31:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2020-10-27 10:31:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2020-10-27 10:31:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2020-10-27 10:31:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2020-10-27 10:31:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-27 10:31:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-27 10:31:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2020-10-27 10:31:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-27 10:31:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2020-10-27 10:31:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-27 10:31:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2020-10-27 10:31:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2020-10-27 10:31:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2020-10-27 10:31:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_37 [2020-10-27 10:31:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_38 [2020-10-27 10:31:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_39 [2020-10-27 10:31:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_40 [2020-10-27 10:31:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_41 [2020-10-27 10:31:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_42 [2020-10-27 10:31:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_43 [2020-10-27 10:31:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-27 10:31:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-27 10:31:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-27 10:31:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-27 10:31:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-27 10:31:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-27 10:31:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-27 10:31:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-27 10:31:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-27 10:31:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 10:31:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-27 10:31:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-27 10:31:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-27 10:31:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2020-10-27 10:31:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2020-10-27 10:31:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2020-10-27 10:31:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2020-10-27 10:31:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-27 10:31:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2020-10-27 10:31:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2020-10-27 10:31:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2020-10-27 10:31:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2020-10-27 10:31:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-27 10:31:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2020-10-27 10:31:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:31:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:31:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-27 10:31:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-27 10:31:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2020-10-27 10:31:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2020-10-27 10:31:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2020-10-27 10:31:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2020-10-27 10:31:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2020-10-27 10:31:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2020-10-27 10:31:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2020-10-27 10:31:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2020-10-27 10:31:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-27 10:31:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 10:31:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-27 10:31:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2020-10-27 10:31:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-27 10:31:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2020-10-27 10:31:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2020-10-27 10:31:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Echannel [2020-10-27 10:31:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-27 10:31:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-27 10:31:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-27 10:31:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:31:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-27 10:31:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-27 10:31:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-27 10:31:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-27 10:31:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-27 10:31:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 10:31:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-27 10:31:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 10:31:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 10:31:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-27 10:31:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-27 10:31:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:31:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 10:31:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:31:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 10:31:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:31:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:31:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:31:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:31:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:31:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:31:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2020-10-27 10:31:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:31:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-27 10:31:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-27 10:31:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-27 10:31:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-27 10:31:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-27 10:31:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-27 10:31:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-27 10:31:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:31:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 10:31:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 10:31:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-27 10:31:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-27 10:31:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:31:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-27 10:31:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-27 10:31:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 10:31:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 10:31:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 10:31:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-27 10:31:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-27 10:31:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-27 10:31:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2020-10-27 10:31:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2020-10-27 10:31:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 10:31:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-27 10:31:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-27 10:31:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-27 10:31:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-27 10:31:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-27 10:31:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-27 10:31:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-27 10:31:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-27 10:31:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-27 10:31:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-27 10:31:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-27 10:31:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:31:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-27 10:31:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 10:31:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:31:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:31:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:31:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:31:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:31:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:31:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:31:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-27 10:31:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 10:31:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 10:31:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:31:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-27 10:31:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-27 10:31:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-27 10:31:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 10:31:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 10:31:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_42 [2020-10-27 10:31:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 10:31:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_43 [2020-10-27 10:31:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-27 10:31:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:31:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-27 10:31:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-27 10:31:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-27 10:31:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_37 [2020-10-27 10:31:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_39 [2020-10-27 10:31:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_41 [2020-10-27 10:31:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-27 10:31:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-27 10:31:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-27 10:31:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2020-10-27 10:31:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2020-10-27 10:31:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2020-10-27 10:31:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_38 [2020-10-27 10:31:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_40 [2020-10-27 10:31:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 10:31:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-27 10:31:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-27 10:31:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 10:31:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2020-10-27 10:31:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-27 10:31:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-27 10:31:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_20 [2020-10-27 10:31:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-27 10:31:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-27 10:31:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2020-10-27 10:31:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2020-10-27 10:31:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-27 10:31:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2020-10-27 10:31:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-27 10:31:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2020-10-27 10:31:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2020-10-27 10:31:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-27 10:31:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:31:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-27 10:31:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-27 10:31:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-27 10:31:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-27 10:31:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2020-10-27 10:31:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-27 10:31:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-27 10:31:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2020-10-27 10:31:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2020-10-27 10:31:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 10:31:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2020-10-27 10:31:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2020-10-27 10:31:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2020-10-27 10:31:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2020-10-27 10:31:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2020-10-27 10:31:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2020-10-27 10:31:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2020-10-27 10:31:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2020-10-27 10:31:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2020-10-27 10:31:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Echannel [2020-10-27 10:31:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_ph_command [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure release_hw [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure reset_hfcsusb [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure setPortMode [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_start_endpoint [2020-10-27 10:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_stop_endpoint [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_setup_bch [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_bchannel [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_ph_info [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2020-10-27 10:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure hfcusb_l2l1B [2020-10-27 10:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure hfcusb_l2l1D [2020-10-27 10:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_l1callback [2020-10-27 10:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2020-10-27 10:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2020-10-27 10:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2020-10-27 10:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_dctrl [2020-10-27 10:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state_te [2020-10-27 10:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state_nt [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_rx_frame [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure rx_iso_complete [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int_complete [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure tx_iso_complete [2020-10-27 10:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure stop_iso_gracefull [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure stop_int_gracefull [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hfcsusb [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_bctrl [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_probe [2020-10-27 10:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_disconnect [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_drv_init [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_drv_exit [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-27 10:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-27 10:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 10:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 10:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:31:41,079 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:31:56,212 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:31:56,212 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 10:31:56,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:31:56 BoogieIcfgContainer [2020-10-27 10:31:56,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:31:56,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:31:56,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:31:56,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:31:56,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:31:35" (1/3) ... [2020-10-27 10:31:56,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ebbd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:31:56, skipping insertion in model container [2020-10-27 10:31:56,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39" (2/3) ... [2020-10-27 10:31:56,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ebbd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:31:56, skipping insertion in model container [2020-10-27 10:31:56,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:31:56" (3/3) ... [2020-10-27 10:31:56,227 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-27 10:31:56,240 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:31:56,247 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:31:56,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:31:56,299 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:31:56,299 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:31:56,299 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:31:56,300 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:31:56,300 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:31:56,300 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:31:56,300 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:31:56,300 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:31:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states. [2020-10-27 10:31:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 10:31:56,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:31:56,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:31:56,365 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:31:56,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:31:56,373 INFO L82 PathProgramCache]: Analyzing trace with hash 553197988, now seen corresponding path program 1 times [2020-10-27 10:31:56,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:31:56,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787925490] [2020-10-27 10:31:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:31:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:31:57,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:31:58,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:31:58,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:32:07,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:32:41,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:32:41,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 10:32:41,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:32:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43707 [2020-10-27 10:32:41,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:32:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 10:32:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:32:41,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 10:32:41,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 10:32:55,911 WARN L193 SmtUtils]: Spent 14.37 s on a formula simplification that was a NOOP. DAG size: 1543 [2020-10-27 10:32:55,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:32:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:32:56,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:33:05,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:33:05,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:33:05,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:33:05,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9406 [2020-10-27 10:33:05,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:33:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:33:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:33:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:33:05,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:33:05,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:33:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:33:05,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:33:05,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:33:05,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:33:05,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:33:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 10:33:05,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:33:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:33:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:33:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:33:05,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:33:05,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:33:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:33:05,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:33:05,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:33:05,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 10:33:05,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:33:05,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:33:05,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:33:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:33:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:33:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:33:05,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:33:05,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 10:33:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:33:05,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:33:05,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:33:05,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:33:05,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:33:05,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:33:05,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:33:05,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:33:05,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:33:05,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:33:05,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:33:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 10:33:05,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787925490] [2020-10-27 10:33:05,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:33:05,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 10:33:05,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107966106] [2020-10-27 10:33:05,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 10:33:05,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:33:05,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 10:33:05,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 10:33:05,962 INFO L87 Difference]: Start difference. First operand 1614 states. Second operand 8 states. [2020-10-27 10:33:20,561 WARN L193 SmtUtils]: Spent 14.48 s on a formula simplification that was a NOOP. DAG size: 1546 [2020-10-27 10:33:38,179 WARN L193 SmtUtils]: Spent 14.83 s on a formula simplification that was a NOOP. DAG size: 1552 [2020-10-27 10:34:40,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:34:40,384 INFO L93 Difference]: Finished difference Result 1989 states and 2785 transitions. [2020-10-27 10:34:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 10:34:40,386 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-10-27 10:34:40,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:34:40,420 INFO L225 Difference]: With dead ends: 1989 [2020-10-27 10:34:40,420 INFO L226 Difference]: Without dead ends: 1280 [2020-10-27 10:34:40,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 44.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-27 10:34:40,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2020-10-27 10:34:41,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1056. [2020-10-27 10:34:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2020-10-27 10:34:41,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1445 transitions. [2020-10-27 10:34:41,726 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1445 transitions. Word has length 43 [2020-10-27 10:34:41,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:34:41,727 INFO L481 AbstractCegarLoop]: Abstraction has 1056 states and 1445 transitions. [2020-10-27 10:34:41,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 10:34:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1445 transitions. [2020-10-27 10:34:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-27 10:34:41,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:34:41,733 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:34:41,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:34:41,734 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:34:41,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:34:41,734 INFO L82 PathProgramCache]: Analyzing trace with hash -819725542, now seen corresponding path program 1 times [2020-10-27 10:34:41,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:34:41,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099923802] [2020-10-27 10:34:41,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:34:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:34:42,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:34:42,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:34:48,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:35:23,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:35:23,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 10:35:23,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:35:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41428 [2020-10-27 10:35:23,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:35:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 10:35:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:35:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 10:35:23,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:35:23,906 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21