/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 13:43:41,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 13:43:41,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 13:43:41,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 13:43:41,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 13:43:41,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 13:43:41,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 13:43:41,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 13:43:41,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 13:43:41,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 13:43:41,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 13:43:41,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 13:43:41,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 13:43:41,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 13:43:41,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 13:43:41,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 13:43:41,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 13:43:41,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 13:43:41,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 13:43:41,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 13:43:41,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 13:43:41,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 13:43:41,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 13:43:41,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 13:43:41,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 13:43:41,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 13:43:41,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 13:43:41,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 13:43:41,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 13:43:41,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 13:43:41,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 13:43:41,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 13:43:41,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 13:43:41,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 13:43:41,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 13:43:41,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 13:43:41,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 13:43:41,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 13:43:41,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 13:43:41,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 13:43:41,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 13:43:41,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 13:43:41,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 13:43:41,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 13:43:41,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 13:43:41,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 13:43:41,527 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 13:43:41,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 13:43:41,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 13:43:41,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 13:43:41,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 13:43:41,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 13:43:41,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 13:43:41,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 13:43:41,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 13:43:41,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 13:43:41,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 13:43:41,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 13:43:41,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 13:43:41,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 13:43:41,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 13:43:41,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 13:43:41,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 13:43:41,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 13:43:41,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 13:43:41,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 13:43:41,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 13:43:41,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 13:43:41,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 13:43:41,532 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 13:43:41,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 13:43:41,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 13:43:41,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 13:43:41,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 13:43:41,949 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 13:43:41,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-27 13:43:42,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c76fe0123/e509e9841cde4c5582baf7f6cb9d77b3/FLAG7f430b258 [2020-10-27 13:43:43,021 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 13:43:43,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-27 13:43:43,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c76fe0123/e509e9841cde4c5582baf7f6cb9d77b3/FLAG7f430b258 [2020-10-27 13:43:43,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c76fe0123/e509e9841cde4c5582baf7f6cb9d77b3 [2020-10-27 13:43:43,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 13:43:43,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 13:43:43,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 13:43:43,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 13:43:43,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 13:43:43,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:43:43" (1/1) ... [2020-10-27 13:43:43,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34da8c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:43, skipping insertion in model container [2020-10-27 13:43:43,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:43:43" (1/1) ... [2020-10-27 13:43:43,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 13:43:43,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 13:43:45,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:43:45,325 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 13:43:45,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:43:46,056 INFO L208 MainTranslator]: Completed translation [2020-10-27 13:43:46,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46 WrapperNode [2020-10-27 13:43:46,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 13:43:46,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 13:43:46,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 13:43:46,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 13:43:46,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (1/1) ... [2020-10-27 13:43:46,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (1/1) ... [2020-10-27 13:43:46,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (1/1) ... [2020-10-27 13:43:46,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (1/1) ... [2020-10-27 13:43:46,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (1/1) ... [2020-10-27 13:43:46,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (1/1) ... [2020-10-27 13:43:46,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (1/1) ... [2020-10-27 13:43:46,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 13:43:46,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 13:43:46,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 13:43:46,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 13:43:46,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 13:43:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 13:43:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 13:43:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 13:43:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 13:43:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-27 13:43:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-27 13:43:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-27 13:43:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 13:43:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 13:43:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 13:43:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-27 13:43:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-27 13:43:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 13:43:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 13:43:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 13:43:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 13:43:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-27 13:43:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 13:43:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2020-10-27 13:43:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-27 13:43:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-27 13:43:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 13:43:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 13:43:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2020-10-27 13:43:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-27 13:43:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2020-10-27 13:43:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-27 13:43:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-27 13:43:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 13:43:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-27 13:43:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-27 13:43:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 13:43:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2020-10-27 13:43:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2020-10-27 13:43:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2020-10-27 13:43:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2020-10-27 13:43:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2020-10-27 13:43:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2020-10-27 13:43:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2020-10-27 13:43:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2020-10-27 13:43:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2020-10-27 13:43:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2020-10-27 13:43:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2020-10-27 13:43:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2020-10-27 13:43:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2020-10-27 13:43:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2020-10-27 13:43:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2020-10-27 13:43:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2020-10-27 13:43:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2020-10-27 13:43:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2020-10-27 13:43:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2020-10-27 13:43:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2020-10-27 13:43:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2020-10-27 13:43:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2020-10-27 13:43:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2020-10-27 13:43:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2020-10-27 13:43:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2020-10-27 13:43:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2020-10-27 13:43:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2020-10-27 13:43:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2020-10-27 13:43:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2020-10-27 13:43:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2020-10-27 13:43:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2020-10-27 13:43:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2020-10-27 13:43:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2020-10-27 13:43:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2020-10-27 13:43:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2020-10-27 13:43:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2020-10-27 13:43:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2020-10-27 13:43:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2020-10-27 13:43:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2020-10-27 13:43:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2020-10-27 13:43:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2020-10-27 13:43:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2020-10-27 13:43:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2020-10-27 13:43:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2020-10-27 13:43:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2020-10-27 13:43:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2020-10-27 13:43:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2020-10-27 13:43:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2020-10-27 13:43:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2020-10-27 13:43:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2020-10-27 13:43:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2020-10-27 13:43:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2020-10-27 13:43:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-27 13:43:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2020-10-27 13:43:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2020-10-27 13:43:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2020-10-27 13:43:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2020-10-27 13:43:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2020-10-27 13:43:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 13:43:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-27 13:43:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2020-10-27 13:43:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2020-10-27 13:43:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2020-10-27 13:43:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2020-10-27 13:43:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2020-10-27 13:43:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 13:43:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_29 [2020-10-27 13:43:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2020-10-27 13:43:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_31 [2020-10-27 13:43:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_32 [2020-10-27 13:43:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-27 13:43:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2020-10-27 13:43:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2020-10-27 13:43:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2020-10-27 13:43:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_37 [2020-10-27 13:43:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_38 [2020-10-27 13:43:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2020-10-27 13:43:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_40 [2020-10-27 13:43:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_41 [2020-10-27 13:43:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_42 [2020-10-27 13:43:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 13:43:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 13:43:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 13:43:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 13:43:46,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 13:43:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-27 13:43:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-27 13:43:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-27 13:43:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-27 13:43:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-27 13:43:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-27 13:43:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-27 13:43:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-27 13:43:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 13:43:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-27 13:43:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2020-10-27 13:43:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-27 13:43:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2020-10-27 13:43:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-27 13:43:46,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 13:43:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-27 13:43:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-27 13:43:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2020-10-27 13:43:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2020-10-27 13:43:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2020-10-27 13:43:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 13:43:46,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 13:43:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-27 13:43:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-10-27 13:43:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-27 13:43:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 13:43:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2020-10-27 13:43:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-27 13:43:46,500 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2020-10-27 13:43:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2020-10-27 13:43:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2020-10-27 13:43:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2020-10-27 13:43:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2020-10-27 13:43:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2020-10-27 13:43:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2020-10-27 13:43:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2020-10-27 13:43:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2020-10-27 13:43:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2020-10-27 13:43:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2020-10-27 13:43:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2020-10-27 13:43:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2020-10-27 13:43:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2020-10-27 13:43:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-27 13:43:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 13:43:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2020-10-27 13:43:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-27 13:43:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2020-10-27 13:43:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-27 13:43:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 13:43:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2020-10-27 13:43:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 13:43:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-27 13:43:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-27 13:43:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2020-10-27 13:43:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-27 13:43:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-27 13:43:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2020-10-27 13:43:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-27 13:43:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 13:43:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 13:43:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 13:43:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 13:43:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 13:43:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 13:43:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 13:43:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 13:43:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 13:43:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 13:43:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 13:43:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-27 13:43:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-27 13:43:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 13:43:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-27 13:43:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-27 13:43:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-27 13:43:46,506 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 13:43:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 13:43:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-27 13:43:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-27 13:43:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 13:43:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 13:43:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 13:43:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 13:43:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-27 13:43:46,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 13:43:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-27 13:43:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 13:43:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-27 13:43:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-10-27 13:43:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 13:43:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-27 13:43:46,509 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2020-10-27 13:43:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2020-10-27 13:43:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2020-10-27 13:43:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2020-10-27 13:43:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2020-10-27 13:43:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2020-10-27 13:43:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2020-10-27 13:43:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_38 [2020-10-27 13:43:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-27 13:43:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2020-10-27 13:43:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-27 13:43:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-27 13:43:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 13:43:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-27 13:43:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2020-10-27 13:43:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2020-10-27 13:43:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-27 13:43:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2020-10-27 13:43:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2020-10-27 13:43:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2020-10-27 13:43:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2020-10-27 13:43:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2020-10-27 13:43:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 13:43:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 13:43:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 13:43:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2020-10-27 13:43:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-27 13:43:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-27 13:43:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 13:43:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2020-10-27 13:43:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-27 13:43:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2020-10-27 13:43:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2020-10-27 13:43:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 13:43:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_41 [2020-10-27 13:43:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 13:43:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_42 [2020-10-27 13:43:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-27 13:43:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 13:43:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-27 13:43:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 13:43:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2020-10-27 13:43:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_31 [2020-10-27 13:43:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_32 [2020-10-27 13:43:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-27 13:43:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2020-10-27 13:43:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-27 13:43:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2020-10-27 13:43:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2020-10-27 13:43:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2020-10-27 13:43:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-27 13:43:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 13:43:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-27 13:43:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-27 13:43:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-27 13:43:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2020-10-27 13:43:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-27 13:43:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 13:43:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2020-10-27 13:43:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2020-10-27 13:43:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2020-10-27 13:43:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2020-10-27 13:43:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2020-10-27 13:43:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2020-10-27 13:43:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_37 [2020-10-27 13:43:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2020-10-27 13:43:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_29 [2020-10-27 13:43:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_40 [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2020-10-27 13:43:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2020-10-27 13:43:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2020-10-27 13:43:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2020-10-27 13:43:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2020-10-27 13:43:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2020-10-27 13:43:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2020-10-27 13:43:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2020-10-27 13:43:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2020-10-27 13:43:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2020-10-27 13:43:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2020-10-27 13:43:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 13:43:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 13:43:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 13:43:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 13:43:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 13:43:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 13:43:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 13:43:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 13:43:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-27 13:43:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-27 13:43:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 13:43:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 13:43:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 13:43:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 13:43:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 13:43:47,645 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 13:43:54,549 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 13:43:54,550 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 13:43:54,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:43:54 BoogieIcfgContainer [2020-10-27 13:43:54,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 13:43:54,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 13:43:54,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 13:43:54,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 13:43:54,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:43:43" (1/3) ... [2020-10-27 13:43:54,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2079fa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:43:54, skipping insertion in model container [2020-10-27 13:43:54,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:43:46" (2/3) ... [2020-10-27 13:43:54,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2079fa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:43:54, skipping insertion in model container [2020-10-27 13:43:54,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:43:54" (3/3) ... [2020-10-27 13:43:54,568 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-27 13:43:54,584 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 13:43:54,592 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 13:43:54,605 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 13:43:54,654 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 13:43:54,660 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 13:43:54,660 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 13:43:54,661 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 13:43:54,661 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 13:43:54,661 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 13:43:54,661 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 13:43:54,661 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 13:43:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states. [2020-10-27 13:43:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 13:43:54,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:43:54,753 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:43:54,754 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:43:54,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:43:54,760 INFO L82 PathProgramCache]: Analyzing trace with hash -2040682411, now seen corresponding path program 1 times [2020-10-27 13:43:54,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:43:54,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087796455] [2020-10-27 13:43:54,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:43:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:43:55,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:43:56,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:43:56,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:43:56,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:43:57,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:01,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:01,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 13:44:01,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 13:44:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5835 [2020-10-27 13:44:01,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:01,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:01,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 13:44:01,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:01,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 13:44:03,964 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-27 13:44:03,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:44:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:04,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:44:05,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1215 [2020-10-27 13:44:05,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:44:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:05,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:44:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:44:05,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 13:44:05,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:44:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:05,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:44:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:44:05,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:44:05,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:44:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:05,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:44:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:44:05,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 13:44:05,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 13:44:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 13:44:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:44:05,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:44:05,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 13:44:05,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:44:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 13:44:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:44:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:44:05,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 13:44:05,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:44:05,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:44:05,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:44:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:44:05,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:44:05,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 13:44:05,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:05,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 13:44:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:44:05,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:44:05,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 13:44:05,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:44:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 13:44:05,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:44:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:44:05,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:44:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:44:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:05,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:44:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:44:05,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:44:05,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 13:44:05,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:05,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:44:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:05,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:44:05,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 13:44:05,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 13:44:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:05,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:05,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 13:44:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:05,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:05,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:06,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:06,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:44:06,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:44:06,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 13:44:06,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:44:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:44:06,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 13:44:06,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:44:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:06,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:06,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:06,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:44:06,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:06,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 13:44:06,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:06,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:44:06,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:44:06,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:44:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 13:44:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:06,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:06,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:06,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:44:06,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:06,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 13:44:06,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:44:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:06,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 13:44:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:06,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:06,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:06,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:44:06,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:44:06,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:44:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:06,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:44:06,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 13:44:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:06,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:06,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:06,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:44:06,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:06,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:44:06,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:44:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:06,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:44:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 13:44:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:44:06,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:44:06,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:44:06,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:44:06,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:44:06,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:44:06,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:44:06,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:44:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:44:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:44:06,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:44:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-27 13:44:06,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087796455] [2020-10-27 13:44:06,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:44:06,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 13:44:06,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794289615] [2020-10-27 13:44:06,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 13:44:06,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:44:06,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 13:44:06,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-27 13:44:06,599 INFO L87 Difference]: Start difference. First operand 1423 states. Second operand 12 states. [2020-10-27 13:44:09,107 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-27 13:44:14,700 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-27 13:44:17,183 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 724 [2020-10-27 13:44:19,669 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 726 [2020-10-27 13:44:22,399 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 741 [2020-10-27 13:44:25,010 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 728 [2020-10-27 13:45:22,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:45:22,192 INFO L93 Difference]: Finished difference Result 3516 states and 5036 transitions. [2020-10-27 13:45:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 13:45:22,194 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 125 [2020-10-27 13:45:22,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:45:22,235 INFO L225 Difference]: With dead ends: 3516 [2020-10-27 13:45:22,235 INFO L226 Difference]: Without dead ends: 2125 [2020-10-27 13:45:22,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2020-10-27 13:45:22,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2020-10-27 13:45:22,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 1326. [2020-10-27 13:45:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2020-10-27 13:45:22,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1744 transitions. [2020-10-27 13:45:22,889 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1744 transitions. Word has length 125 [2020-10-27 13:45:22,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:45:22,890 INFO L481 AbstractCegarLoop]: Abstraction has 1326 states and 1744 transitions. [2020-10-27 13:45:22,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 13:45:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1744 transitions. [2020-10-27 13:45:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 13:45:22,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:45:22,898 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:45:22,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 13:45:22,898 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:45:22,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:45:22,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1185698273, now seen corresponding path program 1 times [2020-10-27 13:45:22,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:45:22,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478143460] [2020-10-27 13:45:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:45:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:23,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:23,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:30,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:30,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 13:45:30,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:45:30,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7127 [2020-10-27 13:45:30,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:45:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 13:45:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 13:45:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:33,048 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-27 13:45:33,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:45:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:33,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:45:35,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1938 [2020-10-27 13:45:35,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:45:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:45:35,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 13:45:35,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:45:35,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:45:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:45:35,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:45:35,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:45:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:45:35,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:45:35,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 13:45:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:45:35,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 13:45:35,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:45:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:45:35,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:45:35,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 13:45:35,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:45:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:45:35,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:45:35,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 13:45:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:45:35,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 13:45:35,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:45:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:45:35,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:45:35,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:45:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:45:35,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:45:35,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:45:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:45:35,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:45:35,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:35,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 13:45:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 13:45:35,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 13:45:35,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:45:35,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:45:35,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 13:45:35,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:35,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:45:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:35,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:35,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:35,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 13:45:35,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:35,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 13:45:35,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:45:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:45:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 13:45:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 13:45:36,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 13:45:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:36,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:36,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:36,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:45:36,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:36,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 13:45:36,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:45:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:36,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:36,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 13:45:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:36,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:36,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:36,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:45:36,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:36,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 13:45:36,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:45:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:45:36,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 13:45:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:36,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:36,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:36,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:45:36,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:36,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:45:36,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:36,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:36,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:45:36,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:36,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:45:36,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 13:45:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:45:36,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:45:36,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:45:36,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:45:36,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:45:36,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 13:45:36,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:45:36,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:45:36,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:45:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:45:36,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:45:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-27 13:45:36,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478143460] [2020-10-27 13:45:36,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:45:36,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 13:45:36,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125315762] [2020-10-27 13:45:36,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 13:45:36,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:45:36,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 13:45:36,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-27 13:45:36,267 INFO L87 Difference]: Start difference. First operand 1326 states and 1744 transitions. Second operand 13 states. [2020-10-27 13:45:38,890 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-27 13:45:44,493 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 734 [2020-10-27 13:45:47,200 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 725 [2020-10-27 13:45:49,852 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 717 [2020-10-27 13:45:52,522 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 718 [2020-10-27 13:45:55,438 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 729 [2020-10-27 13:45:58,302 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 725 [2020-10-27 13:46:53,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:46:53,513 INFO L93 Difference]: Finished difference Result 3436 states and 4796 transitions. [2020-10-27 13:46:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 13:46:53,515 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 124 [2020-10-27 13:46:53,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:46:53,532 INFO L225 Difference]: With dead ends: 3436 [2020-10-27 13:46:53,532 INFO L226 Difference]: Without dead ends: 2126 [2020-10-27 13:46:53,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2020-10-27 13:46:53,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2020-10-27 13:46:54,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 1327. [2020-10-27 13:46:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1327 states. [2020-10-27 13:46:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1745 transitions. [2020-10-27 13:46:54,041 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1745 transitions. Word has length 124 [2020-10-27 13:46:54,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:46:54,041 INFO L481 AbstractCegarLoop]: Abstraction has 1327 states and 1745 transitions. [2020-10-27 13:46:54,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 13:46:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1745 transitions. [2020-10-27 13:46:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 13:46:54,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:46:54,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:46:54,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 13:46:54,047 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:46:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:46:54,047 INFO L82 PathProgramCache]: Analyzing trace with hash 581861894, now seen corresponding path program 2 times [2020-10-27 13:46:54,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:46:54,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737074270] [2020-10-27 13:46:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:46:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:46:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:46:54,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:00,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:00,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 13:47:00,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:47:00,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6305 [2020-10-27 13:47:00,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:00,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 13:47:00,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 13:47:00,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 13:47:00,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:03,119 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-27 13:47:03,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:47:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:03,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:47:04,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-10-27 13:47:04,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:47:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:47:04,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 13:47:04,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:47:04,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:47:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:47:04,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:47:04,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:47:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:47:04,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 13:47:04,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:47:04,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 13:47:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:47:04,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 13:47:04,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:47:04,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:47:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:47:04,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:47:04,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:47:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:47:04,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:47:04,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 13:47:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:47:04,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 13:47:04,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:47:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:47:04,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:47:04,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:47:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:47:04,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:47:04,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:47:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:47:04,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:47:04,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:04,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 13:47:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 13:47:04,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 13:47:04,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 13:47:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:47:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 13:47:04,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:04,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:47:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:04,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:04,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:04,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 13:47:04,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:04,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 13:47:04,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 13:47:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:47:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 13:47:04,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:05,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 13:47:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:05,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:05,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:05,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:47:05,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:05,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:47:05,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:05,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:05,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:47:05,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:05,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:05,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 13:47:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:05,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:05,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:05,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:47:05,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:05,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:47:05,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:47:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:05,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:05,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 13:47:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:05,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:05,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:05,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:47:05,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:05,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:47:05,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:05,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:05,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:47:05,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:05,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 13:47:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:47:05,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:47:05,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:47:05,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:47:05,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:47:05,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:47:05,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:47:05,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:47:05,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:47:05,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:47:05,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:47:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-27 13:47:05,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737074270] [2020-10-27 13:47:05,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:47:05,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 13:47:05,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642016594] [2020-10-27 13:47:05,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 13:47:05,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:47:05,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 13:47:05,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-27 13:47:05,164 INFO L87 Difference]: Start difference. First operand 1327 states and 1745 transitions. Second operand 14 states. [2020-10-27 13:47:07,713 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 721 [2020-10-27 13:47:13,113 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 732 [2020-10-27 13:47:15,666 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 725 [2020-10-27 13:47:18,313 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 716 [2020-10-27 13:47:20,963 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 717 [2020-10-27 13:47:23,695 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 718