/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:18:13,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:18:13,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:18:13,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:18:13,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:18:13,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:18:13,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:18:13,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:18:13,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:18:13,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:18:13,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:18:13,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:18:13,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:18:13,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:18:13,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:18:13,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:18:13,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:18:13,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:18:13,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:18:13,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:18:13,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:18:13,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:18:13,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:18:13,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:18:13,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:18:13,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:18:13,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:18:13,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:18:13,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:18:13,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:18:13,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:18:13,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:18:13,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:18:13,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:18:13,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:18:13,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:18:13,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:18:13,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:18:13,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:18:13,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:18:13,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:18:13,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:18:13,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:18:13,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:18:13,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:18:13,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:18:13,303 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:18:13,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:18:13,304 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:18:13,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:18:13,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:18:13,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:18:13,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:18:13,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:18:13,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:18:13,305 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:18:13,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:18:13,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:18:13,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:18:13,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:18:13,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:18:13,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:18:13,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:18:13,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:18:13,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:18:13,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:18:13,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:18:13,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:18:13,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:18:13,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:18:13,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:18:13,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:18:13,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:18:13,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:18:13,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:18:13,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:18:13,728 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:18:13,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2020-10-27 21:18:13,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2cff8e3ea/ceecafd2dfc3460d8708e2ba9ed891e5/FLAG97c918123 [2020-10-27 21:18:14,577 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:18:14,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2020-10-27 21:18:14,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2cff8e3ea/ceecafd2dfc3460d8708e2ba9ed891e5/FLAG97c918123 [2020-10-27 21:18:14,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2cff8e3ea/ceecafd2dfc3460d8708e2ba9ed891e5 [2020-10-27 21:18:14,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:18:14,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:18:14,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:18:14,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:18:14,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:18:14,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:18:14" (1/1) ... [2020-10-27 21:18:14,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab18cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:14, skipping insertion in model container [2020-10-27 21:18:14,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:18:14" (1/1) ... [2020-10-27 21:18:14,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:18:14,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:18:15,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:18:15,539 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:18:15,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:18:15,771 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:18:15,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15 WrapperNode [2020-10-27 21:18:15,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:18:15,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:18:15,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:18:15,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:18:15,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (1/1) ... [2020-10-27 21:18:15,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (1/1) ... [2020-10-27 21:18:15,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (1/1) ... [2020-10-27 21:18:15,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (1/1) ... [2020-10-27 21:18:15,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (1/1) ... [2020-10-27 21:18:15,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (1/1) ... [2020-10-27 21:18:15,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (1/1) ... [2020-10-27 21:18:15,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:18:15,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:18:15,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:18:15,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:18:15,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:18:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:18:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:18:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:18:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:18:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:18:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:18:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:18:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:18:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:18:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:18:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:18:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:18:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:18:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:18:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:18:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:18:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:18:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:18:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:18:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:18:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:18:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:18:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:18:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:18:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:18:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:18:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:18:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:18:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:18:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:18:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:18:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:18:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:18:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:18:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:18:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:18:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:18:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:18:16,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:18:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:18:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:18:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:18:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:18:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:18:16,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:18:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-27 21:18:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:18:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:18:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:18:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:18:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:18:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:18:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:18:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:18:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:18:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:18:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:18:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:18:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:18:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:18:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:18:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:18:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:18:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:18:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:18:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:18:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:18:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:18:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:18:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:18:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:18:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:18:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:18:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:18:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:18:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:18:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:18:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:18:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:18:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:18:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:18:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:18:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:18:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:18:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:18:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:18:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:18:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 21:18:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:18:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:18:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:18:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:18:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-27 21:18:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-27 21:18:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:18:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:18:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:18:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:18:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:18:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:18:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:18:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:18:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:18:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 21:18:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:18:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:18:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:18:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:18:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:18:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:18:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:18:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:18:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:18:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:18:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:18:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:18:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:18:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 21:18:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:18:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:18:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:18:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:18:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:18:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:18:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:18:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:18:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:18:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:18:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:18:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:18:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:18:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:18:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:18:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:18:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:18:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:18:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:18:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:18:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:18:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:18:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:18:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:18:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:18:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:18:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:18:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:18:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:18:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:18:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:18:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:18:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:18:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:18:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:18:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:18:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:18:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:18:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:18:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:18:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:18:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:18:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:18:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:18:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:18:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:18:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:18:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:18:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:18:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:18:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:18:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:18:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:18:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:18:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:18:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:18:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:18:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:18:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:18:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:18:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-27 21:18:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:18:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:18:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:18:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:18:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:18:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:18:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:18:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:18:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:18:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:18:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:18:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:18:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:18:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:18:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:18:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:18:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:18:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:18:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:18:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:18:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:18:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:18:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:18:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:18:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:18:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:18:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:18:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:18:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:18:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:18:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:18:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:18:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:18:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:18:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:18:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:18:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:18:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:18:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:18:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:18:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:18:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:18:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:18:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:18:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:18:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:18:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 21:18:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:18:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-27 21:18:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-27 21:18:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:18:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:18:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:18:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:18:18,337 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:18:18,337 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:18:18,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:18:18 BoogieIcfgContainer [2020-10-27 21:18:18,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:18:18,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:18:18,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:18:18,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:18:18,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:18:14" (1/3) ... [2020-10-27 21:18:18,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8ac21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:18:18, skipping insertion in model container [2020-10-27 21:18:18,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:18:15" (2/3) ... [2020-10-27 21:18:18,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8ac21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:18:18, skipping insertion in model container [2020-10-27 21:18:18,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:18:18" (3/3) ... [2020-10-27 21:18:18,349 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2020-10-27 21:18:18,361 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:18:18,367 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:18:18,381 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:18:18,411 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:18:18,412 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:18:18,412 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:18:18,412 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:18:18,412 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:18:18,412 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:18:18,412 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:18:18,412 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:18:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states. [2020-10-27 21:18:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 21:18:18,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:18:18,464 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:18:18,465 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:18:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:18:18,473 INFO L82 PathProgramCache]: Analyzing trace with hash -188973112, now seen corresponding path program 1 times [2020-10-27 21:18:18,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:18:18,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698684349] [2020-10-27 21:18:18,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:18:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:19,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:19,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:19,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:19,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:23,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:24,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:24,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-27 21:18:24,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:18:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:18:24,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:18:24,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:24,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:18:26,346 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:18:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:18:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:26,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:26,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:26,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:18:26,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:26,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 21:18:26,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:26,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:26,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:26,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:26,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:26,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:18:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:26,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:26,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:26,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:18:26,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:18:26,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:26,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:26,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:18:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:26,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:26,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:26,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:18:26,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:18:26,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:26,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:18:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:26,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:26,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:26,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:18:26,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:26,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:18:26,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:26,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:26,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:18:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:26,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:26,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:26,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:26,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:18:31,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:18:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:18:31,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:18:31,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:18:31,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 21:18:31,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:18:31,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:18:31,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:31,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:18:31,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:18:31,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:31,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:31,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:18:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:31,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:31,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:31,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:18:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:18:31,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:18:31,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:31,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:18:31,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:18:31,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:31,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:31,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:31,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:31,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:31,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:18:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:31,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:31,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:18:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:18:31,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:18:31,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 21:18:31,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:18:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:18:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:18:31,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:18:31,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:18:31,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:18:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:18:31,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:31,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:31,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:31,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:31,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:31,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:18:31,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:18:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:18:31,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:18:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:32,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:18:32,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:18:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:18:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:18:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:18:32,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:18:32,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:18:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:32,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:32,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:18:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:32,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:32,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:18:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:32,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:32,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:18:32,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 21:18:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:32,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:18:32,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:18:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:18:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:32,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:32,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:18:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 21:18:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:18:32,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:18:32,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:18:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:18:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:18:32,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:32,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:18:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:18:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:18:32,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:32,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:18:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 21:18:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:18:32,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:18:32,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:18:32,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:18:32,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:18:32,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:18:32,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:18:32,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:18:32,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:18:32,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:18:32,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:18:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:18:32,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698684349] [2020-10-27 21:18:32,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:18:32,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 21:18:32,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098970881] [2020-10-27 21:18:32,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:18:32,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:18:32,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:18:32,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:18:32,383 INFO L87 Difference]: Start difference. First operand 422 states. Second operand 17 states. [2020-10-27 21:18:36,262 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-27 21:18:39,707 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-27 21:18:41,775 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-27 21:18:43,874 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-27 21:18:45,967 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 21:19:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:19:03,205 INFO L93 Difference]: Finished difference Result 1149 states and 1697 transitions. [2020-10-27 21:19:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-27 21:19:03,208 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 155 [2020-10-27 21:19:03,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:19:03,238 INFO L225 Difference]: With dead ends: 1149 [2020-10-27 21:19:03,238 INFO L226 Difference]: Without dead ends: 705 [2020-10-27 21:19:03,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 21:19:03,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2020-10-27 21:19:03,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 408. [2020-10-27 21:19:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-10-27 21:19:03,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 534 transitions. [2020-10-27 21:19:03,574 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 534 transitions. Word has length 155 [2020-10-27 21:19:03,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:19:03,575 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 534 transitions. [2020-10-27 21:19:03,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 21:19:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 534 transitions. [2020-10-27 21:19:03,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 21:19:03,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:19:03,583 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:19:03,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:19:03,584 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:19:03,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:19:03,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1252980109, now seen corresponding path program 1 times [2020-10-27 21:19:03,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:19:03,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112166042] [2020-10-27 21:19:03,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:19:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:03,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:03,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:03,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:04,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:04,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:06,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:08,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:08,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 21:19:08,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:19:08,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 21:19:08,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:08,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:19:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:19:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:19:08,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:10,707 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:19:10,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:19:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:10,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:10,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:10,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:19:10,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:10,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 21:19:10,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:10,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:10,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:19:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:10,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:10,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:10,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:19:10,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:19:10,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:19:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:10,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:10,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:10,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:19:10,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:19:10,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:10,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:10,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:19:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:10,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:10,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:19:10,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:10,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:10,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:19:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:10,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:10,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:11,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:12,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:12,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:12,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:15,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:15,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:19:15,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:19:15,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:19:15,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:15,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:19:15,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:19:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:19:15,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:15,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:15,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:15,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:15,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:19:15,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:19:15,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:15,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:15,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:15,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:15,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:15,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:19:15,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:15,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:19:15,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:15,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:15,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:15,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:15,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:15,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:15,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:15,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:15,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:15,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:19:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:19:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:19:16,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:19:16,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:19:16,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:19:16,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:19:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:19:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:19:16,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:19:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 21:19:16,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:19:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:19:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:19:16,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:19:16,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:19:16,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:19:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:19:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:19:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:19:16,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:19:16,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:19:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:19:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:19:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:19:16,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:19:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:19:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:19:16,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:19:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:19:16,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:19:16,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:19:16,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:19:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:19:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:19:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 21:19:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:19:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:19:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:19:16,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:19:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 21:19:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:19:16,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:19:16,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:19:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:19:16,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 21:19:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:16,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:19:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:19:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:16,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:16,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:16,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:19:16,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:16,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:16,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:19:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:16,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:19:16,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112166042] [2020-10-27 21:19:16,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:19:16,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:19:16,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466806780] [2020-10-27 21:19:16,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:19:16,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:19:16,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:19:16,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:19:16,673 INFO L87 Difference]: Start difference. First operand 408 states and 534 transitions. Second operand 18 states. [2020-10-27 21:19:20,250 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:19:22,617 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:19:25,555 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:19:28,069 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:19:43,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:19:43,369 INFO L93 Difference]: Finished difference Result 1061 states and 1517 transitions. [2020-10-27 21:19:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 21:19:43,379 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 157 [2020-10-27 21:19:43,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:19:43,387 INFO L225 Difference]: With dead ends: 1061 [2020-10-27 21:19:43,387 INFO L226 Difference]: Without dead ends: 721 [2020-10-27 21:19:43,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=243, Invalid=1017, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 21:19:43,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-10-27 21:19:43,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 417. [2020-10-27 21:19:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-27 21:19:43,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 546 transitions. [2020-10-27 21:19:43,664 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 546 transitions. Word has length 157 [2020-10-27 21:19:43,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:19:43,665 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 546 transitions. [2020-10-27 21:19:43,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:19:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 546 transitions. [2020-10-27 21:19:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-27 21:19:43,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:19:43,677 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:19:43,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:19:43,677 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:19:43,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:19:43,681 INFO L82 PathProgramCache]: Analyzing trace with hash -754191849, now seen corresponding path program 1 times [2020-10-27 21:19:43,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:19:43,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243252781] [2020-10-27 21:19:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:19:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:43,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:44,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:44,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:44,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:46,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:46,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:46,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:46,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:47,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:48,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:48,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 21:19:48,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 21:19:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 21:19:48,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:19:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:19:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:19:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:50,848 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:19:50,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:19:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:50,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:50,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:50,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:19:50,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:50,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 21:19:50,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:50,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:50,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:50,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:50,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:19:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:50,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:50,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:50,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:19:50,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:50,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:19:50,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:50,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:50,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:50,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:19:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:50,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:50,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:50,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:19:50,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:50,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:19:50,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:50,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:50,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:50,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:19:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:50,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:50,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:50,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:19:50,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:50,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:19:50,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:50,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:50,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:19:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:50,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:50,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:50,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:51,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:51,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:55,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:55,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:19:55,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:19:55,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:19:55,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:19:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:19:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:19:55,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:19:56,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:19:56,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:19:56,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:19:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:19:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:19:56,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:19:56,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:19:56,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:19:56,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:19:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:19:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:19:56,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:19:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 21:19:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:19:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:19:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:19:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:19:56,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:19:56,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:19:56,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:19:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:19:56,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:19:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:19:56,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:19:56,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:19:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:19:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 21:19:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:19:56,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:19:56,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:19:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:19:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:19:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:19:56,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:19:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:19:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:19:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:19:56,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 21:19:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:19:56,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:19:56,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:19:56,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:19:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:19:56,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:19:56,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 21:19:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:19:56,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:19:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 21:19:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:19:56,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:19:56,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:19:56,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:19:56,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:19:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:19:56,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:19:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:19:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:19:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:19:56,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:19:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:19:56,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243252781] [2020-10-27 21:19:56,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:19:56,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 21:19:56,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223982223] [2020-10-27 21:19:56,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 21:19:56,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:19:56,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 21:19:56,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:19:56,600 INFO L87 Difference]: Start difference. First operand 417 states and 546 transitions. Second operand 16 states. [2020-10-27 21:19:59,910 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-27 21:20:02,766 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-27 21:20:04,697 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-27 21:20:07,209 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:20:09,708 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-27 21:20:27,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:20:27,137 INFO L93 Difference]: Finished difference Result 1191 states and 1766 transitions. [2020-10-27 21:20:27,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 21:20:27,144 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 170 [2020-10-27 21:20:27,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:20:27,154 INFO L225 Difference]: With dead ends: 1191 [2020-10-27 21:20:27,154 INFO L226 Difference]: Without dead ends: 845 [2020-10-27 21:20:27,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=406, Invalid=1400, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 21:20:27,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-10-27 21:20:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 461. [2020-10-27 21:20:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-27 21:20:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 621 transitions. [2020-10-27 21:20:27,440 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 621 transitions. Word has length 170 [2020-10-27 21:20:27,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:20:27,441 INFO L481 AbstractCegarLoop]: Abstraction has 461 states and 621 transitions. [2020-10-27 21:20:27,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 21:20:27,441 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 621 transitions. [2020-10-27 21:20:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 21:20:27,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:20:27,445 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:20:27,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:20:27,446 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:20:27,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:20:27,446 INFO L82 PathProgramCache]: Analyzing trace with hash 2031444605, now seen corresponding path program 1 times [2020-10-27 21:20:27,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:20:27,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838602237] [2020-10-27 21:20:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:20:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:27,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:27,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:27,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:27,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:28,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:32,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:32,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-27 21:20:32,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 21:20:32,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 21:20:32,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:20:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:20:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 21:20:32,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:34,444 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:20:34,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:20:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:34,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:34,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:34,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:20:34,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:34,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 21:20:34,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:34,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:34,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:34,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:34,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:34,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:20:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:34,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:34,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:34,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:20:34,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:34,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:34,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:34,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:34,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:20:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:34,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:20:34,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:34,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:20:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:34,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:34,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:20:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:34,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:34,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:34,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:34,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:35,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:20:39,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:20:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:20:39,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:20:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:20:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:20:39,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:20:39,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:20:39,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:20:39,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:39,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:39,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:20:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:39,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:39,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:20:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:20:39,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:20:39,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:20:39,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:39,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:39,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:39,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:20:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:39,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:39,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:20:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:20:39,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:20:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 21:20:39,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:20:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:20:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:20:39,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:20:39,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:20:39,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:20:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:20:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:20:39,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:20:39,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:20:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:20:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:20:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:39,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:20:39,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:20:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:20:39,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:20:39,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 21:20:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:20:39,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:20:39,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:20:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 21:20:39,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:39,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:20:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:39,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:39,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:39,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:39,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:39,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:39,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:39,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:39,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:20:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:40,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:40,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:20:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:40,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:40,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:40,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 21:20:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:40,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:40,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 21:20:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:40,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:40,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:20:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:40,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:40,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 21:20:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:20:40,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:40,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:20:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:20:40,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:40,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 21:20:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:40,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:40,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 21:20:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:20:40,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:20:40,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:20:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:20:40,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838602237] [2020-10-27 21:20:40,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:20:40,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 21:20:40,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161487597] [2020-10-27 21:20:40,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 21:20:40,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:20:40,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 21:20:40,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:20:40,196 INFO L87 Difference]: Start difference. First operand 461 states and 621 transitions. Second operand 20 states. [2020-10-27 21:20:44,056 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-27 21:20:46,470 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:20:49,900 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:20:52,597 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:20:54,522 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:21:16,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:21:16,915 INFO L93 Difference]: Finished difference Result 1484 states and 2299 transitions. [2020-10-27 21:21:16,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 21:21:16,916 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 173 [2020-10-27 21:21:16,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:21:16,925 INFO L225 Difference]: With dead ends: 1484 [2020-10-27 21:21:16,925 INFO L226 Difference]: Without dead ends: 1096 [2020-10-27 21:21:16,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=413, Invalid=1657, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 21:21:16,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2020-10-27 21:21:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 508. [2020-10-27 21:21:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2020-10-27 21:21:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 699 transitions. [2020-10-27 21:21:17,168 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 699 transitions. Word has length 173 [2020-10-27 21:21:17,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:21:17,169 INFO L481 AbstractCegarLoop]: Abstraction has 508 states and 699 transitions. [2020-10-27 21:21:17,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 21:21:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 699 transitions. [2020-10-27 21:21:17,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-27 21:21:17,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:21:17,173 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:21:17,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:21:17,174 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:21:17,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:21:17,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1240906756, now seen corresponding path program 1 times [2020-10-27 21:21:17,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:21:17,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16164826] [2020-10-27 21:21:17,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:21:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:17,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:17,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:17,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:18,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:22,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:22,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-27 21:21:22,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 21:21:22,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 21:21:22,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:22,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:21:22,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:21:22,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:21:22,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:24,160 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:21:24,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:21:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:24,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:24,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:24,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:21:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:24,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:24,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:21:24,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:24,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:24,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:24,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:24,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:21:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:24,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:24,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:21:24,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:24,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:24,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:24,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:24,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:24,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:24,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:24,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:21:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:24,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:24,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:21:24,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:24,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:24,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:21:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:24,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:24,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:21:29,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:21:29,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:21:29,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:21:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:21:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:21:29,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:21:29,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:21:29,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:21:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:29,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:21:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:21:29,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:21:29,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:21:29,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:21:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:29,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:21:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:29,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:21:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:21:29,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 21:21:29,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:21:29,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:21:29,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:21:29,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:21:29,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:21:29,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:21:29,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:21:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:21:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:21:29,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:21:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:21:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:21:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:21:29,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:21:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:21:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:21:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 21:21:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:21:29,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:21:29,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:21:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:29,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:21:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:29,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 21:21:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:29,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:21:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:29,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:21:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 21:21:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:21:29,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:29,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:21:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:21:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:29,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:29,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 21:21:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:29,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:29,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:29,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:21:29,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:29,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:29,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:21:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:29,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:21:29,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16164826] [2020-10-27 21:21:29,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:21:29,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:21:29,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516534116] [2020-10-27 21:21:29,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:21:29,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:21:29,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:21:29,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:21:29,823 INFO L87 Difference]: Start difference. First operand 508 states and 699 transitions. Second operand 18 states. [2020-10-27 21:21:32,988 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:21:35,218 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-27 21:21:37,740 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-27 21:21:40,723 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 21:21:42,939 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-27 21:21:45,173 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-27 21:21:47,431 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 550