/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 18:24:14,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 18:24:14,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 18:24:14,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 18:24:14,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 18:24:14,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 18:24:14,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 18:24:14,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 18:24:14,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 18:24:14,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 18:24:14,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 18:24:14,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 18:24:14,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 18:24:14,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 18:24:14,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 18:24:14,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 18:24:14,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 18:24:14,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 18:24:14,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 18:24:14,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 18:24:14,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 18:24:14,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 18:24:14,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 18:24:14,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 18:24:14,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 18:24:14,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 18:24:14,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 18:24:14,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 18:24:14,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 18:24:14,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 18:24:14,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 18:24:14,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 18:24:14,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 18:24:14,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 18:24:14,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 18:24:14,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 18:24:14,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 18:24:14,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 18:24:14,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 18:24:14,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 18:24:14,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 18:24:14,459 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 [2020-10-29 18:24:14,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 18:24:14,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 18:24:14,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 18:24:14,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 18:24:14,508 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 18:24:14,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 18:24:14,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 18:24:14,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 18:24:14,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 18:24:14,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 18:24:14,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 18:24:14,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 18:24:14,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 18:24:14,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 18:24:14,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 18:24:14,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 18:24:14,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 18:24:14,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 18:24:14,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:24:14,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 18:24:14,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 18:24:14,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 18:24:14,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 18:24:14,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 18:24:14,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 18:24:14,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 18:24:14,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 18:24:14,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 18:24:14,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 18:24:15,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 18:24:15,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 18:24:15,019 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 18:24:15,020 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 18:24:15,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-29 18:24:15,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9af38f8a/15d9bd3819e543a3850f3c474aa95dce/FLAG383b0a025 [2020-10-29 18:24:16,270 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 18:24:16,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-29 18:24:16,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9af38f8a/15d9bd3819e543a3850f3c474aa95dce/FLAG383b0a025 [2020-10-29 18:24:16,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d9af38f8a/15d9bd3819e543a3850f3c474aa95dce [2020-10-29 18:24:16,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 18:24:16,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 18:24:16,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 18:24:16,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 18:24:16,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 18:24:16,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:24:16" (1/1) ... [2020-10-29 18:24:16,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bb62a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:16, skipping insertion in model container [2020-10-29 18:24:16,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:24:16" (1/1) ... [2020-10-29 18:24:16,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 18:24:16,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 18:24:18,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:24:18,540 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 18:24:19,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:24:19,287 INFO L208 MainTranslator]: Completed translation [2020-10-29 18:24:19,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19 WrapperNode [2020-10-29 18:24:19,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 18:24:19,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 18:24:19,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 18:24:19,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 18:24:19,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (1/1) ... [2020-10-29 18:24:19,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (1/1) ... [2020-10-29 18:24:19,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (1/1) ... [2020-10-29 18:24:19,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (1/1) ... [2020-10-29 18:24:19,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (1/1) ... [2020-10-29 18:24:19,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (1/1) ... [2020-10-29 18:24:19,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (1/1) ... [2020-10-29 18:24:19,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 18:24:19,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 18:24:19,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 18:24:19,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 18:24:19,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (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 [2020-10-29 18:24:19,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 18:24:19,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 18:24:19,773 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 18:24:19,774 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-29 18:24:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2020-10-29 18:24:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 18:24:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 18:24:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 18:24:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-29 18:24:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 18:24:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 18:24:19,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-29 18:24:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 18:24:19,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 18:24:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-29 18:24:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 18:24:19,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 18:24:19,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 18:24:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 18:24:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 18:24:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 18:24:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 18:24:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 18:24:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 18:24:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-29 18:24:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-29 18:24:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-29 18:24:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-29 18:24:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-29 18:24:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-29 18:24:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-29 18:24:19,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-29 18:24:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-29 18:24:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-29 18:24:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-29 18:24:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_write_bulk_callback [2020-10-29 18:24:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_free [2020-10-29 18:24:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_setup_firmware [2020-10-29 18:24:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_fw_timeo [2020-10-29 18:24:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_probe [2020-10-29 18:24:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_disconnect [2020-10-29 18:24:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_send_fw_pkt [2020-10-29 18:24:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_reset_device [2020-10-29 18:24:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_block [2020-10-29 18:24:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __if_usb_submit_rx_urb [2020-10-29 18:24:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb_fwload [2020-10-29 18:24:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb [2020-10-29 18:24:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive_fwload [2020-10-29 18:24:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdtypedata [2020-10-29 18:24:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdrequest [2020-10-29 18:24:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive [2020-10-29 18:24:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_host_to_card [2020-10-29 18:24:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_issue_boot_command [2020-10-29 18:24:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fwfile_format [2020-10-29 18:24:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_prog_firmware [2020-10-29 18:24:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_suspend [2020-10-29 18:24:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_resume [2020-10-29 18:24:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_init [2020-10-29 18:24:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_exit [2020-10-29 18:24:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2020-10-29 18:24:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2020-10-29 18:24:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-29 18:24:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-29 18:24:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-29 18:24:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-29 18:24:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2020-10-29 18:24:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-29 18:24:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 18:24:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-29 18:24:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-29 18:24:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-29 18:24:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-29 18:24:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-29 18:24:19,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-10-29 18:24:19,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-29 18:24:19,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2020-10-29 18:24:19,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2020-10-29 18:24:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2020-10-29 18:24:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2020-10-29 18:24:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2020-10-29 18:24:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2020-10-29 18:24:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_20 [2020-10-29 18:24:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2020-10-29 18:24:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_22 [2020-10-29 18:24:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_23 [2020-10-29 18:24:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_24 [2020-10-29 18:24:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_25 [2020-10-29 18:24:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_26 [2020-10-29 18:24:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_27 [2020-10-29 18:24:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_28 [2020-10-29 18:24:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_29 [2020-10-29 18:24:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_30 [2020-10-29 18:24:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-29 18:24:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-29 18:24:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-29 18:24:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-29 18:24:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-29 18:24:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 18:24:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 18:24:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 18:24:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 18:24:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-29 18:24:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 18:24:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-29 18:24:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-29 18:24:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-29 18:24:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-29 18:24:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-29 18:24:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 18:24:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-29 18:24:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2020-10-29 18:24:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-29 18:24:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 18:24:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 18:24:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-29 18:24:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-29 18:24:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2020-10-29 18:24:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_card [2020-10-29 18:24:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_firmware_async [2020-10-29 18:24:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2020-10-29 18:24:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_to_card_done [2020-10-29 18:24:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_notify_command_response [2020-10-29 18:24:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_rxed_packet [2020-10-29 18:24:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_queue_event [2020-10-29 18:24:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_card [2020-10-29 18:24:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2020-10-29 18:24:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_tx_feedback [2020-10-29 18:24:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2020-10-29 18:24:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_card [2020-10-29 18:24:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2020-10-29 18:24:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-29 18:24:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 18:24:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-29 18:24:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-29 18:24:19,807 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2020-10-29 18:24:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 18:24:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-29 18:24:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-29 18:24:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-29 18:24:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-29 18:24:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 18:24:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-29 18:24:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2020-10-29 18:24:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-29 18:24:19,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2020-10-29 18:24:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 18:24:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-29 18:24:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-29 18:24:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 18:24:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 18:24:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 18:24:19,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 18:24:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 18:24:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 18:24:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 18:24:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 18:24:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 18:24:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2020-10-29 18:24:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2020-10-29 18:24:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 18:24:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 18:24:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 18:24:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 18:24:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-29 18:24:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-29 18:24:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2020-10-29 18:24:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_20 [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_28 [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-29 18:24:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 18:24:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 18:24:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 18:24:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 18:24:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-29 18:24:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 18:24:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 18:24:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-29 18:24:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-29 18:24:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-29 18:24:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-29 18:24:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-29 18:24:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-29 18:24:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2020-10-29 18:24:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2020-10-29 18:24:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2020-10-29 18:24:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2020-10-29 18:24:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2020-10-29 18:24:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2020-10-29 18:24:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2020-10-29 18:24:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_22 [2020-10-29 18:24:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_23 [2020-10-29 18:24:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_24 [2020-10-29 18:24:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_25 [2020-10-29 18:24:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_26 [2020-10-29 18:24:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_27 [2020-10-29 18:24:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-29 18:24:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-29 18:24:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-29 18:24:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-29 18:24:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 18:24:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 18:24:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-10-29 18:24:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-29 18:24:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 18:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-29 18:24:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-29 18:24:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-29 18:24:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-29 18:24:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-29 18:24:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-29 18:24:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-29 18:24:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-29 18:24:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2020-10-29 18:24:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2020-10-29 18:24:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-29 18:24:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 18:24:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_29 [2020-10-29 18:24:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 18:24:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_30 [2020-10-29 18:24:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-29 18:24:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-29 18:24:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-29 18:24:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-29 18:24:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-29 18:24:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-29 18:24:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_tx_feedback [2020-10-29 18:24:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_rxed_packet [2020-10-29 18:24:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_card [2020-10-29 18:24:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_card [2020-10-29 18:24:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2020-10-29 18:24:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_card [2020-10-29 18:24:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_to_card_done [2020-10-29 18:24:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2020-10-29 18:24:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2020-10-29 18:24:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_queue_event [2020-10-29 18:24:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_notify_command_response [2020-10-29 18:24:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_firmware_async [2020-10-29 18:24:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2020-10-29 18:24:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_copyback [2020-10-29 18:24:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2020-10-29 18:24:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive_fwload [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_prog_firmware [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_host_to_card [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_block [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_free [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_reset_device [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_write_bulk_callback [2020-10-29 18:24:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_setup_firmware [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_fw_timeo [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_probe [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_disconnect [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_send_fw_pkt [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure __if_usb_submit_rx_urb [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb_fwload [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdtypedata [2020-10-29 18:24:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdrequest [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_issue_boot_command [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure check_fwfile_format [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_suspend [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_resume [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_init [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_exit [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 18:24:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 18:24:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 18:24:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 18:24:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-29 18:24:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-29 18:24:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-29 18:24:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-29 18:24:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-29 18:24:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 18:24:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 18:24:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 18:24:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 18:24:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 18:24:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 18:24:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 18:24:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 18:24:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 18:24:21,291 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 18:24:30,760 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 18:24:30,760 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-29 18:24:30,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:24:30 BoogieIcfgContainer [2020-10-29 18:24:30,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 18:24:30,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 18:24:30,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 18:24:30,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 18:24:30,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:24:16" (1/3) ... [2020-10-29 18:24:30,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a03de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:24:30, skipping insertion in model container [2020-10-29 18:24:30,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:24:19" (2/3) ... [2020-10-29 18:24:30,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a03de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:24:30, skipping insertion in model container [2020-10-29 18:24:30,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:24:30" (3/3) ... [2020-10-29 18:24:30,778 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-29 18:24:30,791 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 18:24:30,798 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 18:24:30,812 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 18:24:30,864 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 18:24:30,864 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 18:24:30,864 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 18:24:30,864 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 18:24:30,864 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 18:24:30,864 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 18:24:30,865 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 18:24:30,865 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 18:24:30,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states. [2020-10-29 18:24:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 18:24:30,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:24:30,954 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:24:30,954 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:24:30,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:24:30,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1200767912, now seen corresponding path program 1 times [2020-10-29 18:24:30,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:24:30,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102747537] [2020-10-29 18:24:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:24:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:32,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:32,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 18:24:37,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:24:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6095 [2020-10-29 18:24:37,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-29 18:24:37,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 18:24:37,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:24:47,206 WARN L193 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 1228 [2020-10-29 18:24:47,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:47,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:48,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:48,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:48,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1360 [2020-10-29 18:24:48,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:48,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:48,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:48,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:48,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:48,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:48,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:48,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:48,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 18:24:48,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:48,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:48,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:48,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:24:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:48,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:48,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:48,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:24:48,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:48,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 18:24:48,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:48,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:48,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:48,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:48,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:48,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:48,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:48,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 18:24:48,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:48,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:48,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 18:24:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:48,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:49,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:24:49,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 18:24:49,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:24:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:24:49,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:24:49,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:24:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 18:24:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:49,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:24:49,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:24:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 18:24:49,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 18:24:49,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 18:24:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:49,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 18:24:49,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:24:49,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:24:49,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 18:24:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:49,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 18:24:49,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:24:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:24:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 18:24:49,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102747537] [2020-10-29 18:24:49,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:24:49,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 18:24:49,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341332188] [2020-10-29 18:24:49,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 18:24:49,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:24:49,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 18:24:49,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-29 18:24:49,443 INFO L87 Difference]: Start difference. First operand 1230 states. Second operand 11 states. [2020-10-29 18:24:58,370 WARN L193 SmtUtils]: Spent 8.84 s on a formula simplification that was a NOOP. DAG size: 1231 [2020-10-29 18:25:10,684 WARN L193 SmtUtils]: Spent 8.80 s on a formula simplification that was a NOOP. DAG size: 1234 [2020-10-29 18:25:20,133 WARN L193 SmtUtils]: Spent 9.29 s on a formula simplification that was a NOOP. DAG size: 1236 [2020-10-29 18:25:29,788 WARN L193 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 1233 [2020-10-29 18:25:43,086 WARN L193 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 1230 [2020-10-29 18:26:35,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:26:35,060 INFO L93 Difference]: Finished difference Result 2427 states and 3309 transitions. [2020-10-29 18:26:35,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 18:26:35,062 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-10-29 18:26:35,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:26:35,098 INFO L225 Difference]: With dead ends: 2427 [2020-10-29 18:26:35,098 INFO L226 Difference]: Without dead ends: 1738 [2020-10-29 18:26:35,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 55.7s TimeCoverageRelationStatistics Valid=292, Invalid=830, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 18:26:35,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2020-10-29 18:26:36,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1248. [2020-10-29 18:26:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2020-10-29 18:26:36,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1618 transitions. [2020-10-29 18:26:36,170 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1618 transitions. Word has length 61 [2020-10-29 18:26:36,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:26:36,171 INFO L481 AbstractCegarLoop]: Abstraction has 1248 states and 1618 transitions. [2020-10-29 18:26:36,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 18:26:36,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1618 transitions. [2020-10-29 18:26:36,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-29 18:26:36,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:26:36,183 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2020-10-29 18:26:36,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 18:26:36,184 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:26:36,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:26:36,185 INFO L82 PathProgramCache]: Analyzing trace with hash 312735804, now seen corresponding path program 1 times [2020-10-29 18:26:36,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:26:36,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048057663] [2020-10-29 18:26:36,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:26:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:36,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:36,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:42,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:42,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 18:26:42,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:26:42,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5611 [2020-10-29 18:26:42,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:42,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:26:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 18:26:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:26:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:26:50,841 WARN L193 SmtUtils]: Spent 8.56 s on a formula simplification that was a NOOP. DAG size: 1228 [2020-10-29 18:26:50,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:26:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:50,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:26:52,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1287 [2020-10-29 18:26:52,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:26:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:26:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:26:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:26:52,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 18:26:52,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:26:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:26:52,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:26:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:26:52,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 18:26:52,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:26:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:26:52,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:26:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:26:52,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:26:52,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:26:52,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:26:52,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 18:26:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 18:26:52,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 18:26:52,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:26:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:26:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 18:26:52,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:26:52,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 18:26:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:26:52,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:26:52,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:26:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:26:52,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 18:26:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 18:26:52,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 18:26:52,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-29 18:26:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:26:52,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:26:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 18:26:52,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 18:26:52,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:26:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:26:52,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:26:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:26:52,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 18:26:52,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:26:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:26:52,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:26:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:52,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:52,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:52,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:26:52,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:52,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 18:26:52,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:52,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:26:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:52,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:26:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:26:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:53,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:53,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:53,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:26:53,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:53,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 18:26:53,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:53,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:53,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:53,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:26:53,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:26:53,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 18:26:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:26:53,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:26:53,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:26:53,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:26:53,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:26:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 18:26:53,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:26:53,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:26:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:26:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:26:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:26:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:26:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 18:26:53,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048057663] [2020-10-29 18:26:53,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 18:26:53,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 18:26:53,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676078826] [2020-10-29 18:26:53,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 18:26:53,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:26:53,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 18:26:53,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-29 18:26:53,121 INFO L87 Difference]: Start difference. First operand 1248 states and 1618 transitions. Second operand 12 states. [2020-10-29 18:27:02,134 WARN L193 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 1231 [2020-10-29 18:27:14,174 WARN L193 SmtUtils]: Spent 8.62 s on a formula simplification that was a NOOP. DAG size: 1234 [2020-10-29 18:27:44,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:27:44,943 INFO L93 Difference]: Finished difference Result 2968 states and 3916 transitions. [2020-10-29 18:27:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 18:27:44,944 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2020-10-29 18:27:44,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:27:44,960 INFO L225 Difference]: With dead ends: 2968 [2020-10-29 18:27:44,960 INFO L226 Difference]: Without dead ends: 1739 [2020-10-29 18:27:44,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 27.0s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2020-10-29 18:27:44,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2020-10-29 18:27:45,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1249. [2020-10-29 18:27:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2020-10-29 18:27:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1619 transitions. [2020-10-29 18:27:45,629 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1619 transitions. Word has length 78 [2020-10-29 18:27:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:27:45,629 INFO L481 AbstractCegarLoop]: Abstraction has 1249 states and 1619 transitions. [2020-10-29 18:27:45,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 18:27:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1619 transitions. [2020-10-29 18:27:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-29 18:27:45,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:27:45,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2020-10-29 18:27:45,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 18:27:45,633 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:27:45,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:27:45,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1810609478, now seen corresponding path program 2 times [2020-10-29 18:27:45,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:27:45,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60461502] [2020-10-29 18:27:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:27:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:27:45,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:27:46,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:27:51,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:27:51,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 18:27:51,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:27:51,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5815 [2020-10-29 18:27:51,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:27:51,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:27:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:27:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 18:27:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:27:51,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:28:00,871 WARN L193 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 1228 [2020-10-29 18:28:00,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:28:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:28:00,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking...