/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 12:20:19,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:20:19,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:20:19,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:20:19,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:20:19,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:20:19,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:20:19,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:20:19,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:20:19,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:20:19,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:20:19,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:20:19,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:20:19,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:20:19,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:20:19,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:20:19,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:20:19,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:20:19,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:20:20,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:20:20,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:20:20,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:20:20,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:20:20,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:20:20,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:20:20,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:20:20,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:20:20,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:20:20,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:20:20,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:20:20,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:20:20,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:20:20,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:20:20,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:20:20,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:20:20,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:20:20,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:20:20,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:20:20,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:20:20,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:20:20,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:20:20,045 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 [2020-10-14 12:20:20,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:20:20,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:20:20,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:20:20,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:20:20,081 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:20:20,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:20:20,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:20:20,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:20:20,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:20:20,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:20:20,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:20:20,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:20:20,083 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:20:20,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:20:20,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:20:20,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:20:20,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:20:20,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:20:20,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:20:20,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:20:20,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:20:20,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:20:20,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:20:20,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:20:20,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:20:20,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:20:20,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:20:20,086 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 12:20:20,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:20:20,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:20:20,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:20:20,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:20:20,430 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:20:20,430 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-14 12:20:20,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dfa84648/fba27d5f3a8f4060b60667dec9567c7e/FLAG232363737 [2020-10-14 12:20:21,306 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:20:21,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-14 12:20:21,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dfa84648/fba27d5f3a8f4060b60667dec9567c7e/FLAG232363737 [2020-10-14 12:20:21,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dfa84648/fba27d5f3a8f4060b60667dec9567c7e [2020-10-14 12:20:21,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:20:21,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:20:21,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:20:21,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:20:21,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:20:21,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:20:21" (1/1) ... [2020-10-14 12:20:21,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5b00f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:21, skipping insertion in model container [2020-10-14 12:20:21,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:20:21" (1/1) ... [2020-10-14 12:20:21,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:20:21,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:20:23,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:20:23,710 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:20:24,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:20:24,322 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:20:24,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24 WrapperNode [2020-10-14 12:20:24,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:20:24,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:20:24,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:20:24,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:20:24,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (1/1) ... [2020-10-14 12:20:24,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (1/1) ... [2020-10-14 12:20:24,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (1/1) ... [2020-10-14 12:20:24,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (1/1) ... [2020-10-14 12:20:24,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (1/1) ... [2020-10-14 12:20:24,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (1/1) ... [2020-10-14 12:20:24,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (1/1) ... [2020-10-14 12:20:24,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:20:24,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:20:24,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:20:24,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:20:24,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (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 [2020-10-14 12:20:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:20:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:20:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:20:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-14 12:20:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-14 12:20:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-14 12:20:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-14 12:20:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-14 12:20:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-14 12:20:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-14 12:20:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-14 12:20:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-14 12:20:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-14 12:20:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 12:20:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 12:20:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-14 12:20:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-14 12:20:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-14 12:20:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-14 12:20:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 12:20:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:20:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:20:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:20:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 12:20:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:20:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 12:20:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 12:20:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 12:20:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 12:20:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 12:20:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 12:20:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 12:20:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-14 12:20:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-14 12:20:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-14 12:20:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_write_bulk_callback [2020-10-14 12:20:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_free [2020-10-14 12:20:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_setup_firmware [2020-10-14 12:20:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_fw_timeo [2020-10-14 12:20:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_probe [2020-10-14 12:20:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_disconnect [2020-10-14 12:20:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_send_fw_pkt [2020-10-14 12:20:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_reset_device [2020-10-14 12:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_block [2020-10-14 12:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __if_usb_submit_rx_urb [2020-10-14 12:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb_fwload [2020-10-14 12:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb [2020-10-14 12:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive_fwload [2020-10-14 12:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdtypedata [2020-10-14 12:20:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdrequest [2020-10-14 12:20:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive [2020-10-14 12:20:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_host_to_card [2020-10-14 12:20:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_issue_boot_command [2020-10-14 12:20:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fwfile_format [2020-10-14 12:20:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_prog_firmware [2020-10-14 12:20:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_suspend [2020-10-14 12:20:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_resume [2020-10-14 12:20:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_init [2020-10-14 12:20:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_exit [2020-10-14 12:20:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2020-10-14 12:20:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2020-10-14 12:20:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-14 12:20:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-14 12:20:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-14 12:20:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-14 12:20:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2020-10-14 12:20:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-14 12:20:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:20:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_1 [2020-10-14 12:20:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-14 12:20:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_3 [2020-10-14 12:20:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2020-10-14 12:20:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_5 [2020-10-14 12:20:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_6 [2020-10-14 12:20:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_7 [2020-10-14 12:20:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2020-10-14 12:20:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_9 [2020-10-14 12:20:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_11 [2020-10-14 12:20:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2020-10-14 12:20:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2020-10-14 12:20:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2020-10-14 12:20:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_16 [2020-10-14 12:20:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2020-10-14 12:20:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_20 [2020-10-14 12:20:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_21 [2020-10-14 12:20:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-14 12:20:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-14 12:20:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-14 12:20:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-14 12:20:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-14 12:20:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-14 12:20:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-14 12:20:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-14 12:20:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-14 12:20:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-14 12:20:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-14 12:20:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-14 12:20:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-14 12:20:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-14 12:20:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-14 12:20:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-14 12:20:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:20:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-14 12:20:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2020-10-14 12:20:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-14 12:20:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-14 12:20:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-14 12:20:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-14 12:20:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-14 12:20:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-14 12:20:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-14 12:20:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-14 12:20:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2020-10-14 12:20:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_card [2020-10-14 12:20:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_firmware_async [2020-10-14 12:20:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2020-10-14 12:20:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_to_card_done [2020-10-14 12:20:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_notify_command_response [2020-10-14 12:20:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_rxed_packet [2020-10-14 12:20:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_queue_event [2020-10-14 12:20:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_card [2020-10-14 12:20:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2020-10-14 12:20:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_tx_feedback [2020-10-14 12:20:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2020-10-14 12:20:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_card [2020-10-14 12:20:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2020-10-14 12:20:24,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:20:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-14 12:20:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-14 12:20:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-14 12:20:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-14 12:20:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-14 12:20:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:20:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-14 12:20:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-14 12:20:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-14 12:20:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-14 12:20:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 12:20:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-14 12:20:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 12:20:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-14 12:20:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-14 12:20:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:20:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 12:20:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 12:20:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 12:20:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:20:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 12:20:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 12:20:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 12:20:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2020-10-14 12:20:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-14 12:20:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:20:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-14 12:20:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-14 12:20:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-14 12:20:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-14 12:20:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-14 12:20:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-14 12:20:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:20:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-14 12:20:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-14 12:20:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-14 12:20:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-14 12:20:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-14 12:20:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-14 12:20:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-14 12:20:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-14 12:20:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 12:20:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_1 [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_16 [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-14 12:20:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-14 12:20:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-14 12:20:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-14 12:20:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-14 12:20:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:20:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-14 12:20:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-14 12:20:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-14 12:20:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-14 12:20:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_9 [2020-10-14 12:20:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2020-10-14 12:20:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-14 12:20:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_7 [2020-10-14 12:20:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_11 [2020-10-14 12:20:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-14 12:20:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 12:20:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_20 [2020-10-14 12:20:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 12:20:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_21 [2020-10-14 12:20:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2020-10-14 12:20:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_5 [2020-10-14 12:20:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_6 [2020-10-14 12:20:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_3 [2020-10-14 12:20:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2020-10-14 12:20:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2020-10-14 12:20:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2020-10-14 12:20:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-14 12:20:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 12:20:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-14 12:20:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-14 12:20:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-14 12:20:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-14 12:20:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:20:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 12:20:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:20:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:20:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 12:20:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:20:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:20:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 12:20:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 12:20:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:20:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 12:20:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 12:20:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 12:20:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 12:20:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 12:20:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 12:20:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2020-10-14 12:20:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2020-10-14 12:20:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-14 12:20:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-14 12:20:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-14 12:20:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-14 12:20:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2020-10-14 12:20:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-14 12:20:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-14 12:20:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-14 12:20:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-14 12:20:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-14 12:20:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-14 12:20:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:20:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:20:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-14 12:20:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-14 12:20:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-14 12:20:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-14 12:20:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_tx_feedback [2020-10-14 12:20:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_rxed_packet [2020-10-14 12:20:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_card [2020-10-14 12:20:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_card [2020-10-14 12:20:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2020-10-14 12:20:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_card [2020-10-14 12:20:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_to_card_done [2020-10-14 12:20:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2020-10-14 12:20:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2020-10-14 12:20:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_queue_event [2020-10-14 12:20:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_notify_command_response [2020-10-14 12:20:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_firmware_async [2020-10-14 12:20:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2020-10-14 12:20:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_copyback [2020-10-14 12:20:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2020-10-14 12:20:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:20:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive [2020-10-14 12:20:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive_fwload [2020-10-14 12:20:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_prog_firmware [2020-10-14 12:20:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_host_to_card [2020-10-14 12:20:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_block [2020-10-14 12:20:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_free [2020-10-14 12:20:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb [2020-10-14 12:20:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_reset_device [2020-10-14 12:20:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_write_bulk_callback [2020-10-14 12:20:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_setup_firmware [2020-10-14 12:20:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:20:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_fw_timeo [2020-10-14 12:20:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_probe [2020-10-14 12:20:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_disconnect [2020-10-14 12:20:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_send_fw_pkt [2020-10-14 12:20:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 12:20:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure __if_usb_submit_rx_urb [2020-10-14 12:20:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb_fwload [2020-10-14 12:20:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdtypedata [2020-10-14 12:20:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdrequest [2020-10-14 12:20:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_issue_boot_command [2020-10-14 12:20:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 12:20:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure check_fwfile_format [2020-10-14 12:20:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_suspend [2020-10-14 12:20:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_resume [2020-10-14 12:20:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_init [2020-10-14 12:20:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_exit [2020-10-14 12:20:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:20:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:20:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:20:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-14 12:20:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-14 12:20:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-14 12:20:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:20:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-14 12:20:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-14 12:20:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-14 12:20:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-14 12:20:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:20:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:20:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:20:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:20:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:20:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 12:20:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 12:20:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 12:20:24,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 12:20:26,178 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 12:20:32,798 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-14 12:20:34,553 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:20:34,553 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 12:20:34,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:20:34 BoogieIcfgContainer [2020-10-14 12:20:34,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:20:34,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:20:34,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:20:34,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:20:34,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:20:21" (1/3) ... [2020-10-14 12:20:34,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3830086e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:20:34, skipping insertion in model container [2020-10-14 12:20:34,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:24" (2/3) ... [2020-10-14 12:20:34,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3830086e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:20:34, skipping insertion in model container [2020-10-14 12:20:34,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:20:34" (3/3) ... [2020-10-14 12:20:34,587 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-14 12:20:34,603 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:20:34,619 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:20:34,641 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:20:34,686 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:20:34,687 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:20:34,687 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:20:34,687 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:20:34,687 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:20:34,688 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:20:34,688 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:20:34,688 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:20:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states. [2020-10-14 12:20:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 12:20:34,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:20:34,770 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] [2020-10-14 12:20:34,771 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:20:34,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:20:34,779 INFO L82 PathProgramCache]: Analyzing trace with hash -826621277, now seen corresponding path program 1 times [2020-10-14 12:20:34,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:20:34,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404795855] [2020-10-14 12:20:34,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:20:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:36,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:36,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:40,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:40,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 12:20:40,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:20:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5117 [2020-10-14 12:20:40,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:40,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:20:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 12:20:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 12:20:40,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 12:20:48,663 WARN L193 SmtUtils]: Spent 7.44 s on a formula simplification that was a NOOP. DAG size: 1240 [2020-10-14 12:20:48,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:20:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:48,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:50,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:20:50,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:50,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1338 [2020-10-14 12:20:50,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:50,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:50,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:20:50,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:20:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:50,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:50,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:50,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:50,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 12:20:50,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:50,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:50,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:50,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:50,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 12:20:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:50,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:20:50,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:50,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 12:20:50,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:50,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:50,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:50,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 12:20:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 12:20:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:50,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:50,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:50,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:20:50,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 12:20:50,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:50,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:50,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:50,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 12:20:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:50,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:50,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:20:50,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:50,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 12:20:50,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:50,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:50,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 12:20:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:50,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:50,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 12:20:50,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:50,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 12:20:50,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:50,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:50,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 12:20:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:50,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:20:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:50,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:20:50,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 12:20:50,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:50,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:50,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:50,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:20:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:50,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:50,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:50,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:20:50,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:50,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 12:20:50,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:50,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:50,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:50,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 12:20:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:20:50,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404795855] [2020-10-14 12:20:50,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:20:50,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 12:20:50,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910220643] [2020-10-14 12:20:50,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 12:20:50,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:20:50,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 12:20:50,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 12:20:50,771 INFO L87 Difference]: Start difference. First operand 1313 states. Second operand 8 states. [2020-10-14 12:20:58,464 WARN L193 SmtUtils]: Spent 7.60 s on a formula simplification that was a NOOP. DAG size: 1249 [2020-10-14 12:21:09,445 WARN L193 SmtUtils]: Spent 7.33 s on a formula simplification that was a NOOP. DAG size: 1251 [2020-10-14 12:21:17,893 WARN L193 SmtUtils]: Spent 7.11 s on a formula simplification that was a NOOP. DAG size: 1242 [2020-10-14 12:22:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:22:57,992 INFO L93 Difference]: Finished difference Result 4394 states and 6309 transitions. [2020-10-14 12:22:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 12:22:57,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-10-14 12:22:57,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:22:58,051 INFO L225 Difference]: With dead ends: 4394 [2020-10-14 12:22:58,052 INFO L226 Difference]: Without dead ends: 3301 [2020-10-14 12:22:58,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2020-10-14 12:22:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3301 states. [2020-10-14 12:22:59,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3301 to 2015. [2020-10-14 12:22:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2015 states. [2020-10-14 12:22:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 2685 transitions. [2020-10-14 12:22:59,274 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 2685 transitions. Word has length 49 [2020-10-14 12:22:59,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:22:59,274 INFO L479 AbstractCegarLoop]: Abstraction has 2015 states and 2685 transitions. [2020-10-14 12:22:59,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 12:22:59,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2685 transitions. [2020-10-14 12:22:59,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 12:22:59,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:22:59,281 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] [2020-10-14 12:22:59,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:22:59,281 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:22:59,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:22:59,282 INFO L82 PathProgramCache]: Analyzing trace with hash -79544750, now seen corresponding path program 1 times [2020-10-14 12:22:59,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:22:59,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470834675] [2020-10-14 12:22:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:22:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:22:59,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:05,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:05,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 12:23:05,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:05,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5579 [2020-10-14 12:23:05,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:05,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:23:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 12:23:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:23:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:12,476 WARN L193 SmtUtils]: Spent 7.24 s on a formula simplification that was a NOOP. DAG size: 1240 [2020-10-14 12:23:12,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:23:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:12,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:13,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:13,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:23:13,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:13,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1374 [2020-10-14 12:23:13,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:13,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:13,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:13,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:13,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:14,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:23:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:14,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:23:14,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:14,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:14,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 12:23:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:23:14,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:23:14,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:14,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:14,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 12:23:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:14,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 12:23:14,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:23:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 12:23:14,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 12:23:14,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:14,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 12:23:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:23:14,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:23:14,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:23:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:14,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 12:23:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 12:23:14,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 12:23:14,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 12:23:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:14,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:14,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:23:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:23:14,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 12:23:14,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:14,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:14,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:14,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:14,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:23:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:23:14,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:23:14,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:14,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:14,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:23:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:23:14,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:23:14,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:14,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:23:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:14,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:14,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:14,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:14,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:14,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:23:14,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:14,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:14,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:14,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 12:23:14,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470834675] [2020-10-14 12:23:14,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:23:14,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 12:23:14,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776681024] [2020-10-14 12:23:14,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 12:23:14,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:23:14,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 12:23:14,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-14 12:23:14,640 INFO L87 Difference]: Start difference. First operand 2015 states and 2685 transitions. Second operand 10 states. [2020-10-14 12:23:21,999 WARN L193 SmtUtils]: Spent 7.30 s on a formula simplification that was a NOOP. DAG size: 1249 [2020-10-14 12:23:32,129 WARN L193 SmtUtils]: Spent 7.29 s on a formula simplification that was a NOOP. DAG size: 1252 [2020-10-14 12:23:39,540 WARN L193 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 1254