/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_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:20:26,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:20:26,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:20:27,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:20:27,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:20:27,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:20:27,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:20:27,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:20:27,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:20:27,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:20:27,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:20:27,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:20:27,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:20:27,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:20:27,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:20:27,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:20:27,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:20:27,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:20:27,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:20:27,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:20:27,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:20:27,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:20:27,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:20:27,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:20:27,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:20:27,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:20:27,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:20:27,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:20:27,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:20:27,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:20:27,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:20:27,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:20:27,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:20:27,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:20:27,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:20:27,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:20:27,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:20:27,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:20:27,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:20:27,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:20:27,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:20:27,138 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 21:20:27,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:20:27,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:20:27,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:20:27,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:20:27,187 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:20:27,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:20:27,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:20:27,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:20:27,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:20:27,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:20:27,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:20:27,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:20:27,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:20:27,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:20:27,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:20:27,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:20:27,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:20:27,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:20:27,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:20:27,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:20:27,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:20:27,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:20:27,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:20:27,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:20:27,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:20:27,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:20:27,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:20:27,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:20:27,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:20:27,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:20:27,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:20:27,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:20:27,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:20:27,634 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:20:27,634 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:20:27,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c [2020-10-27 21:20:27,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29e91d268/c0e4ffc6adf140daa0b4bea050aae5d1/FLAG3656bd5d8 [2020-10-27 21:20:28,517 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:20:28,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c [2020-10-27 21:20:28,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29e91d268/c0e4ffc6adf140daa0b4bea050aae5d1/FLAG3656bd5d8 [2020-10-27 21:20:28,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/29e91d268/c0e4ffc6adf140daa0b4bea050aae5d1 [2020-10-27 21:20:28,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:20:28,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:20:28,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:20:28,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:20:28,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:20:28,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:20:28" (1/1) ... [2020-10-27 21:20:28,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fec2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:28, skipping insertion in model container [2020-10-27 21:20:28,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:20:28" (1/1) ... [2020-10-27 21:20:28,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:20:28,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:20:29,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:20:29,467 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:20:29,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:20:29,837 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:20:29,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29 WrapperNode [2020-10-27 21:20:29,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:20:29,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:20:29,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:20:29,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:20:29,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (1/1) ... [2020-10-27 21:20:29,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (1/1) ... [2020-10-27 21:20:29,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (1/1) ... [2020-10-27 21:20:29,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (1/1) ... [2020-10-27 21:20:30,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (1/1) ... [2020-10-27 21:20:30,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (1/1) ... [2020-10-27 21:20:30,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (1/1) ... [2020-10-27 21:20:30,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:20:30,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:20:30,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:20:30,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:20:30,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (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 21:20:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:20:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:20:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:20:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:20:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:20:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:20:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:20:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:20:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:20:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:20:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:20:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:20:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:20:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:20:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:20:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:20:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:20:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:20:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:20:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:20:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:20:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:20:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:20:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:20:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:20:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:20:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:20:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:20:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:20:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:20:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:20:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:20:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:20:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:20:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:20:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:20:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:20:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:20:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:20:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:20:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:20:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:20:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:20:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:20:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:20:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:20:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:20:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:20:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:20:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:20:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:20:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:20:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:20:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:20:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:20:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:20:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:20:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:20:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:20:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:20:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:20:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:20:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:20:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:20:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:20:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:20:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:20:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 21:20:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:20:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:20:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:20:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:20:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:20:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:20:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:20:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:20:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:20:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:20:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:20:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:20:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:20:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:20:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:20:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:20:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:20:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:20:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:20:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:20:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:20:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:20:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-27 21:20:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:20:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:20:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:20:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:20:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:20:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:20:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:20:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:20:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:20:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:20:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:20:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:20:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:20:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:20:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:20:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:20:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:20:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:20:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:20:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:20:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:20:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:20:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:20:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:20:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:20:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:20:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:20:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:20:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:20:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:20:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:20:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:20:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:20:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:20:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:20:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:20:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:20:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:20:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:20:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:20:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:20:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:20:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:20:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:20:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:20:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:20:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:20:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:20:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:20:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:20:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:20:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:20:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:20:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:20:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:20:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:20:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:20:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:20:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:20:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:20:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:20:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:20:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:20:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:20:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:20:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:20:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:20:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:20:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:20:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:20:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:20:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:20:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:20:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:20:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:20:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:20:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:20:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:20:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:20:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:20:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:20:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:20:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:20:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:20:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:20:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:20:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:20:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:20:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:20:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:20:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 21:20:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:20:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:20:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:20:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:20:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:20:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:20:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:20:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:20:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-27 21:20:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:20:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:20:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:20:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:20:32,402 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:20:32,403 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:20:32,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:20:32 BoogieIcfgContainer [2020-10-27 21:20:32,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:20:32,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:20:32,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:20:32,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:20:32,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:20:28" (1/3) ... [2020-10-27 21:20:32,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe0f89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:20:32, skipping insertion in model container [2020-10-27 21:20:32,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:20:29" (2/3) ... [2020-10-27 21:20:32,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe0f89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:20:32, skipping insertion in model container [2020-10-27 21:20:32,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:20:32" (3/3) ... [2020-10-27 21:20:32,415 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product16.cil.c [2020-10-27 21:20:32,426 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:20:32,432 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:20:32,445 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:20:32,475 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:20:32,475 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:20:32,476 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:20:32,476 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:20:32,476 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:20:32,476 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:20:32,476 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:20:32,476 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:20:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-10-27 21:20:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 21:20:32,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:20:32,528 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] [2020-10-27 21:20:32,529 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 21:20:32,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:20:32,541 INFO L82 PathProgramCache]: Analyzing trace with hash 813816742, now seen corresponding path program 1 times [2020-10-27 21:20:32,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:20:32,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498492882] [2020-10-27 21:20:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:20:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:33,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:33,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:33,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:35,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:35,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:37,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:38,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:38,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-27 21:20:38,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:20:38,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 21:20:38,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:38,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:20:38,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:38,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:20:40,499 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:20:40,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:20:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:20:40,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 21:20:40,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:20:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:20:40,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:40,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:20:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:20:40,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:40,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:20:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:40,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:20:40,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:40,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:40,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:40,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:40,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:40,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:40,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:40,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:20:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:40,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:40,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:42,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:20:45,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:20:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 21:20:45,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:20:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:20:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 21:20:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:20:45,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:20:45,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:45,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:45,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:20:45,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:20:45,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:45,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:45,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:20:45,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:45,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:45,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:20:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:45,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:45,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:45,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:45,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:20:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:20:45,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:45,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:20:45,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:20:45,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:20:45,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:45,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:20:45,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:45,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:45,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:45,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:20:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:45,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:45,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:45,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:20:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:45,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:45,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:20:46,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:20:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 21:20:46,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:20:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:20:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:20:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:20:46,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 21:20:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:20:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:20:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:46,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 21:20:46,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:20:46,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:46,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:20:46,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:20:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:20:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:20:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:20:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:20:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:20:46,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:20:46,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:46,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:20:46,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:20:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:46,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:46,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:46,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:20:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:46,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:46,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:20:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:46,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:20:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:46,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:46,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:46,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:46,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:46,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 21:20:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:20:46,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:20:46,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:20:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:46,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 21:20:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:46,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:46,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:20:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:46,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:20:46,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:46,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:20:46,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 21:20:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:20:46,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:20:46,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:20:46,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:20:46,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:20:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:20:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:20:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:20:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:20:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:20:46,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:20:46,540 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 21:20:46,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498492882] [2020-10-27 21:20:46,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:20:46,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 21:20:46,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362744744] [2020-10-27 21:20:46,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:20:46,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:20:46,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:20:46,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:20:46,573 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 17 states. [2020-10-27 21:20:49,942 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:20:53,422 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:20:55,400 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:20:57,391 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:20:59,362 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:21:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:21:18,277 INFO L93 Difference]: Finished difference Result 1267 states and 1867 transitions. [2020-10-27 21:21:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-27 21:21:18,279 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 146 [2020-10-27 21:21:18,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:21:18,321 INFO L225 Difference]: With dead ends: 1267 [2020-10-27 21:21:18,321 INFO L226 Difference]: Without dead ends: 765 [2020-10-27 21:21:18,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 21:21:18,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2020-10-27 21:21:18,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 466. [2020-10-27 21:21:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-27 21:21:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 617 transitions. [2020-10-27 21:21:18,689 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 617 transitions. Word has length 146 [2020-10-27 21:21:18,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:21:18,689 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 617 transitions. [2020-10-27 21:21:18,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 21:21:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 617 transitions. [2020-10-27 21:21:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 21:21:18,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:21:18,696 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] [2020-10-27 21:21:18,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:21:18,697 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 21:21:18,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:21:18,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1878871061, now seen corresponding path program 1 times [2020-10-27 21:21:18,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:21:18,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989975409] [2020-10-27 21:21:18,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:21:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:18,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:18,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:19,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:23,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:23,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 21:21:23,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:21:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 21:21:23,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:21:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:21:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:21:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:25,777 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:21:25,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:21:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:25,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:25,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:25,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:21:25,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 21:21:25,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:25,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:21:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:25,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:25,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:25,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:21:25,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:25,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:25,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:25,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:25,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:21:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:25,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:25,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:25,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:21:25,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:21:25,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:25,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:21:25,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:21:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:25,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:25,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:25,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:21:25,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:25,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:25,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:25,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:25,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:21:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:25,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:25,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:25,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:27,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:27,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:27,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:30,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:30,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:21:30,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:21:30,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:21:30,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:21:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:21:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:21:30,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:30,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:30,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:30,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:30,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:21:30,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:30,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:21:30,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:30,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:30,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:30,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:30,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:30,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:21:30,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:30,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:21:30,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:30,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:30,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:30,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:30,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:30,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:30,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:21:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:21:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:21:31,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:21:31,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:21:31,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:21:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:21:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:21:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:21:31,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:21:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 21:21:31,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:21:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:21:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:21:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:21:31,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:21:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 21:21:31,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:21:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:21:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:21:31,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:21:31,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:21:31,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:21:31,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:21:31,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:21:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:21:31,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:21:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:21:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:21:31,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:21:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:21:31,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:21:31,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:21:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:21:31,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:21:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:21:31,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:21:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:21:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:21:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 21:21:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:21:31,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:21:31,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:21:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 21:21:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 21:21:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:21:31,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:31,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 21:21:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:21:31,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:21:31,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:21:31,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:21:31,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:21:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:21:31,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:21:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:21:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:21:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:21:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:21:31,671 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 21:21:31,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989975409] [2020-10-27 21:21:31,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:21:31,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:21:31,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877827471] [2020-10-27 21:21:31,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:21:31,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:21:31,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:21:31,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:21:31,677 INFO L87 Difference]: Start difference. First operand 466 states and 617 transitions. Second operand 18 states. [2020-10-27 21:21:35,706 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:21:38,134 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-27 21:21:41,140 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:21:43,705 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:22:00,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:22:00,211 INFO L93 Difference]: Finished difference Result 1179 states and 1688 transitions. [2020-10-27 21:22:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 21:22:00,211 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2020-10-27 21:22:00,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:22:00,221 INFO L225 Difference]: With dead ends: 1179 [2020-10-27 21:22:00,221 INFO L226 Difference]: Without dead ends: 781 [2020-10-27 21:22:00,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=243, Invalid=1017, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 21:22:00,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-27 21:22:00,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 475. [2020-10-27 21:22:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-27 21:22:00,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 629 transitions. [2020-10-27 21:22:00,486 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 629 transitions. Word has length 148 [2020-10-27 21:22:00,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:22:00,486 INFO L481 AbstractCegarLoop]: Abstraction has 475 states and 629 transitions. [2020-10-27 21:22:00,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:22:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 629 transitions. [2020-10-27 21:22:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 21:22:00,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:22:00,490 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] [2020-10-27 21:22:00,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:22:00,491 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 21:22:00,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:22:00,491 INFO L82 PathProgramCache]: Analyzing trace with hash 139070173, now seen corresponding path program 1 times [2020-10-27 21:22:00,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:22:00,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551795872] [2020-10-27 21:22:00,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:22:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:00,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:00,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:00,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:00,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:01,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:02,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:05,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:05,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-27 21:22:05,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:22:05,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 21:22:05,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:22:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:22:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:22:05,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:07,707 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:22:07,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:22:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:07,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:07,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:07,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 21:22:07,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:07,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:07,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:07,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:07,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:07,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:07,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:07,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:22:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:07,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:07,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:07,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:07,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:07,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:22:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:07,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:07,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:07,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:07,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:22:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:07,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:12,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:12,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:22:12,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:22:12,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:22:12,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:12,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:22:12,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:22:12,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:22:12,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:12,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:12,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:12,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:12,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:12,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:22:12,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:12,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:12,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:12,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:12,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:12,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:12,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:12,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:12,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:12,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:12,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:12,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:12,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:12,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:12,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:13,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:22:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:13,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:22:13,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:13,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:13,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:22:13,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:22:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:22:13,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:22:13,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 21:22:13,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:22:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:22:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:22:13,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:22:13,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:22:13,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:22:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:22:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:13,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:22:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:13,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:22:13,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:22:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:22:13,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 21:22:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:22:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:22:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:22:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:22:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:22:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:13,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:22:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 21:22:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:22:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 21:22:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:13,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:22:13,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551795872] [2020-10-27 21:22:13,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:22:13,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 21:22:13,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431213658] [2020-10-27 21:22:13,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:22:13,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:22:13,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:22:13,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:22:13,638 INFO L87 Difference]: Start difference. First operand 475 states and 629 transitions. Second operand 17 states. [2020-10-27 21:22:16,470 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:22:19,150 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:22:22,070 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:22:24,511 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:22:26,547 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:22:43,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:22:43,854 INFO L93 Difference]: Finished difference Result 1240 states and 1791 transitions. [2020-10-27 21:22:43,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 21:22:43,856 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 155 [2020-10-27 21:22:43,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:22:43,863 INFO L225 Difference]: With dead ends: 1240 [2020-10-27 21:22:43,863 INFO L226 Difference]: Without dead ends: 836 [2020-10-27 21:22:43,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=341, Invalid=1141, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 21:22:43,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-10-27 21:22:44,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 520. [2020-10-27 21:22:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-10-27 21:22:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 706 transitions. [2020-10-27 21:22:44,127 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 706 transitions. Word has length 155 [2020-10-27 21:22:44,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:22:44,127 INFO L481 AbstractCegarLoop]: Abstraction has 520 states and 706 transitions. [2020-10-27 21:22:44,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 21:22:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 706 transitions. [2020-10-27 21:22:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 21:22:44,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:22:44,131 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] [2020-10-27 21:22:44,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:22:44,131 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 21:22:44,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:22:44,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1968729438, now seen corresponding path program 1 times [2020-10-27 21:22:44,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:22:44,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292449886] [2020-10-27 21:22:44,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:22:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:44,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:44,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:44,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:44,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:45,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:45,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:46,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:49,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:49,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 21:22:49,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 21:22:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 21:22:49,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:22:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:22:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 21:22:49,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,089 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:22:51,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:22:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:51,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 21:22:51,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:51,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:51,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:22:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:51,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:51,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:22:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:51,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:51,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:51,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:51,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:22:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:51,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:51,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:55,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:55,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:22:55,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:22:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4744 [2020-10-27 21:22:55,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:22:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:22:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:22:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:55,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:55,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:55,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:55,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:55,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:55,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:55,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:55,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:56,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:22:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:56,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:56,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:22:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:22:56,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:22:56,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 21:22:56,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:22:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:22:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:22:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:22:56,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:22:56,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:22:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:22:56,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:22:56,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:22:56,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:22:56,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:22:56,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:22:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:56,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:22:56,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:22:56,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:22:56,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 21:22:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:22:56,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:22:56,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:22:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:56,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:22:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:56,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:56,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:22:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:56,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:22:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:22:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:22:56,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:22:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:22:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:56,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:56,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:56,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:56,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:56,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:56,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:56,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:56,545 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 21:22:56,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292449886] [2020-10-27 21:22:56,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:22:56,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:22:56,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253886069] [2020-10-27 21:22:56,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:22:56,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:22:56,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:22:56,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:22:56,548 INFO L87 Difference]: Start difference. First operand 520 states and 706 transitions. Second operand 18 states. [2020-10-27 21:22:59,712 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-27 21:23:02,230 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:23:04,574 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:23:07,719 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:23:10,411 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:23:31,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:23:31,541 INFO L93 Difference]: Finished difference Result 1410 states and 2102 transitions. [2020-10-27 21:23:31,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 21:23:31,547 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 161 [2020-10-27 21:23:31,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:23:31,554 INFO L225 Difference]: With dead ends: 1410 [2020-10-27 21:23:31,554 INFO L226 Difference]: Without dead ends: 963 [2020-10-27 21:23:31,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=291, Invalid=1191, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 21:23:31,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-10-27 21:23:31,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 569. [2020-10-27 21:23:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-10-27 21:23:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 787 transitions. [2020-10-27 21:23:31,942 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 787 transitions. Word has length 161 [2020-10-27 21:23:31,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:23:31,943 INFO L481 AbstractCegarLoop]: Abstraction has 569 states and 787 transitions. [2020-10-27 21:23:31,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:23:31,943 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 787 transitions. [2020-10-27 21:23:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 21:23:31,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:23:31,950 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:31,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:23:31,951 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 21:23:31,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:23:31,951 INFO L82 PathProgramCache]: Analyzing trace with hash -168605801, now seen corresponding path program 1 times [2020-10-27 21:23:31,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:23:31,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331980571] [2020-10-27 21:23:31,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:23:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:32,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:32,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:32,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:32,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:32,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:32,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:33,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:36,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:36,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:37,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:37,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 21:23:37,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 21:23:37,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-27 21:23:37,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:37,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:23:37,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-27 21:23:37,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:23:37,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:39,011 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:23:39,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:23:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:39,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:39,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:23:39,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 21:23:39,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:23:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:39,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:39,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:39,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:23:39,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:39,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:39,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:23:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:39,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:39,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:39,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:23:39,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:39,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:39,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:39,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:23:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:39,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:39,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:39,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:23:39,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:39,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:39,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:39,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:39,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:39,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:39,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:23:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:39,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:39,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:39,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:40,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:40,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:23:44,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:23:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:23:44,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:23:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:23:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:23:44,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:23:44,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:23:44,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:44,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:23:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:23:44,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:44,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:44,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:23:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:23:44,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 21:23:44,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:23:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:23:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:23:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:23:44,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:23:44,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:23:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:23:44,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:23:44,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:23:44,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:23:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:23:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:23:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:44,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:23:44,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:23:44,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:23:44,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 21:23:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:23:44,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:23:44,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:23:44,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:23:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:23:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:44,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:23:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:23:44,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:23:44,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:23:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:44,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:23:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:44,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:44,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:23:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:44,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:44,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:44,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:44,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:44,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:44,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:44,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:44,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:44,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:44,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:23:44,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331980571] [2020-10-27 21:23:44,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:23:44,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:23:44,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119776681] [2020-10-27 21:23:44,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:23:44,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:23:44,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:23:44,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:23:44,637 INFO L87 Difference]: Start difference. First operand 569 states and 787 transitions. Second operand 18 states. [2020-10-27 21:23:48,269 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:23:50,290 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:23:52,614 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:23:55,628 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:23:57,746 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:23:59,844 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-27 21:24:02,165 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 559