/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:32:40,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:32:40,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:32:40,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:32:40,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:32:40,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:32:40,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:32:40,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:32:40,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:32:40,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:32:40,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:32:40,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:32:40,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:32:40,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:32:40,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:32:40,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:32:40,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:32:40,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:32:40,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:32:40,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:32:40,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:32:40,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:32:40,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:32:40,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:32:40,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:32:40,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:32:40,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:32:40,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:32:40,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:32:40,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:32:40,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:32:40,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:32:40,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:32:40,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:32:40,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:32:40,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:32:40,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:32:40,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:32:40,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:32:40,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:32:40,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:32:40,470 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 [2020-10-12 17:32:40,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:32:40,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:32:40,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:32:40,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:32:40,507 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:32:40,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:32:40,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:32:40,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:32:40,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:32:40,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:32:40,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:32:40,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:32:40,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:32:40,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:32:40,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:32:40,510 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:32:40,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:32:40,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:32:40,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:32:40,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:32:40,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:32:40,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:32:40,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:32:40,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:32:40,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:32:40,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:32:40,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:32:40,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:32:40,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:32:40,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:32:40,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:32:40,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:32:40,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:32:40,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:32:40,826 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:32:40,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2020-10-12 17:32:40,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9883d797/be1504621b7847c78c4bfe33b9011f41/FLAG8f59eb435 [2020-10-12 17:32:41,535 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:32:41,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2020-10-12 17:32:41,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9883d797/be1504621b7847c78c4bfe33b9011f41/FLAG8f59eb435 [2020-10-12 17:32:41,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9883d797/be1504621b7847c78c4bfe33b9011f41 [2020-10-12 17:32:41,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:32:41,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:32:41,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:32:41,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:32:41,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:32:41,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:32:41" (1/1) ... [2020-10-12 17:32:41,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2092bb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:41, skipping insertion in model container [2020-10-12 17:32:41,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:32:41" (1/1) ... [2020-10-12 17:32:41,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:32:41,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:32:42,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:32:42,694 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:32:42,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:32:42,961 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:32:42,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42 WrapperNode [2020-10-12 17:32:42,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:32:42,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:32:42,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:32:42,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:32:42,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (1/1) ... [2020-10-12 17:32:42,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (1/1) ... [2020-10-12 17:32:43,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (1/1) ... [2020-10-12 17:32:43,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (1/1) ... [2020-10-12 17:32:43,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (1/1) ... [2020-10-12 17:32:43,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (1/1) ... [2020-10-12 17:32:43,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (1/1) ... [2020-10-12 17:32:43,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:32:43,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:32:43,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:32:43,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:32:43,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:32:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:32:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:32:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:32:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-12 17:32:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:32:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:32:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:32:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:32:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:32:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:32:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:32:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:32:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:32:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:32:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:32:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:32:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:32:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:32:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:32:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:32:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:32:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:32:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:32:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:32:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:32:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:32:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:32:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:32:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:32:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:32:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:32:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:32:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:32:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:32:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:32:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:32:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:32:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:32:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-12 17:32:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:32:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:32:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:32:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:32:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:32:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:32:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:32:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:32:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-12 17:32:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-12 17:32:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:32:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:32:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:32:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:32:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:32:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:32:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:32:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:32:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:32:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-12 17:32:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:32:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-12 17:32:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:32:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:32:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:32:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:32:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:32:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:32:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:32:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:32:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:32:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:32:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:32:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:32:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:32:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:32:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:32:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:32:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:32:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:32:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:32:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:32:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:32:43,247 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:32:43,247 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:32:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:32:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:32:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:32:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:32:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:32:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:32:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:32:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:32:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:32:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:32:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:32:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:32:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:32:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:32:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:32:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:32:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:32:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:32:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:32:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:32:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:32:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:32:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:32:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-12 17:32:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:32:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:32:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:32:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:32:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:32:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:32:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:32:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:32:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:32:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:32:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:32:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:32:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:32:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:32:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:32:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:32:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:32:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:32:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:32:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:32:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:32:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:32:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:32:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:32:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:32:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:32:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:32:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:32:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:32:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:32:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:32:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:32:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:32:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:32:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:32:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:32:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:32:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:32:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:32:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:32:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:32:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:32:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:32:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:32:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:32:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:32:43,274 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:32:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:32:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:32:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:32:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:32:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:32:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:32:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-12 17:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:32:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:32:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:32:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:32:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:32:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:32:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:32:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:32:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:32:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:32:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:32:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:32:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:32:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-12 17:32:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-12 17:32:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:32:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:32:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:32:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:32:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:32:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:32:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:32:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:32:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:32:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:32:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:32:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:32:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:32:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:32:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:32:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:32:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:32:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:32:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:32:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:32:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:32:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:32:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:32:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:32:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:32:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:32:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:32:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:32:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:32:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:32:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:32:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:32:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:32:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:32:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:32:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:32:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:32:45,311 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:32:45,312 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:32:45,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:32:45 BoogieIcfgContainer [2020-10-12 17:32:45,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:32:45,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:32:45,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:32:45,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:32:45,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:32:41" (1/3) ... [2020-10-12 17:32:45,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa88f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:32:45, skipping insertion in model container [2020-10-12 17:32:45,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:42" (2/3) ... [2020-10-12 17:32:45,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa88f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:32:45, skipping insertion in model container [2020-10-12 17:32:45,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:32:45" (3/3) ... [2020-10-12 17:32:45,327 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2020-10-12 17:32:45,339 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:32:45,348 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:32:45,364 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:32:45,391 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:32:45,391 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:32:45,392 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:32:45,392 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:32:45,392 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:32:45,392 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:32:45,392 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:32:45,392 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:32:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states. [2020-10-12 17:32:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 17:32:45,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:32:45,441 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:32:45,441 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:32:45,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:32:45,448 INFO L82 PathProgramCache]: Analyzing trace with hash -2112849319, now seen corresponding path program 1 times [2020-10-12 17:32:45,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:32:45,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816098953] [2020-10-12 17:32:45,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:32:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:50,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:50,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-12 17:32:50,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:32:50,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-12 17:32:50,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:32:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 17:32:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:32:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:32:52,822 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:32:52,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:32:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:52,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:52,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:52,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:32:52,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 17:32:52,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:52,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:32:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:52,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:52,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:52,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:32:52,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:52,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:52,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:52,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:52,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:52,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:52,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:32:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:52,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:52,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:52,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:32:52,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:52,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:52,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:52,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:32:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:52,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:52,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:52,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:32:52,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:52,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:52,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:52,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:52,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:32:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:52,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:53,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:53,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:57,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:57,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:32:57,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:32:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:32:57,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:32:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:32:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:32:57,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:32:58,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:32:58,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:32:58,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:32:58,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:32:58,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:32:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:58,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:32:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:32:58,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:32:58,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:32:58,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:32:58,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:58,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:58,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:32:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:58,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:58,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:32:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:32:58,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:32:58,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-12 17:32:58,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:32:58,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:32:58,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:32:58,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:32:58,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:32:58,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:32:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:32:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:32:58,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:32:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:32:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:32:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:32:58,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:32:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:32:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:32:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:32:58,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:32:58,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:32:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:58,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:32:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:58,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 17:32:58,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:32:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:32:58,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:32:58,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:32:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:32:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:58,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:32:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:32:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:32:58,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:32:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:58,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:32:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:58,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:32:58,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:32:58,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 17:32:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:58,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:58,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:58,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:32:58,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:58,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:32:58,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:32:58,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:58,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:58,827 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:32:58,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816098953] [2020-10-12 17:32:58,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:32:58,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 17:32:58,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460028338] [2020-10-12 17:32:58,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:32:58,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:32:58,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:32:58,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:32:58,858 INFO L87 Difference]: Start difference. First operand 490 states. Second operand 18 states. [2020-10-12 17:33:01,539 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:33:04,141 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:33:05,458 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:33:06,751 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:33:08,098 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:33:24,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:33:24,856 INFO L93 Difference]: Finished difference Result 1409 states and 2122 transitions. [2020-10-12 17:33:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-12 17:33:24,858 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 150 [2020-10-12 17:33:24,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:33:24,885 INFO L225 Difference]: With dead ends: 1409 [2020-10-12 17:33:24,886 INFO L226 Difference]: Without dead ends: 825 [2020-10-12 17:33:24,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1928 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1159, Invalid=4693, Unknown=0, NotChecked=0, Total=5852 [2020-10-12 17:33:24,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2020-10-12 17:33:25,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 479. [2020-10-12 17:33:25,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2020-10-12 17:33:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 630 transitions. [2020-10-12 17:33:25,224 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 630 transitions. Word has length 150 [2020-10-12 17:33:25,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:33:25,225 INFO L479 AbstractCegarLoop]: Abstraction has 479 states and 630 transitions. [2020-10-12 17:33:25,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:33:25,225 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 630 transitions. [2020-10-12 17:33:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 17:33:25,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:33:25,231 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] [2020-10-12 17:33:25,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:33:25,232 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:33:25,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:33:25,232 INFO L82 PathProgramCache]: Analyzing trace with hash 960005528, now seen corresponding path program 1 times [2020-10-12 17:33:25,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:33:25,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750392647] [2020-10-12 17:33:25,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:33:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:25,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:25,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:25,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:25,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:25,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:26,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:29,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:30,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:30,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 17:33:30,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:33:30,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 17:33:30,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:33:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 17:33:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:33:30,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:31,525 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:33:31,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:33:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:31,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:31,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:31,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:31,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 17:33:31,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:31,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:31,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:31,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:31,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:33:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:31,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:31,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:33:31,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:31,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:31,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:31,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:31,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:31,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:31,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:33:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:31,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:31,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:33:31,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:31,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:31,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:31,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:33:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:31,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:31,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:31,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:31,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:31,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:31,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:33:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:31,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:31,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:33:36,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:33:36,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 17:33:36,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:33:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:33:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:33:36,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:36,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:33:36,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:33:36,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:36,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:33:36,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:36,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:36,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:36,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:36,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:36,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:36,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:36,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:36,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:33:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:36,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:36,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:33:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:33:36,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:33:36,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:33:36,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:36,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:36,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:36,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:36,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:36,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:36,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:36,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:36,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:36,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:36,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:33:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:36,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:36,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:36,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:33:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:36,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:33:36,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:33:36,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-12 17:33:36,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:36,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:33:36,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:33:36,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:33:36,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:36,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:36,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:36,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:33:37,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:33:37,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:33:37,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:33:37,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:37,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:33:37,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:33:37,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:33:37,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:33:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:33:37,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:33:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:37,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:33:37,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:33:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:33:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:33:37,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:33:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:33:37,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:33:37,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:33:37,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:37,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:37,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:33:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:37,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:37,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:33:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:33:37,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:33:37,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:33:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:37,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:37,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:33:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:37,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:37,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:33:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:37,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:37,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:33:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:37,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:37,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:37,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:33:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:37,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:37,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:37,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:37,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:37,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:33:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:37,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:33:37,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750392647] [2020-10-12 17:33:37,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:33:37,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-12 17:33:37,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152596677] [2020-10-12 17:33:37,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 17:33:37,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:33:37,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 17:33:37,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-12 17:33:37,460 INFO L87 Difference]: Start difference. First operand 479 states and 630 transitions. Second operand 19 states. [2020-10-12 17:33:40,030 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:33:41,770 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:33:44,033 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:33:45,375 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:33:46,782 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:33:48,575 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:34:02,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:34:02,428 INFO L93 Difference]: Finished difference Result 1249 states and 1773 transitions. [2020-10-12 17:34:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 17:34:02,430 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2020-10-12 17:34:02,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:34:02,438 INFO L225 Difference]: With dead ends: 1249 [2020-10-12 17:34:02,438 INFO L226 Difference]: Without dead ends: 838 [2020-10-12 17:34:02,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=550, Invalid=2206, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 17:34:02,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-12 17:34:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 486. [2020-10-12 17:34:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-12 17:34:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 640 transitions. [2020-10-12 17:34:02,632 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 640 transitions. Word has length 152 [2020-10-12 17:34:02,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:34:02,632 INFO L479 AbstractCegarLoop]: Abstraction has 486 states and 640 transitions. [2020-10-12 17:34:02,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 17:34:02,633 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 640 transitions. [2020-10-12 17:34:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 17:34:02,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:34:02,636 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] [2020-10-12 17:34:02,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:34:02,636 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:34:02,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:34:02,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1564399040, now seen corresponding path program 1 times [2020-10-12 17:34:02,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:34:02,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845873661] [2020-10-12 17:34:02,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:34:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:02,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:02,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:03,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:03,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:07,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:07,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 17:34:07,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:34:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 17:34:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:34:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:34:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:34:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:09,185 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:34:09,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:34:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:09,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:09,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:09,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:09,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:34:09,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:09,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:34:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:09,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:09,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:09,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:34:09,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:09,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:09,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:09,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:09,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:09,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:09,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:09,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:34:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:09,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:09,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:09,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:34:09,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:09,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:09,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:09,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:09,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:34:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:09,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:09,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:09,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:09,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:09,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:09,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:09,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:34:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:09,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:09,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:09,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:09,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:34:14,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:34:14,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:34:14,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:34:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 17:34:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:34:14,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:34:14,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:14,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:34:14,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:14,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:34:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:34:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:34:14,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:34:14,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:34:14,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:14,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:34:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:34:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:34:14,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:34:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 17:34:14,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:34:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:34:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:34:14,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:34:14,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:34:14,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:34:14,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:34:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:34:14,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:34:14,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:34:14,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:34:14,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:34:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:34:14,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:34:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:34:14,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:34:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:34:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:34:14,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:34:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:34:14,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:34:14,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:34:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:34:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:34:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:34:14,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:14,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:34:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:14,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:34:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:34:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:14,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 17:34:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:14,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:14,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:34:14,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 17:34:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:14,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:14,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:14,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:14,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:14,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:34:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:34:14,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845873661] [2020-10-12 17:34:14,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:34:14,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 17:34:14,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257417002] [2020-10-12 17:34:14,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:34:14,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:34:14,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:34:14,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:34:14,856 INFO L87 Difference]: Start difference. First operand 486 states and 640 transitions. Second operand 18 states. [2020-10-12 17:34:17,105 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:34:18,483 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:34:20,191 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:34:22,580 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:34:23,983 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:34:25,327 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:34:40,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:34:40,247 INFO L93 Difference]: Finished difference Result 1247 states and 1765 transitions. [2020-10-12 17:34:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 17:34:40,261 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 153 [2020-10-12 17:34:40,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:34:40,267 INFO L225 Difference]: With dead ends: 1247 [2020-10-12 17:34:40,267 INFO L226 Difference]: Without dead ends: 834 [2020-10-12 17:34:40,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=401, Invalid=1405, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 17:34:40,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-12 17:34:40,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 481. [2020-10-12 17:34:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-12 17:34:40,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 633 transitions. [2020-10-12 17:34:40,465 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 633 transitions. Word has length 153 [2020-10-12 17:34:40,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:34:40,466 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 633 transitions. [2020-10-12 17:34:40,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:34:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 633 transitions. [2020-10-12 17:34:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 17:34:40,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:34:40,469 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:34:40,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:34:40,469 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:34:40,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:34:40,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1321399503, now seen corresponding path program 1 times [2020-10-12 17:34:40,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:34:40,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534694133] [2020-10-12 17:34:40,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:34:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:40,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:40,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:40,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:40,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:40,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:45,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:45,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 17:34:45,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:34:45,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 17:34:45,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:45,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:34:45,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:34:45,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:34:45,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:46,860 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:34:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:34:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:46,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:46,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:46,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:46,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:46,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:34:46,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:46,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:46,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:46,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:46,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:46,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:34:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:46,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:46,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:34:46,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:46,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:46,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:46,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:46,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:34:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:46,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:46,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:46,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:34:46,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:46,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:46,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:46,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:46,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:34:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:46,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:46,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:46,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:46,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:46,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:46,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:34:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:46,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:46,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:46,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:47,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:34:50,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:34:50,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3323 [2020-10-12 17:34:50,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:34:50,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:34:50,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:34:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:34:50,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:34:50,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:34:50,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:50,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:50,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:34:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:50,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:34:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:34:50,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:34:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:34:50,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:50,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:50,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:34:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:50,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:34:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:34:50,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:34:50,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 17:34:50,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:34:50,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:34:50,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:34:50,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:34:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:34:50,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:34:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:34:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:34:50,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:34:50,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:34:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:34:50,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:34:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:34:50,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:50,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:34:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:34:50,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:34:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:34:50,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:34:50,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:34:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:50,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:34:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:50,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:34:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:34:50,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:50,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:34:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:50,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:50,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:34:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:50,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:50,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:34:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:50,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 17:34:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:50,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:50,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 17:34:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:50,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:50,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:50,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:50,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:50,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:50,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:50,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:50,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:34:50,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:50,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:34:50,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534694133] [2020-10-12 17:34:50,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:34:50,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 17:34:50,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274880349] [2020-10-12 17:34:50,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:34:50,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:34:50,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:34:50,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:34:50,805 INFO L87 Difference]: Start difference. First operand 481 states and 633 transitions. Second operand 18 states. [2020-10-12 17:34:53,070 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:34:54,785 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:34:57,249 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:34:58,594 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:35:13,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:35:13,265 INFO L93 Difference]: Finished difference Result 1247 states and 1763 transitions. [2020-10-12 17:35:13,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 17:35:13,266 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 153 [2020-10-12 17:35:13,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:35:13,272 INFO L225 Difference]: With dead ends: 1247 [2020-10-12 17:35:13,272 INFO L226 Difference]: Without dead ends: 827 [2020-10-12 17:35:13,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=393, Invalid=1413, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 17:35:13,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-10-12 17:35:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 481. [2020-10-12 17:35:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-12 17:35:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 632 transitions. [2020-10-12 17:35:13,429 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 632 transitions. Word has length 153 [2020-10-12 17:35:13,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:35:13,429 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 632 transitions. [2020-10-12 17:35:13,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:35:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 632 transitions. [2020-10-12 17:35:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 17:35:13,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:35:13,433 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:35:13,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:35:13,433 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:35:13,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:35:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2026437513, now seen corresponding path program 1 times [2020-10-12 17:35:13,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:35:13,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671152733] [2020-10-12 17:35:13,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:35:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:13,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:13,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:13,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:13,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:13,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:14,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:18,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:18,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 17:35:18,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:35:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 17:35:18,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:35:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 17:35:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:35:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:19,768 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:35:19,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:35:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:19,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:19,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:19,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:35:19,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:19,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:35:19,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:19,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:19,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:19,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:19,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:19,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:35:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:19,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:19,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:19,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:35:19,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:19,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:19,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:19,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:19,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:19,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:19,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:35:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:19,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:19,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:19,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:35:19,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:19,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:19,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:19,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:35:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:19,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:19,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:19,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:35:19,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:19,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:19,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:19,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:35:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:19,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:19,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:19,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:19,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:19,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 17:35:24,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:35:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4384 [2020-10-12 17:35:24,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:35:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 17:35:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:35:24,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:35:24,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:35:24,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:35:24,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:24,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:35:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:35:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:35:24,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:35:24,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:35:24,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:35:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:35:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 17:35:24,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:35:24,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:35:24,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:35:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:35:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:35:24,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:35:24,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:35:24,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:35:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:35:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:35:24,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:35:24,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:35:24,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:35:24,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:35:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:35:24,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:35:24,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:35:24,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:35:24,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:35:24,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:35:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:35:24,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:35:24,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:35:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:35:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:35:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:35:24,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:35:24,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:24,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:24,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:35:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:24,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:35:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 17:35:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:24,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:35:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:35:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:24,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:24,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:35:24,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 17:35:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:24,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:24,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:24,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:35:24,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:24,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:24,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:24,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:24,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:35:24,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:24,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:24,702 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:35:24,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671152733] [2020-10-12 17:35:24,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:35:24,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 17:35:24,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546153554] [2020-10-12 17:35:24,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:35:24,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:35:24,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:35:24,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:35:24,704 INFO L87 Difference]: Start difference. First operand 481 states and 632 transitions. Second operand 18 states. [2020-10-12 17:35:27,251 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:35:28,954 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:35:31,213 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:35:45,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:35:45,772 INFO L93 Difference]: Finished difference Result 1244 states and 1760 transitions. [2020-10-12 17:35:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 17:35:45,773 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 154 [2020-10-12 17:35:45,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:35:45,780 INFO L225 Difference]: With dead ends: 1244 [2020-10-12 17:35:45,780 INFO L226 Difference]: Without dead ends: 831 [2020-10-12 17:35:45,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=310, Invalid=1172, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 17:35:45,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-10-12 17:35:45,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 488. [2020-10-12 17:35:45,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-10-12 17:35:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 642 transitions. [2020-10-12 17:35:45,969 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 642 transitions. Word has length 154 [2020-10-12 17:35:45,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:35:45,970 INFO L479 AbstractCegarLoop]: Abstraction has 488 states and 642 transitions. [2020-10-12 17:35:45,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:35:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 642 transitions. [2020-10-12 17:35:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 17:35:45,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:35:45,973 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:35:45,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:35:45,974 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:35:45,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:35:45,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1031743815, now seen corresponding path program 1 times [2020-10-12 17:35:45,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:35:45,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626036382] [2020-10-12 17:35:45,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:35:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:46,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:46,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:46,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:46,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:46,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:51,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:51,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 17:35:51,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:35:51,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 17:35:51,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:35:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:35:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:35:51,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:52,285 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:35:52,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:35:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:52,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:52,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:52,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:35:52,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:52,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:35:52,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:52,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:52,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:52,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:35:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:52,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:52,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:52,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:35:52,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:52,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:52,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:52,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:52,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:35:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:52,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:52,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:52,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:35:52,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:52,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:52,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:52,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:35:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:52,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:52,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:52,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:35:52,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:52,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:52,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:52,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:52,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:35:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:52,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:52,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:52,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:52,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 17:35:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:35:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:35:57,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:35:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:35:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:35:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:35:57,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:35:57,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:57,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:35:57,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:57,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:57,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:57,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:57,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:57,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:35:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:57,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:57,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:35:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:35:57,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:35:57,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 17:35:57,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:35:57,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:35:57,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:35:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:35:57,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:35:57,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:35:57,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:35:57,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:57,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:35:57,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:35:57,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:35:57,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:35:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:57,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:57,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:35:57,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:35:57,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:35:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 17:35:57,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:35:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:35:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:35:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:35:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:35:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:35:57,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:35:57,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:35:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:35:57,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:35:57,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:35:57,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:35:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:35:57,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:35:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:35:57,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:35:57,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:35:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:35:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:35:57,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:35:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:35:57,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:35:57,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:57,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:35:57,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:57,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:57,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:35:57,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:57,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:35:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:57,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:57,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:57,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:57,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:57,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:57,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:57,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:57,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:57,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:58,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:35:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:58,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:58,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:35:58,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:58,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:35:58,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:35:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:58,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:58,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:35:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:58,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:58,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:58,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:58,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:58,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:35:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:58,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:35:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:58,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:58,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:58,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:58,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:58,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:58,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:35:58,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:58,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:58,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 17:35:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:58,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:58,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:58,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:35:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:58,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:58,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:58,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:35:58,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:58,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:58,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:35:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:58,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 17:35:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:58,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:58,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:58,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:35:58,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:35:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:35:58,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:35:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:35:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:35:58,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:35:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 17:35:58,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626036382] [2020-10-12 17:35:58,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:35:58,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 17:35:58,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462475785] [2020-10-12 17:35:58,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 17:35:58,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:35:58,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 17:35:58,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2020-10-12 17:35:58,087 INFO L87 Difference]: Start difference. First operand 488 states and 642 transitions. Second operand 24 states. [2020-10-12 17:36:00,909 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:36:02,411 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:36:04,152 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:36:05,956 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:36:07,389 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:36:08,863 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:36:10,274 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:36:11,771 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:36:13,786 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:36:15,906 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:36:17,360 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:36:18,853 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:36:20,999 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:36:22,435 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 542