/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 23:06:03,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 23:06:03,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 23:06:03,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 23:06:03,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 23:06:03,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 23:06:03,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 23:06:03,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 23:06:03,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 23:06:03,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 23:06:03,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 23:06:03,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 23:06:03,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 23:06:03,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 23:06:03,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 23:06:03,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 23:06:03,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 23:06:03,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 23:06:03,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 23:06:03,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 23:06:03,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 23:06:03,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 23:06:03,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 23:06:03,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 23:06:03,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 23:06:03,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 23:06:03,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 23:06:03,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 23:06:03,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 23:06:03,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 23:06:03,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 23:06:03,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 23:06:03,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 23:06:03,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 23:06:03,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 23:06:03,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 23:06:03,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 23:06:03,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 23:06:03,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 23:06:03,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 23:06:03,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 23:06:03,919 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 [2020-10-12 23:06:03,959 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 23:06:03,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 23:06:03,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 23:06:03,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 23:06:03,962 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 23:06:03,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 23:06:03,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 23:06:03,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 23:06:03,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 23:06:03,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 23:06:03,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 23:06:03,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 23:06:03,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 23:06:03,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 23:06:03,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 23:06:03,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 23:06:03,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 23:06:03,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 23:06:03,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 23:06:03,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 23:06:03,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 23:06:03,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 23:06:03,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 23:06:03,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 23:06:03,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 23:06:03,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 23:06:03,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 23:06:03,968 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 23:06:04,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 23:06:04,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 23:06:04,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 23:06:04,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 23:06:04,313 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 23:06:04,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2020-10-12 23:06:04,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf721f473/f72783a86f664ba58ccbc7a64bbaab19/FLAGed0c35cdb [2020-10-12 23:06:05,161 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 23:06:05,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2020-10-12 23:06:05,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf721f473/f72783a86f664ba58ccbc7a64bbaab19/FLAGed0c35cdb [2020-10-12 23:06:05,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf721f473/f72783a86f664ba58ccbc7a64bbaab19 [2020-10-12 23:06:05,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 23:06:05,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 23:06:05,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 23:06:05,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 23:06:05,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 23:06:05,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:06:05" (1/1) ... [2020-10-12 23:06:05,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488a3702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:05, skipping insertion in model container [2020-10-12 23:06:05,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:06:05" (1/1) ... [2020-10-12 23:06:05,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 23:06:05,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 23:06:07,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:06:07,222 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 23:06:07,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:06:07,738 INFO L208 MainTranslator]: Completed translation [2020-10-12 23:06:07,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07 WrapperNode [2020-10-12 23:06:07,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 23:06:07,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 23:06:07,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 23:06:07,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 23:06:07,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (1/1) ... [2020-10-12 23:06:07,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (1/1) ... [2020-10-12 23:06:07,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (1/1) ... [2020-10-12 23:06:07,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (1/1) ... [2020-10-12 23:06:07,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (1/1) ... [2020-10-12 23:06:07,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (1/1) ... [2020-10-12 23:06:07,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (1/1) ... [2020-10-12 23:06:07,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 23:06:07,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 23:06:07,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 23:06:07,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 23:06:08,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (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 [2020-10-12 23:06:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 23:06:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 23:06:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-12 23:06:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-12 23:06:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-12 23:06:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-12 23:06:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-12 23:06:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-12 23:06:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-12 23:06:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-12 23:06:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 23:06:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-12 23:06:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-12 23:06:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-12 23:06:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-12 23:06:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-12 23:06:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-12 23:06:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-12 23:06:08,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2020-10-12 23:06:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-12 23:06:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-12 23:06:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-12 23:06:08,080 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-12 23:06:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-12 23:06:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-12 23:06:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-12 23:06:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-12 23:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-12 23:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-12 23:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-12 23:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-12 23:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 23:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 23:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-12 23:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_report [2020-10-12 23:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2020-10-12 23:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_callback [2020-10-12 23:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_write_callback [2020-10-12 23:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2020-10-12 23:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2020-10-12 23:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_read [2020-10-12 23:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_write [2020-10-12 23:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_ioctl [2020-10-12 23:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_open [2020-10-12 23:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_release [2020-10-12 23:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_poll [2020-10-12 23:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_devnode [2020-10-12 23:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_probe [2020-10-12 23:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_disconnect [2020-10-12 23:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_init [2020-10-12 23:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_exit [2020-10-12 23:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-12 23:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-12 23:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 23:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-12 23:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-12 23:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-12 23:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-12 23:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-12 23:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-12 23:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 23:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-12 23:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 23:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 23:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-12 23:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 23:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-12 23:06:08,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-12 23:06:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-12 23:06:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-12 23:06:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-12 23:06:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-12 23:06:08,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-12 23:06:08,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-12 23:06:08,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-12 23:06:08,094 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-12 23:06:08,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2020-10-12 23:06:08,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-12 23:06:08,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 23:06:08,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-12 23:06:08,096 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-12 23:06:08,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-12 23:06:08,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 23:06:08,097 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-12 23:06:08,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 23:06:08,098 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-12 23:06:08,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-12 23:06:08,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-12 23:06:08,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-12 23:06:08,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-12 23:06:08,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-12 23:06:08,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-12 23:06:08,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-12 23:06:08,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2020-10-12 23:06:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-12 23:06:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-12 23:06:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-12 23:06:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 23:06:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 23:06:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 23:06:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 23:06:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-12 23:06:08,103 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 23:06:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-12 23:06:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-12 23:06:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 23:06:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-12 23:06:08,104 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-12 23:06:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-12 23:06:08,105 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-12 23:06:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-12 23:06:08,106 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-12 23:06:08,109 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-12 23:06:08,110 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-12 23:06:08,110 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-12 23:06:08,110 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 23:06:08,110 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 23:06:08,110 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-12 23:06:08,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 23:06:08,111 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-12 23:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-12 23:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-12 23:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-12 23:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-12 23:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-12 23:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2020-10-12 23:06:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-12 23:06:08,113 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-12 23:06:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-12 23:06:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 23:06:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-12 23:06:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-12 23:06:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-12 23:06:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-12 23:06:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-12 23:06:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-12 23:06:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-12 23:06:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-12 23:06:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-12 23:06:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-12 23:06:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-12 23:06:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-12 23:06:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-12 23:06:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-12 23:06:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-12 23:06:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-12 23:06:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-12 23:06:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-12 23:06:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-12 23:06:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-12 23:06:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-12 23:06:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 23:06:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-12 23:06:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-12 23:06:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-12 23:06:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-12 23:06:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-12 23:06:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-12 23:06:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-12 23:06:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2020-10-12 23:06:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-12 23:06:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 23:06:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 23:06:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 23:06:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 23:06:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-12 23:06:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-12 23:06:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_report [2020-10-12 23:06:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2020-10-12 23:06:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_callback [2020-10-12 23:06:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 23:06:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_write_callback [2020-10-12 23:06:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2020-10-12 23:06:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2020-10-12 23:06:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_read [2020-10-12 23:06:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 23:06:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_write [2020-10-12 23:06:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_ioctl [2020-10-12 23:06:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 23:06:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_open [2020-10-12 23:06:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_release [2020-10-12 23:06:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_poll [2020-10-12 23:06:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_devnode [2020-10-12 23:06:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_probe [2020-10-12 23:06:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_disconnect [2020-10-12 23:06:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_init [2020-10-12 23:06:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_exit [2020-10-12 23:06:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 23:06:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-12 23:06:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 23:06:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 23:06:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 23:06:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-12 23:06:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-12 23:06:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-12 23:06:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 23:06:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 23:06:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 23:06:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 23:06:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 23:06:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 23:06:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 23:06:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 23:06:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 23:06:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 23:06:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 23:06:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 23:06:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 23:06:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 23:06:09,106 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:09,121 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-12 23:06:09,121 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-12 23:06:09,163 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:09,327 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-12 23:06:09,327 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-12 23:06:09,456 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-12 23:06:12,393 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:12,452 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2020-10-12 23:06:12,453 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2020-10-12 23:06:12,514 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:12,725 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2020-10-12 23:06:12,725 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2020-10-12 23:06:12,872 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:12,937 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-12 23:06:12,938 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-12 23:06:13,217 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 23:06:13,218 INFO L295 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-12 23:06:13,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:13 BoogieIcfgContainer [2020-10-12 23:06:13,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 23:06:13,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 23:06:13,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 23:06:13,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 23:06:13,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:06:05" (1/3) ... [2020-10-12 23:06:13,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35274b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:13, skipping insertion in model container [2020-10-12 23:06:13,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:07" (2/3) ... [2020-10-12 23:06:13,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35274b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:13, skipping insertion in model container [2020-10-12 23:06:13,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:13" (3/3) ... [2020-10-12 23:06:13,241 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2020-10-12 23:06:13,252 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 23:06:13,267 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 23:06:13,280 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 23:06:13,314 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 23:06:13,314 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 23:06:13,314 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 23:06:13,314 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 23:06:13,314 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 23:06:13,314 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 23:06:13,314 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 23:06:13,315 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 23:06:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states. [2020-10-12 23:06:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 23:06:13,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:06:13,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:06:13,368 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:06:13,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:06:13,374 INFO L82 PathProgramCache]: Analyzing trace with hash 462692525, now seen corresponding path program 1 times [2020-10-12 23:06:13,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:06:13,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524254910] [2020-10-12 23:06:13,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:06:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:14,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:17,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:17,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 23:06:17,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:17,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3017 [2020-10-12 23:06:17,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:06:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:06:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 23:06:17,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 23:06:18,646 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-12 23:06:18,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:06:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:19,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:19,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:19,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:19,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-12 23:06:19,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:06:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:19,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:06:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:19,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:19,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:06:19,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:06:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:06:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:06:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:19,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:19,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:19,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 23:06:19,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:06:19,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:19,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:19,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:19,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 23:06:19,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:19,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:06:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:19,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:19,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:06:19,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:19,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:06:19,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:19,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:19,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:06:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:19,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:19,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:19,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:19,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:06:19,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:19,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:19,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:19,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:06:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:06:19,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524254910] [2020-10-12 23:06:19,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:06:19,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 23:06:19,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057860373] [2020-10-12 23:06:19,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 23:06:19,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:06:19,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 23:06:19,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 23:06:19,487 INFO L87 Difference]: Start difference. First operand 821 states. Second operand 4 states. [2020-10-12 23:06:22,624 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2020-10-12 23:06:42,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:06:42,314 INFO L93 Difference]: Finished difference Result 2552 states and 3667 transitions. [2020-10-12 23:06:42,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 23:06:42,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-12 23:06:42,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:06:42,361 INFO L225 Difference]: With dead ends: 2552 [2020-10-12 23:06:42,361 INFO L226 Difference]: Without dead ends: 1787 [2020-10-12 23:06:42,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 23:06:42,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2020-10-12 23:06:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1574. [2020-10-12 23:06:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1574 states. [2020-10-12 23:06:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2086 transitions. [2020-10-12 23:06:42,818 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2086 transitions. Word has length 29 [2020-10-12 23:06:42,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:06:42,819 INFO L479 AbstractCegarLoop]: Abstraction has 1574 states and 2086 transitions. [2020-10-12 23:06:42,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 23:06:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2086 transitions. [2020-10-12 23:06:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-12 23:06:42,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:06:42,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:06:42,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 23:06:42,821 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:06:42,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:06:42,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1458098183, now seen corresponding path program 1 times [2020-10-12 23:06:42,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:06:42,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727395150] [2020-10-12 23:06:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:06:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:43,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:44,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:44,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 23:06:44,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1844 [2020-10-12 23:06:44,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:06:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:06:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 23:06:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:45,797 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-12 23:06:45,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:06:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:46,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:46,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:46,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-12 23:06:46,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:06:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:46,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:06:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:46,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:46,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:46,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:06:46,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:46,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:06:46,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:06:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:06:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:46,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:46,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 23:06:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 23:06:46,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 23:06:46,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:46,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:06:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:46,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:46,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:46,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:06:46,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:46,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:06:46,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:46,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:06:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:46,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:46,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:46,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:46,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:46,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:06:46,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:46,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:46,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:46,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:46,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:06:46,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727395150] [2020-10-12 23:06:46,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:06:46,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 23:06:46,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462187362] [2020-10-12 23:06:46,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 23:06:46,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:06:46,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 23:06:46,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 23:06:46,497 INFO L87 Difference]: Start difference. First operand 1574 states and 2086 transitions. Second operand 4 states. [2020-10-12 23:06:49,493 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2020-10-12 23:07:09,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:07:09,824 INFO L93 Difference]: Finished difference Result 5083 states and 6849 transitions. [2020-10-12 23:07:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 23:07:09,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-12 23:07:09,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:07:09,852 INFO L225 Difference]: With dead ends: 5083 [2020-10-12 23:07:09,852 INFO L226 Difference]: Without dead ends: 3524 [2020-10-12 23:07:09,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 23:07:09,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3524 states. [2020-10-12 23:07:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3524 to 3116. [2020-10-12 23:07:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3116 states. [2020-10-12 23:07:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 3116 states and 4144 transitions. [2020-10-12 23:07:10,543 INFO L78 Accepts]: Start accepts. Automaton has 3116 states and 4144 transitions. Word has length 30 [2020-10-12 23:07:10,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:07:10,544 INFO L479 AbstractCegarLoop]: Abstraction has 3116 states and 4144 transitions. [2020-10-12 23:07:10,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 23:07:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 4144 transitions. [2020-10-12 23:07:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-12 23:07:10,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:07:10,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:07:10,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 23:07:10,561 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:07:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:07:10,562 INFO L82 PathProgramCache]: Analyzing trace with hash -817244791, now seen corresponding path program 1 times [2020-10-12 23:07:10,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:07:10,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520400365] [2020-10-12 23:07:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:07:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:10,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:10,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:12,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:15,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:15,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 23:07:15,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:07:15,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5125 [2020-10-12 23:07:15,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:15,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 23:07:15,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:07:15,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 23:07:15,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:07:16,856 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-12 23:07:16,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:07:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:17,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:17,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:17,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:17,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-12 23:07:17,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:07:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:07:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:17,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:07:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:17,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:17,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:17,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:07:17,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:07:17,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:07:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:07:17,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:17,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:07:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:17,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:17,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:17,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 23:07:17,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 23:07:17,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:17,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:07:17,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:17,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 23:07:17,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:17,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:07:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:17,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:17,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:17,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:07:17,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:17,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:07:17,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:07:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:17,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:07:17,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:17,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:07:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:17,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:17,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:17,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:17,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:17,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:07:17,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:07:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:07:17,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:17,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 23:07:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:17,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:17,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:17,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:17,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:07:17,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:07:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:07:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:17,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 23:07:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:17,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:17,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:17,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:17,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:17,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:07:17,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:07:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:07:17,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:17,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 23:07:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:17,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:17,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:17,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:17,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:17,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:07:17,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:07:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:07:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:07:17,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:07:17,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520400365] [2020-10-12 23:07:17,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:07:17,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:07:17,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164436090] [2020-10-12 23:07:17,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:07:17,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:07:17,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:07:17,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:07:17,884 INFO L87 Difference]: Start difference. First operand 3116 states and 4144 transitions. Second operand 6 states. [2020-10-12 23:07:20,911 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2020-10-12 23:07:29,023 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2020-10-12 23:07:39,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:07:39,048 INFO L93 Difference]: Finished difference Result 9128 states and 12409 transitions. [2020-10-12 23:07:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 23:07:39,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-10-12 23:07:39,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:07:39,086 INFO L225 Difference]: With dead ends: 9128 [2020-10-12 23:07:39,087 INFO L226 Difference]: Without dead ends: 6037 [2020-10-12 23:07:39,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:07:39,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6037 states. [2020-10-12 23:07:40,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6037 to 5057. [2020-10-12 23:07:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5057 states. [2020-10-12 23:07:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 6732 transitions. [2020-10-12 23:07:40,626 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 6732 transitions. Word has length 70 [2020-10-12 23:07:40,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:07:40,627 INFO L479 AbstractCegarLoop]: Abstraction has 5057 states and 6732 transitions. [2020-10-12 23:07:40,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 23:07:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 6732 transitions. [2020-10-12 23:07:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-12 23:07:40,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:07:40,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:07:40,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 23:07:40,631 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:07:40,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:07:40,631 INFO L82 PathProgramCache]: Analyzing trace with hash -2097108469, now seen corresponding path program 1 times [2020-10-12 23:07:40,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:07:40,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437284475] [2020-10-12 23:07:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:07:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:40,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:45,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:45,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 23:07:45,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:07:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-12 23:07:45,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:07:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:07:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 23:07:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:07:47,091 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-12 23:07:47,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:07:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:47,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:47,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:47,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:47,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 560 [2020-10-12 23:07:47,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:07:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:07:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:47,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:07:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:47,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:47,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:47,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:07:47,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:07:47,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:07:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:07:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:07:47,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:07:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:47,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:47,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 23:07:47,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:47,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 23:07:47,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:07:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 23:07:47,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 23:07:47,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:07:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:47,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:47,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:47,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:07:47,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:47,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:07:47,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:07:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:07:47,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:47,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:07:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:47,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:47,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:47,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:47,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:47,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:07:47,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:07:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:07:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:07:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:47,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 23:07:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:47,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:47,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:47,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:47,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:47,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:07:47,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:07:47,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:07:47,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:07:47,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:47,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 23:07:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:47,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:47,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:47,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:47,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:47,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:07:47,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:07:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:07:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:07:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:47,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 23:07:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:07:47,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:07:47,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:07:47,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:07:47,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:07:47,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:07:47,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:07:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:07:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:07:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:07:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:07:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:07:47,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437284475] [2020-10-12 23:07:47,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:07:47,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:07:47,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510784843] [2020-10-12 23:07:47,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:07:47,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:07:47,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:07:47,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:07:47,922 INFO L87 Difference]: Start difference. First operand 5057 states and 6732 transitions. Second operand 6 states. [2020-10-12 23:07:51,078 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 444 [2020-10-12 23:07:52,701 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2020-10-12 23:08:11,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:08:11,237 INFO L93 Difference]: Finished difference Result 11069 states and 14976 transitions. [2020-10-12 23:08:11,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 23:08:11,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-10-12 23:08:11,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:08:11,272 INFO L225 Difference]: With dead ends: 11069 [2020-10-12 23:08:11,272 INFO L226 Difference]: Without dead ends: 6037 [2020-10-12 23:08:11,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:08:11,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6037 states. [2020-10-12 23:08:12,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6037 to 5057. [2020-10-12 23:08:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5057 states. [2020-10-12 23:08:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 6728 transitions. [2020-10-12 23:08:12,345 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 6728 transitions. Word has length 70 [2020-10-12 23:08:12,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:08:12,346 INFO L479 AbstractCegarLoop]: Abstraction has 5057 states and 6728 transitions. [2020-10-12 23:08:12,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 23:08:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 6728 transitions. [2020-10-12 23:08:12,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-12 23:08:12,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:08:12,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:08:12,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 23:08:12,348 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:08:12,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:08:12,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1395508595, now seen corresponding path program 1 times [2020-10-12 23:08:12,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:08:12,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668121171] [2020-10-12 23:08:12,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:08:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:12,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:13,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:13,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 23:08:13,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:13,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1212 [2020-10-12 23:08:13,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 23:08:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:08:13,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:14,624 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-12 23:08:14,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:08:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:14,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:14,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:14,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:14,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:14,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-12 23:08:14,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:14,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:14,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:14,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:14,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:14,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:08:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:14,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:14,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:14,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:08:14,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:08:14,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:14,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:14,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:08:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:14,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:14,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:14,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 23:08:14,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:14,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:08:14,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:14,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:14,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:14,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:14,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:14,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:14,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:08:14,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:14,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:08:14,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:14,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:14,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:14,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:14,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:14,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:14,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:14,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:14,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:08:14,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:14,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:14,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:14,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:14,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:15,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 23:08:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:15,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:15,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:15,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:15,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:15,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:15,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:15,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:15,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:15,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:15,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:15,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 23:08:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:15,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:15,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:15,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:15,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:15,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:08:15,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:15,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:15,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 23:08:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:15,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:15,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:15,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:15,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:08:15,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:15,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:15,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:08:15,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668121171] [2020-10-12 23:08:15,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:08:15,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 23:08:15,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800770576] [2020-10-12 23:08:15,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 23:08:15,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:08:15,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 23:08:15,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 23:08:15,089 INFO L87 Difference]: Start difference. First operand 5057 states and 6728 transitions. Second operand 5 states. [2020-10-12 23:08:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:08:27,924 INFO L93 Difference]: Finished difference Result 11324 states and 15516 transitions. [2020-10-12 23:08:27,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 23:08:27,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-10-12 23:08:27,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:08:27,960 INFO L225 Difference]: With dead ends: 11324 [2020-10-12 23:08:27,960 INFO L226 Difference]: Without dead ends: 6292 [2020-10-12 23:08:27,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:08:27,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6292 states. [2020-10-12 23:08:28,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6292 to 5313. [2020-10-12 23:08:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5313 states. [2020-10-12 23:08:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5313 states to 5313 states and 7166 transitions. [2020-10-12 23:08:29,000 INFO L78 Accepts]: Start accepts. Automaton has 5313 states and 7166 transitions. Word has length 70 [2020-10-12 23:08:29,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:08:29,000 INFO L479 AbstractCegarLoop]: Abstraction has 5313 states and 7166 transitions. [2020-10-12 23:08:29,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 23:08:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 5313 states and 7166 transitions. [2020-10-12 23:08:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 23:08:29,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:08:29,005 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:08:29,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 23:08:29,005 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:08:29,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:08:29,006 INFO L82 PathProgramCache]: Analyzing trace with hash 2103493056, now seen corresponding path program 1 times [2020-10-12 23:08:29,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:08:29,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061958340] [2020-10-12 23:08:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:08:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:30,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:31,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:31,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 23:08:31,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:31,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1168 [2020-10-12 23:08:31,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 23:08:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 23:08:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,105 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-12 23:08:32,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:08:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-10-12 23:08:32,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:08:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:08:32,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:08:32,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:32,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:08:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 23:08:32,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:08:32,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:08:32,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:08:32,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:08:32,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:32,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 23:08:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 23:08:32,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:08:32,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 23:08:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:08:32,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:32,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:32,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:08:32,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:08:32,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:32,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 23:08:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:08:32,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:32,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 23:08:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:08:32,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:08:32,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 23:08:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:32,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:32,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:32,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 23:08:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:32,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:32,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 23:08:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:08:32,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:32,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:32,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 23:08:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:08:32,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 23:08:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:32,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:32,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 23:08:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:32,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:32,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:32,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:32,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:32,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:32,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 23:08:32,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061958340] [2020-10-12 23:08:32,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:08:32,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:08:32,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438540903] [2020-10-12 23:08:32,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:08:32,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:08:32,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:08:32,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:08:32,970 INFO L87 Difference]: Start difference. First operand 5313 states and 7166 transitions. Second operand 6 states. [2020-10-12 23:08:50,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:08:50,190 INFO L93 Difference]: Finished difference Result 12293 states and 17203 transitions. [2020-10-12 23:08:50,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 23:08:50,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2020-10-12 23:08:50,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:08:50,229 INFO L225 Difference]: With dead ends: 12293 [2020-10-12 23:08:50,229 INFO L226 Difference]: Without dead ends: 7005 [2020-10-12 23:08:50,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 23:08:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7005 states. [2020-10-12 23:08:51,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7005 to 5849. [2020-10-12 23:08:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5849 states. [2020-10-12 23:08:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5849 states to 5849 states and 8085 transitions. [2020-10-12 23:08:51,415 INFO L78 Accepts]: Start accepts. Automaton has 5849 states and 8085 transitions. Word has length 109 [2020-10-12 23:08:51,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:08:51,415 INFO L479 AbstractCegarLoop]: Abstraction has 5849 states and 8085 transitions. [2020-10-12 23:08:51,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 23:08:51,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5849 states and 8085 transitions. [2020-10-12 23:08:51,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 23:08:51,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:08:51,420 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:08:51,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 23:08:51,420 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:08:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:08:51,421 INFO L82 PathProgramCache]: Analyzing trace with hash 401869116, now seen corresponding path program 1 times [2020-10-12 23:08:51,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:08:51,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913168785] [2020-10-12 23:08:51,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:08:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:51,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:53,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:53,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:56,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:56,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-12 23:08:56,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 23:08:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5146 [2020-10-12 23:08:56,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:08:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 23:08:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:58,250 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-12 23:08:58,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:08:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:58,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:58,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:58,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:58,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:58,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-12 23:08:58,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:08:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:08:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:58,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:58,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:58,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:08:58,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:58,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:08:58,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:08:58,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:08:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:58,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:58,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:58,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 23:08:58,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:08:58,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 23:08:58,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:58,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:58,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:58,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:58,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:08:58,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:58,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:58,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:58,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:58,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:58,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:58,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:58,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:08:58,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:58,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:58,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 23:08:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:58,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:58,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:58,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 23:08:58,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:58,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 23:08:58,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:08:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:08:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 23:08:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 23:08:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:59,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:08:59,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:08:59,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 23:08:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:59,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:08:59,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:08:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 23:08:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:08:59,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:08:59,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 23:08:59,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:08:59,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:08:59,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 23:08:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:59,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:08:59,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:08:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 23:08:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:59,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:08:59,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:59,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:59,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:59,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 23:08:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:59,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:08:59,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:59,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 23:08:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:59,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:08:59,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 23:08:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:59,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:59,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:59,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:59,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:08:59,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:59,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 23:08:59,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913168785] [2020-10-12 23:08:59,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:08:59,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 23:08:59,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238265051] [2020-10-12 23:08:59,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 23:08:59,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:08:59,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 23:08:59,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 23:08:59,245 INFO L87 Difference]: Start difference. First operand 5849 states and 8085 transitions. Second operand 10 states. [2020-10-12 23:09:00,303 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 448 [2020-10-12 23:09:03,522 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2020-10-12 23:09:04,965 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2020-10-12 23:09:09,065 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2020-10-12 23:09:13,831 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2020-10-12 23:09:14,888 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2020-10-12 23:09:32,830 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 445