/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=DEEPEST --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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 07:39:06,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 07:39:06,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 07:39:06,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 07:39:06,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 07:39:06,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 07:39:06,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 07:39:06,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 07:39:06,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 07:39:06,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 07:39:06,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 07:39:06,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 07:39:06,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 07:39:06,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 07:39:06,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 07:39:06,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 07:39:06,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 07:39:06,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 07:39:06,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 07:39:06,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 07:39:06,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 07:39:06,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 07:39:06,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 07:39:06,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 07:39:06,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 07:39:06,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 07:39:06,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 07:39:06,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 07:39:06,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 07:39:06,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 07:39:06,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 07:39:06,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 07:39:06,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 07:39:06,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 07:39:06,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 07:39:06,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 07:39:06,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 07:39:06,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 07:39:06,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 07:39:06,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 07:39:06,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 07:39:06,997 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 07:39:07,052 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 07:39:07,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 07:39:07,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 07:39:07,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 07:39:07,056 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 07:39:07,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 07:39:07,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 07:39:07,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 07:39:07,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 07:39:07,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 07:39:07,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 07:39:07,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 07:39:07,059 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 07:39:07,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 07:39:07,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 07:39:07,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 07:39:07,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 07:39:07,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 07:39:07,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 07:39:07,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 07:39:07,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 07:39:07,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 07:39:07,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 07:39:07,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 07:39:07,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 07:39:07,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 07:39:07,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 07:39:07,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 07:39:07,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 07:39:07,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 07:39:07,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 07:39:07,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 07:39:07,511 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 07:39:07,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-28 07:39:07,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a9d66705/1d9fe961d81e42c48c2ea47b56ade31a/FLAGf26a56ec0 [2020-10-28 07:39:08,716 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 07:39:08,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-28 07:39:08,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a9d66705/1d9fe961d81e42c48c2ea47b56ade31a/FLAGf26a56ec0 [2020-10-28 07:39:09,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a9d66705/1d9fe961d81e42c48c2ea47b56ade31a [2020-10-28 07:39:09,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 07:39:09,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 07:39:09,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 07:39:09,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 07:39:09,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 07:39:09,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:39:09" (1/1) ... [2020-10-28 07:39:09,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbe1bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:09, skipping insertion in model container [2020-10-28 07:39:09,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:39:09" (1/1) ... [2020-10-28 07:39:09,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 07:39:09,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 07:39:11,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 07:39:11,437 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 07:39:11,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 07:39:12,225 INFO L208 MainTranslator]: Completed translation [2020-10-28 07:39:12,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12 WrapperNode [2020-10-28 07:39:12,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 07:39:12,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 07:39:12,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 07:39:12,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 07:39:12,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (1/1) ... [2020-10-28 07:39:12,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (1/1) ... [2020-10-28 07:39:12,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (1/1) ... [2020-10-28 07:39:12,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (1/1) ... [2020-10-28 07:39:12,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (1/1) ... [2020-10-28 07:39:12,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (1/1) ... [2020-10-28 07:39:12,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (1/1) ... [2020-10-28 07:39:12,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 07:39:12,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 07:39:12,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 07:39:12,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 07:39:12,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 07:39:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 07:39:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 07:39:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 07:39:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 07:39:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-28 07:39:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-28 07:39:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-28 07:39:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 07:39:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 07:39:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 07:39:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 07:39:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-28 07:39:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-28 07:39:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 07:39:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 07:39:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 07:39:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 07:39:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 07:39:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 07:39:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-28 07:39:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-28 07:39:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 07:39:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 07:39:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 07:39:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 07:39:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 07:39:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-28 07:39:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2020-10-28 07:39:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-28 07:39:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-28 07:39:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 07:39:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-28 07:39:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-28 07:39:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 07:39:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2020-10-28 07:39:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2020-10-28 07:39:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2020-10-28 07:39:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2020-10-28 07:39:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2020-10-28 07:39:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2020-10-28 07:39:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2020-10-28 07:39:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2020-10-28 07:39:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2020-10-28 07:39:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2020-10-28 07:39:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2020-10-28 07:39:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2020-10-28 07:39:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2020-10-28 07:39:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2020-10-28 07:39:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2020-10-28 07:39:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2020-10-28 07:39:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2020-10-28 07:39:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2020-10-28 07:39:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2020-10-28 07:39:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2020-10-28 07:39:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2020-10-28 07:39:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2020-10-28 07:39:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2020-10-28 07:39:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2020-10-28 07:39:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2020-10-28 07:39:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2020-10-28 07:39:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2020-10-28 07:39:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2020-10-28 07:39:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2020-10-28 07:39:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2020-10-28 07:39:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2020-10-28 07:39:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2020-10-28 07:39:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2020-10-28 07:39:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2020-10-28 07:39:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2020-10-28 07:39:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2020-10-28 07:39:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2020-10-28 07:39:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2020-10-28 07:39:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2020-10-28 07:39:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2020-10-28 07:39:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2020-10-28 07:39:12,776 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2020-10-28 07:39:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2020-10-28 07:39:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2020-10-28 07:39:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2020-10-28 07:39:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2020-10-28 07:39:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2020-10-28 07:39:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2020-10-28 07:39:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2020-10-28 07:39:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2020-10-28 07:39:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2020-10-28 07:39:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2020-10-28 07:39:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-28 07:39:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2020-10-28 07:39:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2020-10-28 07:39:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2020-10-28 07:39:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2020-10-28 07:39:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2020-10-28 07:39:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 07:39:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2020-10-28 07:39:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2020-10-28 07:39:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2020-10-28 07:39:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2020-10-28 07:39:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2020-10-28 07:39:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-28 07:39:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-28 07:39:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-28 07:39:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2020-10-28 07:39:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-28 07:39:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2020-10-28 07:39:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2020-10-28 07:39:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_17 [2020-10-28 07:39:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_18 [2020-10-28 07:39:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_19 [2020-10-28 07:39:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_20 [2020-10-28 07:39:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_21 [2020-10-28 07:39:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_22 [2020-10-28 07:39:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_23 [2020-10-28 07:39:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2020-10-28 07:39:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2020-10-28 07:39:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 07:39:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-10-28 07:39:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 07:39:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 07:39:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 07:39:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 07:39:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-10-28 07:39:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-10-28 07:39:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-10-28 07:39:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-10-28 07:39:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-10-28 07:39:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-10-28 07:39:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-10-28 07:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-10-28 07:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-10-28 07:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-10-28 07:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-10-28 07:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 07:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 07:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 07:39:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 07:39:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 07:39:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 07:39:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 07:39:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-10-28 07:39:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-10-28 07:39:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-10-28 07:39:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-10-28 07:39:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 07:39:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 07:39:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 07:39:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 07:39:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 07:39:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 07:39:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 07:39:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-10-28 07:39:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-10-28 07:39:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-10-28 07:39:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-10-28 07:39:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-10-28 07:39:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-10-28 07:39:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-10-28 07:39:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-10-28 07:39:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-10-28 07:39:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-10-28 07:39:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-10-28 07:39:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-10-28 07:39:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-10-28 07:39:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-10-28 07:39:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-10-28 07:39:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 07:39:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-28 07:39:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-28 07:39:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-10-28 07:39:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 07:39:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 07:39:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 07:39:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2020-10-28 07:39:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-28 07:39:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2020-10-28 07:39:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-28 07:39:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 07:39:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-28 07:39:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-28 07:39:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2020-10-28 07:39:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2020-10-28 07:39:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2020-10-28 07:39:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 07:39:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-10-28 07:39:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-28 07:39:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 07:39:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 07:39:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 07:39:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2020-10-28 07:39:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-28 07:39:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2020-10-28 07:39:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2020-10-28 07:39:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2020-10-28 07:39:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2020-10-28 07:39:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2020-10-28 07:39:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2020-10-28 07:39:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 07:39:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-28 07:39:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 07:39:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2020-10-28 07:39:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 07:39:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2020-10-28 07:39:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-28 07:39:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 07:39:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 07:39:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-28 07:39:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-28 07:39:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2020-10-28 07:39:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 07:39:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-28 07:39:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-28 07:39:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2020-10-28 07:39:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 07:39:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 07:39:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 07:39:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 07:39:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 07:39:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 07:39:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 07:39:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 07:39:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 07:39:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 07:39:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 07:39:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 07:39:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 07:39:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 07:39:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 07:39:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 07:39:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 07:39:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 07:39:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 07:39:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 07:39:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 07:39:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 07:39:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-28 07:39:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-28 07:39:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 07:39:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 07:39:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 07:39:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 07:39:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-10-28 07:39:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_19 [2020-10-28 07:39:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 07:39:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-28 07:39:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-28 07:39:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2020-10-28 07:39:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-10-28 07:39:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-10-28 07:39:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 07:39:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 07:39:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 07:39:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 07:39:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 07:39:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-10-28 07:39:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-10-28 07:39:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 07:39:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 07:39:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 07:39:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 07:39:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 07:39:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-28 07:39:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-28 07:39:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-28 07:39:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2020-10-28 07:39:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2020-10-28 07:39:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2020-10-28 07:39:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2020-10-28 07:39:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2020-10-28 07:39:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2020-10-28 07:39:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2020-10-28 07:39:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2020-10-28 07:39:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_21 [2020-10-28 07:39:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-28 07:39:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_22 [2020-10-28 07:39:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-28 07:39:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-28 07:39:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 07:39:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 07:39:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 07:39:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2020-10-28 07:39:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2020-10-28 07:39:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-28 07:39:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-28 07:39:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-28 07:39:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_18 [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2020-10-28 07:39:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-28 07:39:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2020-10-28 07:39:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2020-10-28 07:39:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2020-10-28 07:39:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2020-10-28 07:39:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2020-10-28 07:39:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2020-10-28 07:39:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2020-10-28 07:39:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2020-10-28 07:39:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2020-10-28 07:39:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_20 [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_17 [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2020-10-28 07:39:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_23 [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2020-10-28 07:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2020-10-28 07:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2020-10-28 07:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2020-10-28 07:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 07:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2020-10-28 07:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 07:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2020-10-28 07:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2020-10-28 07:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2020-10-28 07:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2020-10-28 07:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2020-10-28 07:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2020-10-28 07:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2020-10-28 07:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2020-10-28 07:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2020-10-28 07:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2020-10-28 07:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2020-10-28 07:39:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2020-10-28 07:39:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2020-10-28 07:39:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2020-10-28 07:39:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2020-10-28 07:39:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2020-10-28 07:39:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2020-10-28 07:39:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2020-10-28 07:39:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2020-10-28 07:39:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2020-10-28 07:39:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2020-10-28 07:39:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2020-10-28 07:39:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2020-10-28 07:39:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2020-10-28 07:39:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2020-10-28 07:39:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2020-10-28 07:39:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2020-10-28 07:39:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2020-10-28 07:39:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 07:39:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 07:39:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 07:39:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 07:39:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-10-28 07:39:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-10-28 07:39:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 07:39:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-10-28 07:39:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-10-28 07:39:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-10-28 07:39:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-10-28 07:39:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 07:39:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 07:39:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 07:39:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 07:39:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-10-28 07:39:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 07:39:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 07:39:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 07:39:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 07:39:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 07:39:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 07:39:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 07:39:14,084 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 07:39:21,870 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 07:39:21,871 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 07:39:21,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:39:21 BoogieIcfgContainer [2020-10-28 07:39:21,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 07:39:21,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 07:39:21,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 07:39:21,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 07:39:21,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:39:09" (1/3) ... [2020-10-28 07:39:21,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548b947c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:39:21, skipping insertion in model container [2020-10-28 07:39:21,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:39:12" (2/3) ... [2020-10-28 07:39:21,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548b947c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:39:21, skipping insertion in model container [2020-10-28 07:39:21,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:39:21" (3/3) ... [2020-10-28 07:39:21,888 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-28 07:39:21,900 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 07:39:21,907 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 07:39:21,919 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 07:39:21,955 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 07:39:21,955 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 07:39:21,955 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 07:39:21,955 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 07:39:21,956 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 07:39:21,956 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 07:39:21,956 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 07:39:21,956 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 07:39:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states. [2020-10-28 07:39:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-28 07:39:22,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 07:39:22,022 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 07:39:22,023 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 07:39:22,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 07:39:22,029 INFO L82 PathProgramCache]: Analyzing trace with hash -645422999, now seen corresponding path program 1 times [2020-10-28 07:39:22,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 07:39:22,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632413174] [2020-10-28 07:39:22,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 07:39:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:22,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:23,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:23,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:24,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:27,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:27,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 07:39:27,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 07:39:27,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-28 07:39:27,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 07:39:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-28 07:39:27,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 07:39:27,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 07:39:31,069 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-28 07:39:31,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 07:39:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:31,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:31,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:31,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:39:31,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:31,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-28 07:39:31,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:31,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:31,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:39:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:31,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:39:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:39:32,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 07:39:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 07:39:32,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 07:39:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 07:39:32,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:39:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:39:32,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 07:39:32,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:39:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 07:39:32,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:39:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:39:32,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 07:39:32,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 07:39:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 07:39:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:39:32,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 07:39:32,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 07:39:32,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 07:39:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:39:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:39:32,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 07:39:32,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:39:32,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 07:39:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:39:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:39:32,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 07:39:32,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 07:39:32,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 07:39:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:39:32,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 07:39:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 07:39:32,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 07:39:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:39:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:39:32,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 07:39:32,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:39:32,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:39:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:39:32,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 07:39:32,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 07:39:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 07:39:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 07:39:32,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 07:39:32,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:39:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 07:39:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 07:39:32,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-28 07:39:32,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 07:39:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 07:39:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 07:39:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:32,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:39:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:32,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:32,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:32,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:39:32,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:32,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 07:39:32,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:32,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 07:39:32,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:39:32,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 07:39:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:33,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 07:39:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:33,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:33,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:33,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:39:33,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:33,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 07:39:33,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 07:39:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:33,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 07:39:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:33,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:33,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:33,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 07:39:33,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 07:39:33,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 07:39:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:33,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:33,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 07:39:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:33,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:33,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:33,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 07:39:33,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:33,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 07:39:33,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:39:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:33,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 07:39:33,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:39:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:39:33,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:39:33,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:39:33,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:39:33,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:39:33,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 07:39:33,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:39:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:39:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:39:33,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:39:33,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:39:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 07:39:33,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632413174] [2020-10-28 07:39:33,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 07:39:33,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 07:39:33,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961393124] [2020-10-28 07:39:33,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 07:39:33,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 07:39:33,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 07:39:33,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 07:39:33,265 INFO L87 Difference]: Start difference. First operand 1656 states. Second operand 12 states. [2020-10-28 07:39:36,476 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-28 07:39:42,740 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 743 [2020-10-28 07:39:45,991 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-28 07:39:49,370 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-28 07:39:52,985 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification that was a NOOP. DAG size: 747 [2020-10-28 07:39:56,445 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 734 [2020-10-28 07:41:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 07:41:16,048 INFO L93 Difference]: Finished difference Result 3576 states and 5105 transitions. [2020-10-28 07:41:16,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 07:41:16,054 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2020-10-28 07:41:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 07:41:16,102 INFO L225 Difference]: With dead ends: 3576 [2020-10-28 07:41:16,102 INFO L226 Difference]: Without dead ends: 2176 [2020-10-28 07:41:16,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2020-10-28 07:41:16,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2020-10-28 07:41:17,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 1371. [2020-10-28 07:41:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2020-10-28 07:41:17,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1803 transitions. [2020-10-28 07:41:17,022 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1803 transitions. Word has length 98 [2020-10-28 07:41:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 07:41:17,023 INFO L481 AbstractCegarLoop]: Abstraction has 1371 states and 1803 transitions. [2020-10-28 07:41:17,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 07:41:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1803 transitions. [2020-10-28 07:41:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 07:41:17,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 07:41:17,032 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 07:41:17,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 07:41:17,032 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 07:41:17,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 07:41:17,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1274271725, now seen corresponding path program 1 times [2020-10-28 07:41:17,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 07:41:17,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860852951] [2020-10-28 07:41:17,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 07:41:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:17,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:17,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:23,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:23,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 07:41:23,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 07:41:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5929 [2020-10-28 07:41:23,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 07:41:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-28 07:41:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 07:41:23,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:26,536 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-28 07:41:26,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 07:41:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:41:28,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1895 [2020-10-28 07:41:28,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:28,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:41:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:41:28,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 07:41:28,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 07:41:28,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:41:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:41:28,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 07:41:28,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 07:41:28,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:41:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:41:28,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 07:41:28,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:28,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 07:41:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:41:28,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 07:41:28,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:28,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:41:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:41:28,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 07:41:28,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 07:41:28,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:41:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:41:28,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 07:41:28,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 07:41:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:41:28,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 07:41:28,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:28,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:41:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:41:28,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 07:41:28,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:28,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:41:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:41:28,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 07:41:28,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:28,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 07:41:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 07:41:28,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 07:41:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:28,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 07:41:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:28,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:28,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:28,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 07:41:28,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 07:41:28,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-28 07:41:28,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:28,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 07:41:28,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 07:41:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 07:41:28,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:29,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:41:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:29,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:29,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:29,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 07:41:29,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 07:41:29,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 07:41:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 07:41:29,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:29,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 07:41:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:29,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:29,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:41:29,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:29,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 07:41:29,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:29,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:29,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 07:41:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:29,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:29,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 07:41:29,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:29,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 07:41:29,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 07:41:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:29,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:29,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 07:41:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:29,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:29,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:29,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 07:41:29,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:29,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 07:41:29,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:29,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:29,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:29,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:29,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:29,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:41:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:41:29,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:41:29,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:41:29,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:41:29,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:41:29,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 07:41:29,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:41:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:41:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:41:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:41:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:41:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 07:41:29,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860852951] [2020-10-28 07:41:29,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 07:41:29,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 07:41:29,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140356140] [2020-10-28 07:41:29,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 07:41:29,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 07:41:29,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 07:41:29,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-28 07:41:29,471 INFO L87 Difference]: Start difference. First operand 1371 states and 1803 transitions. Second operand 14 states. [2020-10-28 07:41:32,706 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-28 07:41:38,912 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 736 [2020-10-28 07:41:42,265 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 734 [2020-10-28 07:41:45,519 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 726 [2020-10-28 07:41:48,815 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 727 [2020-10-28 07:41:52,197 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification that was a NOOP. DAG size: 729 [2020-10-28 07:41:55,484 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 727 [2020-10-28 07:41:59,192 WARN L193 SmtUtils]: Spent 3.38 s on a formula simplification that was a NOOP. DAG size: 732 [2020-10-28 07:42:03,521 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 723 [2020-10-28 07:43:01,351 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification that was a NOOP. DAG size: 736