/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 22:54:31,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 22:54:31,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 22:54:31,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 22:54:31,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 22:54:31,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 22:54:31,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 22:54:31,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 22:54:31,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 22:54:31,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 22:54:31,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 22:54:31,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 22:54:31,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 22:54:31,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 22:54:31,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 22:54:31,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 22:54:31,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 22:54:31,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 22:54:31,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 22:54:31,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 22:54:31,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 22:54:31,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 22:54:31,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 22:54:31,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 22:54:31,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 22:54:31,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 22:54:31,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 22:54:31,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 22:54:31,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 22:54:31,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 22:54:31,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 22:54:31,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 22:54:31,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 22:54:31,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 22:54:31,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 22:54:31,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 22:54:31,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 22:54:31,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 22:54:31,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 22:54:31,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 22:54:31,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 22:54:31,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 22:54:31,718 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 22:54:31,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 22:54:31,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 22:54:31,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 22:54:31,721 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 22:54:31,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 22:54:31,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 22:54:31,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 22:54:31,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 22:54:31,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 22:54:31,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 22:54:31,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 22:54:31,723 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 22:54:31,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 22:54:31,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 22:54:31,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 22:54:31,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 22:54:31,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 22:54:31,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 22:54:31,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 22:54:31,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 22:54:31,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 22:54:31,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 22:54:31,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 22:54:31,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 22:54:31,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 22:54:31,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 22:54:31,727 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 22:54:32,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 22:54:32,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 22:54:32,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 22:54:32,087 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 22:54:32,087 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 22:54:32,088 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-13 22:54:32,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34004c2d/138e1b2be4b044c8b3309f57e93a7fa2/FLAGe13e8a0f4 [2020-10-13 22:54:32,979 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 22:54:32,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-13 22:54:33,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34004c2d/138e1b2be4b044c8b3309f57e93a7fa2/FLAGe13e8a0f4 [2020-10-13 22:54:33,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34004c2d/138e1b2be4b044c8b3309f57e93a7fa2 [2020-10-13 22:54:33,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 22:54:33,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 22:54:33,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 22:54:33,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 22:54:33,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 22:54:33,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:54:33" (1/1) ... [2020-10-13 22:54:33,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8c36e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:33, skipping insertion in model container [2020-10-13 22:54:33,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:54:33" (1/1) ... [2020-10-13 22:54:33,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 22:54:33,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 22:54:35,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 22:54:35,303 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 22:54:35,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 22:54:35,932 INFO L208 MainTranslator]: Completed translation [2020-10-13 22:54:35,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35 WrapperNode [2020-10-13 22:54:35,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 22:54:35,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 22:54:35,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 22:54:35,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 22:54:35,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (1/1) ... [2020-10-13 22:54:35,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (1/1) ... [2020-10-13 22:54:36,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (1/1) ... [2020-10-13 22:54:36,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (1/1) ... [2020-10-13 22:54:36,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (1/1) ... [2020-10-13 22:54:36,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (1/1) ... [2020-10-13 22:54:36,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (1/1) ... [2020-10-13 22:54:36,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 22:54:36,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 22:54:36,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 22:54:36,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 22:54:36,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 22:54:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 22:54:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 22:54:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 22:54:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-13 22:54:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-13 22:54:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-13 22:54:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 22:54:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 22:54:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 22:54:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-13 22:54:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-13 22:54:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 22:54:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 22:54:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 22:54:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 22:54:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 22:54:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 22:54:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2020-10-13 22:54:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 22:54:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-13 22:54:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 22:54:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 22:54:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2020-10-13 22:54:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-13 22:54:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2020-10-13 22:54:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 22:54:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 22:54:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 22:54:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-13 22:54:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-13 22:54:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 22:54:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2020-10-13 22:54:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2020-10-13 22:54:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2020-10-13 22:54:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2020-10-13 22:54:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2020-10-13 22:54:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2020-10-13 22:54:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2020-10-13 22:54:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2020-10-13 22:54:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2020-10-13 22:54:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2020-10-13 22:54:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2020-10-13 22:54:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2020-10-13 22:54:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2020-10-13 22:54:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2020-10-13 22:54:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2020-10-13 22:54:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2020-10-13 22:54:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2020-10-13 22:54:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2020-10-13 22:54:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2020-10-13 22:54:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2020-10-13 22:54:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2020-10-13 22:54:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2020-10-13 22:54:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2020-10-13 22:54:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2020-10-13 22:54:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2020-10-13 22:54:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2020-10-13 22:54:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2020-10-13 22:54:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2020-10-13 22:54:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2020-10-13 22:54:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2020-10-13 22:54:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2020-10-13 22:54:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2020-10-13 22:54:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2020-10-13 22:54:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2020-10-13 22:54:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2020-10-13 22:54:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2020-10-13 22:54:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2020-10-13 22:54:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2020-10-13 22:54:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2020-10-13 22:54:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2020-10-13 22:54:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2020-10-13 22:54:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2020-10-13 22:54:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2020-10-13 22:54:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2020-10-13 22:54:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2020-10-13 22:54:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2020-10-13 22:54:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2020-10-13 22:54:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2020-10-13 22:54:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2020-10-13 22:54:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2020-10-13 22:54:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2020-10-13 22:54:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2020-10-13 22:54:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-13 22:54:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2020-10-13 22:54:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2020-10-13 22:54:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2020-10-13 22:54:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2020-10-13 22:54:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2020-10-13 22:54:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 22:54:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 22:54:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2020-10-13 22:54:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2020-10-13 22:54:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2020-10-13 22:54:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2020-10-13 22:54:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2020-10-13 22:54:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 22:54:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_29 [2020-10-13 22:54:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2020-10-13 22:54:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_31 [2020-10-13 22:54:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_32 [2020-10-13 22:54:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-13 22:54:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2020-10-13 22:54:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2020-10-13 22:54:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2020-10-13 22:54:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_37 [2020-10-13 22:54:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_38 [2020-10-13 22:54:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2020-10-13 22:54:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_40 [2020-10-13 22:54:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_41 [2020-10-13 22:54:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_42 [2020-10-13 22:54:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 22:54:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 22:54:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 22:54:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 22:54:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 22:54:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-13 22:54:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 22:54:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-13 22:54:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-13 22:54:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-13 22:54:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-13 22:54:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-13 22:54:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-13 22:54:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 22:54:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 22:54:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2020-10-13 22:54:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-13 22:54:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2020-10-13 22:54:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-13 22:54:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 22:54:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-13 22:54:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-13 22:54:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2020-10-13 22:54:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2020-10-13 22:54:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2020-10-13 22:54:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 22:54:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 22:54:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-13 22:54:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-10-13 22:54:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 22:54:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 22:54:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2020-10-13 22:54:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-13 22:54:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2020-10-13 22:54:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2020-10-13 22:54:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2020-10-13 22:54:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2020-10-13 22:54:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2020-10-13 22:54:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2020-10-13 22:54:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2020-10-13 22:54:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2020-10-13 22:54:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2020-10-13 22:54:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2020-10-13 22:54:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2020-10-13 22:54:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2020-10-13 22:54:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2020-10-13 22:54:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2020-10-13 22:54:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-13 22:54:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 22:54:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2020-10-13 22:54:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 22:54:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2020-10-13 22:54:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-13 22:54:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 22:54:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2020-10-13 22:54:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 22:54:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-13 22:54:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-13 22:54:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2020-10-13 22:54:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-13 22:54:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-13 22:54:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2020-10-13 22:54:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 22:54:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 22:54:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 22:54:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 22:54:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 22:54:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 22:54:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 22:54:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-13 22:54:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-13 22:54:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 22:54:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-13 22:54:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-13 22:54:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-13 22:54:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 22:54:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 22:54:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 22:54:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 22:54:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 22:54:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 22:54:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 22:54:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 22:54:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 22:54:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 22:54:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 22:54:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-13 22:54:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-13 22:54:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 22:54:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 22:54:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 22:54:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 22:54:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 22:54:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 22:54:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 22:54:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 22:54:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 22:54:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-10-13 22:54:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 22:54:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 22:54:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 22:54:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2020-10-13 22:54:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 22:54:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-13 22:54:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 22:54:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-13 22:54:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-13 22:54:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2020-10-13 22:54:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2020-10-13 22:54:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2020-10-13 22:54:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2020-10-13 22:54:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2020-10-13 22:54:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2020-10-13 22:54:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2020-10-13 22:54:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2020-10-13 22:54:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_38 [2020-10-13 22:54:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-13 22:54:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2020-10-13 22:54:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 22:54:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-13 22:54:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 22:54:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-13 22:54:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2020-10-13 22:54:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2020-10-13 22:54:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-13 22:54:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2020-10-13 22:54:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2020-10-13 22:54:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2020-10-13 22:54:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2020-10-13 22:54:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2020-10-13 22:54:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 22:54:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 22:54:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 22:54:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2020-10-13 22:54:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-13 22:54:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 22:54:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-13 22:54:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-13 22:54:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2020-10-13 22:54:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2020-10-13 22:54:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-13 22:54:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2020-10-13 22:54:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 22:54:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 22:54:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 22:54:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2020-10-13 22:54:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-13 22:54:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2020-10-13 22:54:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2020-10-13 22:54:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 22:54:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_41 [2020-10-13 22:54:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 22:54:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_42 [2020-10-13 22:54:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-13 22:54:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 22:54:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 22:54:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-13 22:54:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 22:54:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2020-10-13 22:54:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_31 [2020-10-13 22:54:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_32 [2020-10-13 22:54:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 22:54:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2020-10-13 22:54:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-13 22:54:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2020-10-13 22:54:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2020-10-13 22:54:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2020-10-13 22:54:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-13 22:54:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 22:54:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-13 22:54:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-13 22:54:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-13 22:54:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2020-10-13 22:54:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-13 22:54:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 22:54:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2020-10-13 22:54:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2020-10-13 22:54:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2020-10-13 22:54:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2020-10-13 22:54:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2020-10-13 22:54:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2020-10-13 22:54:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2020-10-13 22:54:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2020-10-13 22:54:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2020-10-13 22:54:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2020-10-13 22:54:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2020-10-13 22:54:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2020-10-13 22:54:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2020-10-13 22:54:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2020-10-13 22:54:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_37 [2020-10-13 22:54:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2020-10-13 22:54:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_29 [2020-10-13 22:54:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2020-10-13 22:54:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2020-10-13 22:54:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_40 [2020-10-13 22:54:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2020-10-13 22:54:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2020-10-13 22:54:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2020-10-13 22:54:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2020-10-13 22:54:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2020-10-13 22:54:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2020-10-13 22:54:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2020-10-13 22:54:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2020-10-13 22:54:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2020-10-13 22:54:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2020-10-13 22:54:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2020-10-13 22:54:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2020-10-13 22:54:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2020-10-13 22:54:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2020-10-13 22:54:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2020-10-13 22:54:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2020-10-13 22:54:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2020-10-13 22:54:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2020-10-13 22:54:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2020-10-13 22:54:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 22:54:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2020-10-13 22:54:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 22:54:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2020-10-13 22:54:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2020-10-13 22:54:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2020-10-13 22:54:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2020-10-13 22:54:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2020-10-13 22:54:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2020-10-13 22:54:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2020-10-13 22:54:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2020-10-13 22:54:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2020-10-13 22:54:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2020-10-13 22:54:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2020-10-13 22:54:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2020-10-13 22:54:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2020-10-13 22:54:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2020-10-13 22:54:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2020-10-13 22:54:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2020-10-13 22:54:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2020-10-13 22:54:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2020-10-13 22:54:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2020-10-13 22:54:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2020-10-13 22:54:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2020-10-13 22:54:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2020-10-13 22:54:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2020-10-13 22:54:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2020-10-13 22:54:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2020-10-13 22:54:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2020-10-13 22:54:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2020-10-13 22:54:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2020-10-13 22:54:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 22:54:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 22:54:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 22:54:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 22:54:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 22:54:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 22:54:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 22:54:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 22:54:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-13 22:54:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 22:54:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-13 22:54:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-13 22:54:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 22:54:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 22:54:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 22:54:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 22:54:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 22:54:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 22:54:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 22:54:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 22:54:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 22:54:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 22:54:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 22:54:37,808 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 22:54:44,668 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 22:54:44,668 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 22:54:44,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:54:44 BoogieIcfgContainer [2020-10-13 22:54:44,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 22:54:44,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 22:54:44,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 22:54:44,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 22:54:44,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:54:33" (1/3) ... [2020-10-13 22:54:44,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491d0dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:54:44, skipping insertion in model container [2020-10-13 22:54:44,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:54:35" (2/3) ... [2020-10-13 22:54:44,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491d0dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:54:44, skipping insertion in model container [2020-10-13 22:54:44,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:54:44" (3/3) ... [2020-10-13 22:54:44,698 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-13 22:54:44,709 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 22:54:44,722 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 22:54:44,740 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 22:54:44,783 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 22:54:44,783 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 22:54:44,784 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 22:54:44,785 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 22:54:44,786 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 22:54:44,786 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 22:54:44,786 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 22:54:44,786 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 22:54:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states. [2020-10-13 22:54:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 22:54:44,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:54:44,880 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] [2020-10-13 22:54:44,881 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:54:44,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:54:44,888 INFO L82 PathProgramCache]: Analyzing trace with hash 540157004, now seen corresponding path program 1 times [2020-10-13 22:54:44,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:54:44,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567517463] [2020-10-13 22:54:44,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:54:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:45,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:46,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:46,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:47,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:52,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:52,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-13 22:54:52,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 22:54:52,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6491 [2020-10-13 22:54:52,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-13 22:54:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:52,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 22:54:55,043 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-13 22:54:55,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:54:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:55,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:55,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:54:55,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:55,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 879 [2020-10-13 22:54:55,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:55,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:55,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:54:55,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:55,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:54:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:54:56,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:54:56,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 22:54:56,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 22:54:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:54:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:54:56,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 22:54:56,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:54:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:54:56,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:54:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:54:56,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 22:54:56,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 22:54:56,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:54:56,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 22:54:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:54:56,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 22:54:56,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 22:54:56,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:54:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:54:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:54:56,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 22:54:56,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:54:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:54:56,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:54:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:54:56,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 22:54:56,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 22:54:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:54:56,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 22:54:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:54:56,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:54:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 22:54:56,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 22:54:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:54:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:54:56,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 22:54:56,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:54:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:54:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:54:56,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:54:56,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 22:54:56,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:54:56,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 22:54:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:54:56,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 22:54:56,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 22:54:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 22:54:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:54:56,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:54:56,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 22:54:56,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 22:54:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:54:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:54:56,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 22:54:56,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:54:56,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 22:54:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:54:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 22:54:56,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:54:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:54:56,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 22:54:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:54:56,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 22:54:56,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:54:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 22:54:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:56,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:56,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:54:56,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 22:54:56,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:54:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:54:56,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 22:54:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:54:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:54:57,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:54:57,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:54:57,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:54:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 22:54:57,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:54:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:54:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:54:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:54:57,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:54:57,093 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-13 22:54:57,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567517463] [2020-10-13 22:54:57,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 22:54:57,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 22:54:57,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804528300] [2020-10-13 22:54:57,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 22:54:57,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:54:57,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 22:54:57,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 22:54:57,124 INFO L87 Difference]: Start difference. First operand 1419 states. Second operand 8 states. [2020-10-13 22:54:59,802 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-13 22:55:41,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 22:55:41,493 INFO L93 Difference]: Finished difference Result 3512 states and 5027 transitions. [2020-10-13 22:55:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 22:55:41,495 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-13 22:55:41,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 22:55:41,554 INFO L225 Difference]: With dead ends: 3512 [2020-10-13 22:55:41,554 INFO L226 Difference]: Without dead ends: 2130 [2020-10-13 22:55:41,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-10-13 22:55:41,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2020-10-13 22:55:42,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1323. [2020-10-13 22:55:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states. [2020-10-13 22:55:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1741 transitions. [2020-10-13 22:55:42,155 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1741 transitions. Word has length 121 [2020-10-13 22:55:42,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 22:55:42,158 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1741 transitions. [2020-10-13 22:55:42,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 22:55:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1741 transitions. [2020-10-13 22:55:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 22:55:42,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:55:42,165 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] [2020-10-13 22:55:42,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 22:55:42,165 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:55:42,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:55:42,166 INFO L82 PathProgramCache]: Analyzing trace with hash -616828597, now seen corresponding path program 1 times [2020-10-13 22:55:42,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:55:42,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977964132] [2020-10-13 22:55:42,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:55:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:42,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:42,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:49,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:49,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 22:55:49,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:55:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6699 [2020-10-13 22:55:49,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 22:55:49,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 22:55:49,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 22:55:49,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:51,834 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-13 22:55:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:55:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:51,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:52,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:52,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:55:52,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-13 22:55:52,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:52,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:52,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:55:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:52,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:52,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:52,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:55:52,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:52,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 22:55:52,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:52,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:52,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:52,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:52,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:55:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:52,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:52,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:52,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:55:52,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:52,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:55:52,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:52,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:52,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:55:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:52,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:52,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:55:52,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:52,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:55:52,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:52,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:52,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:52,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 22:55:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:52,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:52,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:52,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:55:52,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:52,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 22:55:52,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:52,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:52,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:52,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:55:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:52,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:52,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:55:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:55:52,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:52,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:55:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:52,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:52,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:52,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:55:52,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:52,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:55:52,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:52,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:52,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:52,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 22:55:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:52,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:52,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:52,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:55:52,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:52,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 22:55:52,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:52,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:52,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:55:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:52,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:55:53,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:55:53,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:53,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:53,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:55:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:53,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:55:53,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:55:53,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:53,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:53,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 22:55:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:53,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:55:53,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:55:53,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:53,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 22:55:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:53,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 22:55:53,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 22:55:53,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 22:55:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 22:55:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 22:55:53,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:53,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:55:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:55:53,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 22:55:53,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 22:55:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:55:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 22:55:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:55:53,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 22:55:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:53,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:55:53,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:55:53,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:55:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:55:53,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 22:55:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:53,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:55:53,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 22:55:53,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:55:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:53,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:53,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 22:55:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:53,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:55:53,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 22:55:53,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:53,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:55:53,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:53,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:55:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 22:55:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:55:53,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:55:53,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:55:53,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:55:53,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:55:53,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:55:53,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:55:53,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:55:53,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:55:53,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:55:53,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:55:53,544 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-13 22:55:53,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977964132] [2020-10-13 22:55:53,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 22:55:53,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 22:55:53,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136395122] [2020-10-13 22:55:53,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 22:55:53,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:55:53,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 22:55:53,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-13 22:55:53,549 INFO L87 Difference]: Start difference. First operand 1323 states and 1741 transitions. Second operand 12 states. [2020-10-13 22:55:56,235 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-13 22:56:01,725 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 715 [2020-10-13 22:56:04,448 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 712 [2020-10-13 22:56:07,168 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 714 [2020-10-13 22:56:09,970 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 717 [2020-10-13 22:56:12,687 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 706 [2020-10-13 22:57:14,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 22:57:14,780 INFO L93 Difference]: Finished difference Result 3430 states and 4790 transitions. [2020-10-13 22:57:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 22:57:14,783 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 122 [2020-10-13 22:57:14,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 22:57:14,800 INFO L225 Difference]: With dead ends: 3430 [2020-10-13 22:57:14,801 INFO L226 Difference]: Without dead ends: 2123 [2020-10-13 22:57:14,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2020-10-13 22:57:14,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2020-10-13 22:57:15,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1324. [2020-10-13 22:57:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1324 states. [2020-10-13 22:57:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1742 transitions. [2020-10-13 22:57:15,260 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1742 transitions. Word has length 122 [2020-10-13 22:57:15,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 22:57:15,263 INFO L479 AbstractCegarLoop]: Abstraction has 1324 states and 1742 transitions. [2020-10-13 22:57:15,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 22:57:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1742 transitions. [2020-10-13 22:57:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 22:57:15,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 22:57:15,281 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] [2020-10-13 22:57:15,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 22:57:15,281 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 22:57:15,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 22:57:15,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1026610955, now seen corresponding path program 1 times [2020-10-13 22:57:15,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 22:57:15,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120505700] [2020-10-13 22:57:15,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 22:57:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:15,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:16,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:21,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:21,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 22:57:21,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 22:57:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5721 [2020-10-13 22:57:21,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 22:57:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 22:57:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 22:57:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:24,345 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-13 22:57:24,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 22:57:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:24,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:24,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:24,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:24,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:24,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-13 22:57:24,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:24,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:25,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:57:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:57:25,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 22:57:25,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:25,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:57:25,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:57:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:25,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:57:25,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 22:57:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:57:25,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 22:57:25,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:25,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:57:25,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:57:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:25,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 22:57:25,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 22:57:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 22:57:25,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 22:57:25,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:25,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:57:25,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 22:57:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 22:57:25,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 22:57:25,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 22:57:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 22:57:25,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 22:57:25,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 22:57:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 22:57:25,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 22:57:25,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 22:57:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 22:57:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 22:57:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 22:57:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 22:57:25,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 22:57:25,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 22:57:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 22:57:25,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 22:57:25,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 22:57:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:25,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 22:57:25,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:57:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:25,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 22:57:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:25,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 22:57:25,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:57:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 22:57:25,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 22:57:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:25,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 22:57:25,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:57:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 22:57:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 22:57:25,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 22:57:25,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 22:57:25,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 22:57:25,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 22:57:25,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 22:57:25,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 22:57:25,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 22:57:25,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 22:57:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 22:57:25,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 22:57:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-13 22:57:25,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120505700] [2020-10-13 22:57:25,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 22:57:25,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 22:57:25,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971154853] [2020-10-13 22:57:25,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 22:57:25,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 22:57:25,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 22:57:25,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-13 22:57:25,824 INFO L87 Difference]: Start difference. First operand 1324 states and 1742 transitions. Second operand 13 states. [2020-10-13 22:57:28,855 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-13 22:57:34,451 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 720 [2020-10-13 22:57:37,202 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 713 [2020-10-13 22:57:39,835 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 705 [2020-10-13 22:57:42,592 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 706 [2020-10-13 22:57:45,553 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 716 [2020-10-13 22:57:48,601 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 711