/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 22:14:55,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 22:14:55,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 22:14:55,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 22:14:55,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 22:14:55,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 22:14:55,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 22:14:55,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 22:14:55,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 22:14:55,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 22:14:55,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 22:14:55,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 22:14:55,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 22:14:55,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 22:14:55,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 22:14:55,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 22:14:55,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 22:14:55,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 22:14:55,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 22:14:55,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 22:14:55,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 22:14:55,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 22:14:55,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 22:14:55,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 22:14:55,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 22:14:55,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 22:14:55,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 22:14:55,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 22:14:55,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 22:14:55,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 22:14:55,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 22:14:55,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 22:14:55,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 22:14:55,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 22:14:55,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 22:14:55,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 22:14:55,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 22:14:55,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 22:14:55,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 22:14:55,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 22:14:55,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 22:14:55,302 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 [2020-10-13 22:14:55,343 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 22:14:55,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 22:14:55,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 22:14:55,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 22:14:55,346 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 22:14:55,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 22:14:55,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 22:14:55,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 22:14:55,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 22:14:55,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 22:14:55,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 22:14:55,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 22:14:55,348 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 22:14:55,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 22:14:55,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 22:14:55,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 22:14:55,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 22:14:55,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 22:14:55,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 22:14:55,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 22:14:55,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 22:14:55,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 22:14:55,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 22:14:55,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 22:14:55,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 22:14:55,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 22:14:55,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 22:14:55,352 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 22:14:55,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 22:14:55,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 22:14:55,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 22:14:55,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 22:14:55,641 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 22:14:55,642 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-13 22:14:55,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93a6106c8/5de0b4a82c4b4210a2f82f18d9bdc07f/FLAGd933f130b [2020-10-13 22:14:56,590 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 22:14:56,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-13 22:14:56,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93a6106c8/5de0b4a82c4b4210a2f82f18d9bdc07f/FLAGd933f130b [2020-10-13 22:14:57,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93a6106c8/5de0b4a82c4b4210a2f82f18d9bdc07f [2020-10-13 22:14:57,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 22:14:57,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 22:14:57,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 22:14:57,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 22:14:57,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 22:14:57,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:14:57" (1/1) ... [2020-10-13 22:14:57,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30916ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:14:57, skipping insertion in model container [2020-10-13 22:14:57,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:14:57" (1/1) ... [2020-10-13 22:14:57,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 22:14:57,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 22:14:59,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 22:14:59,560 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 22:15:00,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 22:15:00,438 INFO L208 MainTranslator]: Completed translation [2020-10-13 22:15:00,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00 WrapperNode [2020-10-13 22:15:00,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 22:15:00,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 22:15:00,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 22:15:00,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 22:15:00,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (1/1) ... [2020-10-13 22:15:00,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (1/1) ... [2020-10-13 22:15:00,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (1/1) ... [2020-10-13 22:15:00,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (1/1) ... [2020-10-13 22:15:00,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (1/1) ... [2020-10-13 22:15:00,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (1/1) ... [2020-10-13 22:15:00,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (1/1) ... [2020-10-13 22:15:00,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 22:15:00,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 22:15:00,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 22:15:00,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 22:15:00,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (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 [2020-10-13 22:15:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 22:15:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 22:15:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 22:15:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-13 22:15:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-13 22:15:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-13 22:15:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 22:15:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 22:15:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 22:15:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 22:15:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-13 22:15:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-13 22:15:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 22:15:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 22:15:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 22:15:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 22:15:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 22:15:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 22:15:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 22:15:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-13 22:15:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 22:15:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 22:15:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 22:15:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 22:15:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 22:15:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-13 22:15:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2020-10-13 22:15:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 22:15:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 22:15:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 22:15:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-13 22:15:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-13 22:15:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 22:15:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2020-10-13 22:15:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2020-10-13 22:15:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2020-10-13 22:15:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2020-10-13 22:15:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2020-10-13 22:15:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2020-10-13 22:15:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2020-10-13 22:15:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2020-10-13 22:15:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2020-10-13 22:15:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2020-10-13 22:15:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2020-10-13 22:15:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2020-10-13 22:15:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2020-10-13 22:15:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2020-10-13 22:15:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2020-10-13 22:15:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2020-10-13 22:15:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2020-10-13 22:15:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2020-10-13 22:15:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2020-10-13 22:15:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2020-10-13 22:15:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2020-10-13 22:15:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2020-10-13 22:15:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2020-10-13 22:15:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2020-10-13 22:15:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2020-10-13 22:15:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2020-10-13 22:15:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2020-10-13 22:15:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2020-10-13 22:15:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2020-10-13 22:15:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2020-10-13 22:15:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2020-10-13 22:15:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2020-10-13 22:15:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2020-10-13 22:15:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2020-10-13 22:15:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2020-10-13 22:15:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2020-10-13 22:15:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2020-10-13 22:15:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2020-10-13 22:15:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2020-10-13 22:15:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2020-10-13 22:15:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2020-10-13 22:15:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2020-10-13 22:15:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2020-10-13 22:15:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2020-10-13 22:15:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2020-10-13 22:15:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2020-10-13 22:15:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2020-10-13 22:15:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2020-10-13 22:15:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2020-10-13 22:15:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2020-10-13 22:15:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2020-10-13 22:15:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2020-10-13 22:15:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-13 22:15:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2020-10-13 22:15:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2020-10-13 22:15:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2020-10-13 22:15:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2020-10-13 22:15:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2020-10-13 22:15:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 22:15:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2020-10-13 22:15:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2020-10-13 22:15:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2020-10-13 22:15:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2020-10-13 22:15:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2020-10-13 22:15:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-13 22:15:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-13 22:15:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-13 22:15:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2020-10-13 22:15:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-13 22:15:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2020-10-13 22:15:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2020-10-13 22:15:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_17 [2020-10-13 22:15:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_18 [2020-10-13 22:15:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_19 [2020-10-13 22:15:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_20 [2020-10-13 22:15:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_21 [2020-10-13 22:15:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_22 [2020-10-13 22:15:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_23 [2020-10-13 22:15:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2020-10-13 22:15:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2020-10-13 22:15:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 22:15:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-10-13 22:15:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 22:15:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 22:15:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 22:15:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 22:15:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-10-13 22:15:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-10-13 22:15:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-10-13 22:15:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-10-13 22:15:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-10-13 22:15:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-10-13 22:15:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-10-13 22:15:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-10-13 22:15:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-10-13 22:15:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-10-13 22:15:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-10-13 22:15:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 22:15:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-13 22:15:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-13 22:15:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-13 22:15:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 22:15:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-13 22:15:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-13 22:15:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-10-13 22:15:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-10-13 22:15:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-10-13 22:15:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-10-13 22:15:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 22:15:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 22:15:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 22:15:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 22:15:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 22:15:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 22:15:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 22:15:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-10-13 22:15:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-10-13 22:15:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-10-13 22:15:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-10-13 22:15:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-10-13 22:15:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-10-13 22:15:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-10-13 22:15:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-10-13 22:15:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-10-13 22:15:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-10-13 22:15:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-10-13 22:15:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-10-13 22:15:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-10-13 22:15:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-10-13 22:15:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-10-13 22:15:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 22:15:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-13 22:15:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-13 22:15:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-10-13 22:15:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 22:15:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 22:15:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 22:15:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2020-10-13 22:15:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-13 22:15:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2020-10-13 22:15:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-13 22:15:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 22:15:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-13 22:15:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-13 22:15:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2020-10-13 22:15:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2020-10-13 22:15:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2020-10-13 22:15:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 22:15:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-10-13 22:15:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 22:15:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-13 22:15:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-13 22:15:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 22:15:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2020-10-13 22:15:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-13 22:15:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2020-10-13 22:15:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2020-10-13 22:15:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2020-10-13 22:15:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2020-10-13 22:15:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2020-10-13 22:15:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2020-10-13 22:15:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2020-10-13 22:15:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2020-10-13 22:15:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2020-10-13 22:15:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2020-10-13 22:15:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2020-10-13 22:15:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2020-10-13 22:15:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2020-10-13 22:15:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2020-10-13 22:15:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 22:15:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-13 22:15:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 22:15:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2020-10-13 22:15:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 22:15:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2020-10-13 22:15:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-13 22:15:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 22:15:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 22:15:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-13 22:15:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-13 22:15:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2020-10-13 22:15:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 22:15:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-13 22:15:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-13 22:15:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2020-10-13 22:15:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 22:15:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 22:15:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 22:15:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 22:15:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 22:15:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 22:15:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 22:15:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-13 22:15:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-13 22:15:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 22:15:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-13 22:15:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 22:15:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 22:15:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 22:15:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 22:15:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 22:15:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 22:15:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-10-13 22:15:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-13 22:15:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2020-10-13 22:15:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 22:15:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-13 22:15:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-13 22:15:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2020-10-13 22:15:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 22:15:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 22:15:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 22:15:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 22:15:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 22:15:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 22:15:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 22:15:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 22:15:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 22:15:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 22:15:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-13 22:15:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-13 22:15:01,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 22:15:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 22:15:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 22:15:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 22:15:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-10-13 22:15:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_19 [2020-10-13 22:15:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 22:15:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 22:15:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 22:15:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-10-13 22:15:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-10-13 22:15:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 22:15:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 22:15:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 22:15:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 22:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 22:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-13 22:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-13 22:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-13 22:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2020-10-13 22:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2020-10-13 22:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2020-10-13 22:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2020-10-13 22:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2020-10-13 22:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2020-10-13 22:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2020-10-13 22:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2020-10-13 22:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_21 [2020-10-13 22:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-13 22:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_22 [2020-10-13 22:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 22:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-13 22:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 22:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 22:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 22:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2020-10-13 22:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2020-10-13 22:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-13 22:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2020-10-13 22:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2020-10-13 22:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2020-10-13 22:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2020-10-13 22:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2020-10-13 22:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 22:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 22:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 22:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-13 22:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 22:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-13 22:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-13 22:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2020-10-13 22:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2020-10-13 22:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-13 22:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2020-10-13 22:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 22:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 22:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 22:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_18 [2020-10-13 22:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-13 22:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2020-10-13 22:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2020-10-13 22:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 22:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2020-10-13 22:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 22:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2020-10-13 22:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-13 22:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 22:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 22:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-13 22:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 22:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 22:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 22:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2020-10-13 22:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 22:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-13 22:15:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 22:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-13 22:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-13 22:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-13 22:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2020-10-13 22:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-13 22:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 22:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2020-10-13 22:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2020-10-13 22:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2020-10-13 22:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2020-10-13 22:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2020-10-13 22:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2020-10-13 22:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2020-10-13 22:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2020-10-13 22:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2020-10-13 22:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2020-10-13 22:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2020-10-13 22:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2020-10-13 22:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2020-10-13 22:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2020-10-13 22:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_20 [2020-10-13 22:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2020-10-13 22:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_17 [2020-10-13 22:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2020-10-13 22:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2020-10-13 22:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_23 [2020-10-13 22:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2020-10-13 22:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2020-10-13 22:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2020-10-13 22:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2020-10-13 22:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2020-10-13 22:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2020-10-13 22:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2020-10-13 22:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2020-10-13 22:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2020-10-13 22:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2020-10-13 22:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2020-10-13 22:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2020-10-13 22:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2020-10-13 22:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2020-10-13 22:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2020-10-13 22:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2020-10-13 22:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2020-10-13 22:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2020-10-13 22:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2020-10-13 22:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 22:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2020-10-13 22:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 22:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2020-10-13 22:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2020-10-13 22:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2020-10-13 22:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2020-10-13 22:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2020-10-13 22:15:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2020-10-13 22:15:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2020-10-13 22:15:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2020-10-13 22:15:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2020-10-13 22:15:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2020-10-13 22:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2020-10-13 22:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2020-10-13 22:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2020-10-13 22:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2020-10-13 22:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2020-10-13 22:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2020-10-13 22:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2020-10-13 22:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2020-10-13 22:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2020-10-13 22:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2020-10-13 22:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2020-10-13 22:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2020-10-13 22:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2020-10-13 22:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2020-10-13 22:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2020-10-13 22:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2020-10-13 22:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2020-10-13 22:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2020-10-13 22:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 22:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 22:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 22:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 22:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-10-13 22:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 22:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 22:15:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 22:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 22:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-10-13 22:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-10-13 22:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-10-13 22:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-10-13 22:15:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-10-13 22:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-10-13 22:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-10-13 22:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-10-13 22:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-10-13 22:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 22:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 22:15:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 22:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 22:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 22:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-10-13 22:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-10-13 22:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-10-13 22:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-10-13 22:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-10-13 22:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 22:15:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 22:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 22:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 22:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 22:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 22:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 22:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 22:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 22:15:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 22:15:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 22:15:02,561 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 22:15:09,660 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 22:15:09,660 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 22:15:09,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:15:09 BoogieIcfgContainer [2020-10-13 22:15:09,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 22:15:09,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 22:15:09,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 22:15:09,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 22:15:09,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:14:57" (1/3) ... [2020-10-13 22:15:09,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e67eb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:15:09, skipping insertion in model container [2020-10-13 22:15:09,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:15:00" (2/3) ... [2020-10-13 22:15:09,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e67eb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:15:09, skipping insertion in model container [2020-10-13 22:15:09,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:15:09" (3/3) ... [2020-10-13 22:15:09,685 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-13 22:15:09,695 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 22:15:09,707 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 22:15:09,721 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 22:15:09,758 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 22:15:09,758 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 22:15:09,758 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 22:15:09,758 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 22:15:09,759 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 22:15:09,759 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 22:15:09,759 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 22:15:09,759 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 22:15:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states. [2020-10-13 22:15:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-13 22:15:09,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:15:09,850 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] [2020-10-13 22:15:09,851 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:15:09,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:15:09,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1152341779, now seen corresponding path program 1 times [2020-10-13 22:15:09,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:15:09,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819769726] [2020-10-13 22:15:09,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:15:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:10,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:11,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:11,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:11,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:16,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:16,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 22:15:16,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 22:15:16,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5542 [2020-10-13 22:15:16,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-13 22:15:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:16,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 22:15:18,642 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-13 22:15:18,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:15:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:18,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:19,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:15:19,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:19,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-10-13 22:15:19,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:19,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:19,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:19,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:19,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:19,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:15:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:19,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:19,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:15:19,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:15:19,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 22:15:19,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:19,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:15:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:19,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:15:19,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 22:15:19,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:19,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:19,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:15:19,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:15:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:19,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:19,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:15:19,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:15:19,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 22:15:19,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:19,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:19,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:19,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:19,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:15:19,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 22:15:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:19,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:19,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:15:19,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:15:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 22:15:19,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:19,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 22:15:19,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:19,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:15:19,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:15:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:19,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:19,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:15:19,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:19,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 22:15:19,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:19,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:15:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:19,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:19,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:19,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:15:19,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 22:15:19,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 22:15:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:19,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:19,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 22:15:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:15:20,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 22:15:20,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 22:15:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:20,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:15:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:15:20,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 22:15:20,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:20,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:15:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:15:20,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:15:20,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 22:15:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:20,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 22:15:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:15:20,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:15:20,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 22:15:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:20,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 22:15:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:15:20,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:15:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-13 22:15:20,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:15:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:20,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:15:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:15:20,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 22:15:20,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:20,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 22:15:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:15:20,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 22:15:20,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:15:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:15:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 22:15:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 22:15:20,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 22:15:20,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 22:15:20,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:15:20,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:15:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 22:15:20,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 22:15:20,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:15:20,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:15:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:15:20,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:15:20,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:15:20,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:15:20,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:15:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 22:15:20,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:15:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:15:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:15:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:15:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:15:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-13 22:15:20,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819769726] [2020-10-13 22:15:20,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 22:15:20,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 22:15:20,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685282002] [2020-10-13 22:15:20,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 22:15:20,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:15:20,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 22:15:20,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 22:15:20,656 INFO L87 Difference]: Start difference. First operand 1652 states. Second operand 8 states. [2020-10-13 22:15:22,875 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 718 [2020-10-13 22:16:10,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 22:16:10,141 INFO L93 Difference]: Finished difference Result 3572 states and 5096 transitions. [2020-10-13 22:16:10,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 22:16:10,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-10-13 22:16:10,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 22:16:10,192 INFO L225 Difference]: With dead ends: 3572 [2020-10-13 22:16:10,192 INFO L226 Difference]: Without dead ends: 2181 [2020-10-13 22:16:10,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-10-13 22:16:10,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-10-13 22:16:10,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 1368. [2020-10-13 22:16:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-10-13 22:16:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1800 transitions. [2020-10-13 22:16:10,869 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1800 transitions. Word has length 96 [2020-10-13 22:16:10,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 22:16:10,870 INFO L479 AbstractCegarLoop]: Abstraction has 1368 states and 1800 transitions. [2020-10-13 22:16:10,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 22:16:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1800 transitions. [2020-10-13 22:16:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-13 22:16:10,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:16:10,876 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] [2020-10-13 22:16:10,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 22:16:10,876 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:16:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:16:10,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1607194855, now seen corresponding path program 1 times [2020-10-13 22:16:10,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:16:10,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755003995] [2020-10-13 22:16:10,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:16:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:11,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:11,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:17,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:17,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 22:16:17,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:16:17,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5912 [2020-10-13 22:16:17,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 22:16:17,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 22:16:17,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 22:16:17,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:16:19,209 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-13 22:16:19,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:16:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:19,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:16:20,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-13 22:16:20,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:16:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:16:20,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 22:16:20,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:16:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:16:20,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:16:20,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:16:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:16:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:16:20,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:16:20,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 22:16:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:16:20,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 22:16:20,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 22:16:20,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:16:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:16:20,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 22:16:20,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 22:16:20,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:16:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:16:20,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:16:20,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 22:16:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:16:20,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 22:16:20,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:16:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:16:20,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:16:20,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:16:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:16:20,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:16:20,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 22:16:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:16:20,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:16:20,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 22:16:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:16:20,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:16:20,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 22:16:20,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:16:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:16:20,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 22:16:20,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 22:16:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:16:20,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 22:16:20,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 22:16:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 22:16:20,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 22:16:20,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 22:16:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:16:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 22:16:20,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:16:20,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:16:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:16:20,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:16:20,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:16:20,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:16:20,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:16:20,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:16:20,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:16:20,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:16:20,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:16:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:16:20,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:16:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-13 22:16:20,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755003995] [2020-10-13 22:16:20,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 22:16:20,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 22:16:20,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486094165] [2020-10-13 22:16:20,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 22:16:20,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:16:20,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 22:16:20,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 22:16:20,894 INFO L87 Difference]: Start difference. First operand 1368 states and 1800 transitions. Second operand 9 states. [2020-10-13 22:16:23,093 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 718 [2020-10-13 22:16:28,277 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 720 [2020-10-13 22:16:30,567 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 711 [2020-10-13 22:17:59,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 22:17:59,593 INFO L93 Difference]: Finished difference Result 4311 states and 6199 transitions. [2020-10-13 22:17:59,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 22:17:59,594 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-10-13 22:17:59,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 22:17:59,628 INFO L225 Difference]: With dead ends: 4311 [2020-10-13 22:17:59,628 INFO L226 Difference]: Without dead ends: 4287 [2020-10-13 22:17:59,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2020-10-13 22:17:59,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4287 states. [2020-10-13 22:18:00,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4287 to 2660. [2020-10-13 22:18:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2660 states. [2020-10-13 22:18:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3515 transitions. [2020-10-13 22:18:00,702 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3515 transitions. Word has length 96 [2020-10-13 22:18:00,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 22:18:00,703 INFO L479 AbstractCegarLoop]: Abstraction has 2660 states and 3515 transitions. [2020-10-13 22:18:00,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 22:18:00,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3515 transitions. [2020-10-13 22:18:00,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-13 22:18:00,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:18:00,712 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, 1, 1] [2020-10-13 22:18:00,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 22:18:00,712 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:18:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:18:00,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1650042973, now seen corresponding path program 1 times [2020-10-13 22:18:00,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:18:00,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107685749] [2020-10-13 22:18:00,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:18:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:01,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:01,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:06,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:06,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 22:18:06,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:18:06,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5440 [2020-10-13 22:18:06,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:06,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 22:18:06,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 22:18:06,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 22:18:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:08,553 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-13 22:18:08,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:18:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:08,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:09,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:09,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:18:09,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1121 [2020-10-13 22:18:09,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:09,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:09,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:18:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:09,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:09,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:09,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:18:09,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:09,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 22:18:09,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:09,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:09,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:09,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:09,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:18:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:09,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:09,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:09,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:18:09,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:18:09,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:09,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:09,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:18:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:09,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:09,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:09,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:18:09,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:09,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:18:09,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:09,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:09,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 22:18:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:09,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:09,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:18:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 22:18:09,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:09,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:18:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:09,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:09,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:09,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:18:09,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:18:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:09,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:18:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:09,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:09,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:09,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:18:09,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:09,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:18:09,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:18:09,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 22:18:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:10,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:10,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:18:10,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:10,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 22:18:10,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:10,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:10,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:18:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:10,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:10,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:18:10,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:18:10,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:10,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:18:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:10,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:10,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:18:10,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:18:10,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:18:10,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 22:18:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:10,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:10,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:18:10,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:10,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:18:10,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:10,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:10,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:10,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:10,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 22:18:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:10,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:10,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:18:10,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:18:10,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 22:18:10,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:10,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:10,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:18:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:10,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:10,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:18:10,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:10,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:18:10,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:10,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:10,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:10,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:10,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:10,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 22:18:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:10,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:10,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:18:10,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:10,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:18:10,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:18:10,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:10,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:10,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 22:18:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:18:10,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:18:10,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:18:10,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:18:10,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:18:10,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:18:10,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:18:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:18:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:18:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:18:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:18:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-13 22:18:10,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107685749] [2020-10-13 22:18:10,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 22:18:10,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 22:18:10,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245543374] [2020-10-13 22:18:10,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 22:18:10,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:18:10,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 22:18:10,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 22:18:10,334 INFO L87 Difference]: Start difference. First operand 2660 states and 3515 transitions. Second operand 8 states. [2020-10-13 22:18:12,947 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 718 [2020-10-13 22:18:18,158 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 720 [2020-10-13 22:18:21,761 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 711