/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:43:48,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:43:48,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:43:48,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:43:48,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:43:48,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:43:48,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:43:48,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:43:48,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:43:48,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:43:48,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:43:48,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:43:48,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:43:48,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:43:48,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:43:48,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:43:48,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:43:48,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:43:48,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:43:48,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:43:48,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:43:48,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:43:48,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:43:48,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:43:48,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:43:48,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:43:48,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:43:48,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:43:48,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:43:48,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:43:48,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:43:48,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:43:48,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:43:48,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:43:48,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:43:48,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:43:48,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:43:48,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:43:48,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:43:48,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:43:48,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:43:48,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:43:48,871 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:43:48,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:43:48,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:43:48,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:43:48,873 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:43:48,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:43:48,874 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:43:48,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:43:48,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:43:48,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:43:48,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:43:48,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:43:48,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:43:48,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:43:48,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:43:48,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:43:48,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:43:48,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:43:48,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:43:48,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:43:48,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:43:48,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:43:48,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:43:48,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:43:48,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:43:48,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:43:48,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:43:48,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:43:48,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:43:48,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:43:49,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:43:49,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:43:49,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:43:49,271 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:43:49,272 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:43:49,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2020-10-27 21:43:49,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef25b2e80/eb6f99192dfc4aff9257efa6c4858061/FLAG134d76e3e [2020-10-27 21:43:50,153 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:43:50,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2020-10-27 21:43:50,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef25b2e80/eb6f99192dfc4aff9257efa6c4858061/FLAG134d76e3e [2020-10-27 21:43:50,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef25b2e80/eb6f99192dfc4aff9257efa6c4858061 [2020-10-27 21:43:50,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:43:50,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:43:50,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:43:50,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:43:50,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:43:50,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:43:50" (1/1) ... [2020-10-27 21:43:50,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fec2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:50, skipping insertion in model container [2020-10-27 21:43:50,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:43:50" (1/1) ... [2020-10-27 21:43:50,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:43:50,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:43:51,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:43:51,126 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:43:51,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:43:51,386 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:43:51,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51 WrapperNode [2020-10-27 21:43:51,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:43:51,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:43:51,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:43:51,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:43:51,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (1/1) ... [2020-10-27 21:43:51,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (1/1) ... [2020-10-27 21:43:51,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (1/1) ... [2020-10-27 21:43:51,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (1/1) ... [2020-10-27 21:43:51,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (1/1) ... [2020-10-27 21:43:51,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (1/1) ... [2020-10-27 21:43:51,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (1/1) ... [2020-10-27 21:43:51,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:43:51,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:43:51,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:43:51,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:43:51,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:43:51,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:43:51,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:43:51,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:43:51,689 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:43:51,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 21:43:51,690 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:43:51,690 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:43:51,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:43:51,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:43:51,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:43:51,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:43:51,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:43:51,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:43:51,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:43:51,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:43:51,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:43:51,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:43:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:43:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:43:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:43:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:43:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:43:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:43:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:43:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:43:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:43:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:43:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:43:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:43:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:43:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:43:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:43:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:43:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:43:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:43:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:43:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:43:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:43:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:43:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 21:43:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:43:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:43:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:43:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:43:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:43:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:43:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:43:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:43:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:43:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:43:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:43:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:43:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:43:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:43:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:43:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:43:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:43:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:43:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:43:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:43:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:43:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:43:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:43:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:43:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:43:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:43:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:43:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:43:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:43:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:43:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:43:51,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:43:51,704 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:43:51,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:43:51,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:43:51,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:43:51,705 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:43:51,705 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:43:51,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:43:51,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:43:51,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:43:51,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:43:51,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:43:51,707 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:43:51,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:43:51,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:43:51,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:43:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:43:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:43:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:43:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:43:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:43:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:43:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:43:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:43:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:43:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:43:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:43:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:43:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:43:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:43:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:43:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:43:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:43:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:43:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:43:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:43:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:43:51,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:43:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:43:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:43:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:43:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:43:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:43:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:43:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:43:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:43:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:43:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:43:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 21:43:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:43:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:43:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:43:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:43:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:43:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:43:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:43:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:43:51,717 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:43:51,718 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:43:51,719 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:43:51,720 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:43:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:43:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:43:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:43:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:43:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:43:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:43:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:43:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:43:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:43:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:43:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:43:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:43:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:43:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:43:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:43:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:43:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:43:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:43:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:43:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:43:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:43:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:43:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:43:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:43:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:43:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:43:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:43:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:43:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:43:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:43:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:43:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:43:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:43:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:43:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:43:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:43:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:43:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:43:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:43:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:43:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:43:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:43:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:43:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:43:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 21:43:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:43:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:43:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:43:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:43:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:43:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:43:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:43:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:43:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:43:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:43:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:43:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:43:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:43:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:43:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:43:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:43:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:43:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:43:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:43:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:43:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:43:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:43:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:43:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:43:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:43:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:43:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:43:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:43:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:43:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:43:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:43:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:43:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:43:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:43:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:43:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:43:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:43:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:43:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:43:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:43:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:43:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:43:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:43:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:43:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:43:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:43:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:43:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:43:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:43:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:43:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:43:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:43:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:43:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:43:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:43:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:43:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:43:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:43:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:43:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:43:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:43:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:43:54,081 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:43:54,081 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:43:54,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:43:54 BoogieIcfgContainer [2020-10-27 21:43:54,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:43:54,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:43:54,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:43:54,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:43:54,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:43:50" (1/3) ... [2020-10-27 21:43:54,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472418ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:43:54, skipping insertion in model container [2020-10-27 21:43:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:43:51" (2/3) ... [2020-10-27 21:43:54,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472418ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:43:54, skipping insertion in model container [2020-10-27 21:43:54,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:43:54" (3/3) ... [2020-10-27 21:43:54,094 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2020-10-27 21:43:54,108 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:43:54,114 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:43:54,128 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:43:54,160 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:43:54,161 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:43:54,161 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:43:54,161 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:43:54,161 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:43:54,161 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:43:54,161 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:43:54,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:43:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states. [2020-10-27 21:43:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 21:43:54,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:43:54,264 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:43:54,267 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:43:54,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:43:54,275 INFO L82 PathProgramCache]: Analyzing trace with hash 2116152778, now seen corresponding path program 1 times [2020-10-27 21:43:54,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:43:54,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149599741] [2020-10-27 21:43:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:43:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:43:54,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:43:55,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:43:55,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:43:55,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:43:55,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:43:59,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:43:59,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:43:59,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 21:43:59,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:43:59,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 21:43:59,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:43:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:43:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:43:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:43:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 21:44:01,725 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 21:44:01,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:44:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:01,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:01,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:01,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:44:01,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:01,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 21:44:01,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:01,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:01,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:44:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:01,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:01,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:01,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:44:01,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:01,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:44:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:01,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:01,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:01,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:44:01,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:01,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:01,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:01,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:01,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:44:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:01,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:01,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:44:01,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:44:01,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:01,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:44:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:01,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:01,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:01,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:04,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:06,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:06,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:44:06,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:44:06,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:44:06,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:44:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:44:06,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:44:06,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:44:07,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 21:44:07,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:44:07,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:44:07,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:44:07,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:44:07,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:44:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:44:07,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:44:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:44:07,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:44:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:44:07,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:44:07,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:07,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:44:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:07,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:44:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:44:07,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:44:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 21:44:07,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:44:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:44:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:44:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:44:07,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 21:44:07,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:44:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:44:07,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:44:07,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:44:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:44:07,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:44:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:44:07,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:44:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:44:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:44:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:44:07,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:44:07,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:44:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:07,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:44:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:07,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:44:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:44:07,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:44:07,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:44:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:07,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:44:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:07,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:44:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:44:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:07,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:44:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 21:44:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:07,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:07,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:44:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 21:44:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:07,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:07,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:07,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:44:07,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:07,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:44:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:07,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:44:07,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149599741] [2020-10-27 21:44:07,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:44:07,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:44:07,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608725307] [2020-10-27 21:44:07,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:44:07,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:44:07,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:44:07,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:44:07,902 INFO L87 Difference]: Start difference. First operand 494 states. Second operand 18 states. [2020-10-27 21:44:11,959 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:44:16,131 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-27 21:44:18,268 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:44:20,405 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:44:22,554 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:44:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:44:50,102 INFO L93 Difference]: Finished difference Result 1414 states and 2128 transitions. [2020-10-27 21:44:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-27 21:44:50,105 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 151 [2020-10-27 21:44:50,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:44:50,131 INFO L225 Difference]: With dead ends: 1414 [2020-10-27 21:44:50,131 INFO L226 Difference]: Without dead ends: 826 [2020-10-27 21:44:50,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1851 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=1158, Invalid=4694, Unknown=0, NotChecked=0, Total=5852 [2020-10-27 21:44:50,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-10-27 21:44:50,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 480. [2020-10-27 21:44:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2020-10-27 21:44:50,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 631 transitions. [2020-10-27 21:44:50,527 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 631 transitions. Word has length 151 [2020-10-27 21:44:50,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:44:50,529 INFO L481 AbstractCegarLoop]: Abstraction has 480 states and 631 transitions. [2020-10-27 21:44:50,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:44:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 631 transitions. [2020-10-27 21:44:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 21:44:50,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:44:50,552 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] [2020-10-27 21:44:50,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:44:50,552 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:44:50,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:44:50,553 INFO L82 PathProgramCache]: Analyzing trace with hash 224112531, now seen corresponding path program 1 times [2020-10-27 21:44:50,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:44:50,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436628547] [2020-10-27 21:44:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:44:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:50,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:50,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:50,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:50,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:51,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:51,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:55,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:55,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 21:44:55,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:44:55,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:44:55,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:55,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:44:55,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:44:55,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:44:55,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:57,716 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 21:44:57,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:44:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:57,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:57,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:57,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:44:57,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:57,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 21:44:57,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:57,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:57,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:57,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:44:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:57,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:57,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:57,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:44:57,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:57,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:57,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:57,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:57,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:44:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:57,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:57,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:44:57,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:57,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:44:57,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:57,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:44:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:57,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:57,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:57,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:44:57,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:57,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:57,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:57,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:44:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:57,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:57,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:57,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:57,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:59,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:59,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:59,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:02,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:02,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:45:02,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:45:02,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:45:02,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:45:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:45:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:45:02,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:02,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:02,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:02,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:02,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:45:02,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:02,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:45:02,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:02,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:02,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:02,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:02,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:02,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:45:02,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:02,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:45:02,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:02,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:02,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:02,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:02,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:02,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:02,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:02,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:02,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:02,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:02,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:02,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:02,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:02,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:45:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:02,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:02,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:02,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:02,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:02,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:02,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:45:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:02,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:02,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:02,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:45:02,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:02,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:45:02,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:02,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:02,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:02,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:02,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:02,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:02,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:02,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:45:02,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:45:02,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:02,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:02,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:02,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:03,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:45:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:45:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:45:03,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:45:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 21:45:03,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:45:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:45:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:45:03,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:45:03,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:45:03,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:45:03,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:45:03,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:45:03,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:45:03,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 21:45:03,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:45:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:45:03,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:45:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:45:03,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:45:03,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:45:03,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:45:03,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:45:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:45:03,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 21:45:03,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:45:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:03,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:45:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:45:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:45:03,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:45:03,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:45:03,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:45:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:45:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:45:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:03,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 21:45:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:03,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:03,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:03,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:45:03,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:03,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:03,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:45:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:03,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:45:03,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436628547] [2020-10-27 21:45:03,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:45:03,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:45:03,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015637026] [2020-10-27 21:45:03,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:45:03,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:45:03,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:45:03,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:45:03,700 INFO L87 Difference]: Start difference. First operand 480 states and 631 transitions. Second operand 19 states. [2020-10-27 21:45:07,097 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:45:09,134 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:45:11,509 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-27 21:45:14,655 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:45:16,842 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:45:19,046 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-27 21:45:21,293 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:45:39,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:45:39,107 INFO L93 Difference]: Finished difference Result 1245 states and 1761 transitions. [2020-10-27 21:45:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 21:45:39,108 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 153 [2020-10-27 21:45:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:45:39,117 INFO L225 Difference]: With dead ends: 1245 [2020-10-27 21:45:39,117 INFO L226 Difference]: Without dead ends: 833 [2020-10-27 21:45:39,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=425, Invalid=1555, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 21:45:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2020-10-27 21:45:39,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 484. [2020-10-27 21:45:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-27 21:45:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 636 transitions. [2020-10-27 21:45:39,455 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 636 transitions. Word has length 153 [2020-10-27 21:45:39,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:45:39,457 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 636 transitions. [2020-10-27 21:45:39,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:45:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 636 transitions. [2020-10-27 21:45:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 21:45:39,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:45:39,464 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:45:39,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:45:39,465 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:45:39,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:45:39,466 INFO L82 PathProgramCache]: Analyzing trace with hash 2027877007, now seen corresponding path program 1 times [2020-10-27 21:45:39,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:45:39,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763808554] [2020-10-27 21:45:39,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:45:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:39,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:39,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:39,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:39,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:42,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:44,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:44,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 21:45:44,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:46,729 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 21:45:46,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:45:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:46,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:46,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:46,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:45:46,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 21:45:46,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:46,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:46,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:45:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:46,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:46,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:46,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:45:46,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:45:46,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:45:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:46,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:46,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:46,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:45:46,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:46,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:45:46,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:46,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:46,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:46,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:46,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:46,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:45:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:46,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:46,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:46,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:45:46,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:46,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:46,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:46,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:45:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:46,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:51,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:45:51,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:45:51,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:45:51,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:45:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:45:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:45:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:51,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:51,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:51,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:51,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:45:51,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:45:51,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:51,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:51,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:51,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:45:51,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:45:51,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:51,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:51,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:51,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:51,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:51,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:51,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:45:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:51,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:51,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:51,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:45:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:51,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:51,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:51,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:45:51,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:45:51,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:45:52,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:45:52,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:52,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:52,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:45:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:52,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:52,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:45:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:45:52,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:45:52,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 21:45:52,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:45:52,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:45:52,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:45:52,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:45:52,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:45:52,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:45:52,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:45:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:45:52,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:52,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:45:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:45:52,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:45:52,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:45:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:45:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 21:45:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:45:52,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:45:52,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:45:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:52,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:52,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:45:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:52,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:52,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:45:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:45:52,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:45:52,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:45:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:52,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:45:52,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:45:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:52,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:52,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:45:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:52,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:52,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:45:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:52,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:45:52,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:45:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:52,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:52,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:52,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:45:52,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:52,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:45:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:52,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:45:52,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763808554] [2020-10-27 21:45:52,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:45:52,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 21:45:52,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145029090] [2020-10-27 21:45:52,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:45:52,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:45:52,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:45:52,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:45:52,497 INFO L87 Difference]: Start difference. First operand 484 states and 636 transitions. Second operand 18 states. [2020-10-27 21:45:56,400 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:45:59,652 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-27 21:46:01,716 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:46:04,140 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:46:06,566 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:46:08,591 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 21:46:27,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:46:27,506 INFO L93 Difference]: Finished difference Result 1310 states and 1872 transitions. [2020-10-27 21:46:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 21:46:27,507 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 160 [2020-10-27 21:46:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:46:27,520 INFO L225 Difference]: With dead ends: 1310 [2020-10-27 21:46:27,520 INFO L226 Difference]: Without dead ends: 892 [2020-10-27 21:46:27,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=570, Invalid=1980, Unknown=0, NotChecked=0, Total=2550 [2020-10-27 21:46:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-10-27 21:46:27,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 527. [2020-10-27 21:46:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-10-27 21:46:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 710 transitions. [2020-10-27 21:46:27,788 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 710 transitions. Word has length 160 [2020-10-27 21:46:27,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:46:27,789 INFO L481 AbstractCegarLoop]: Abstraction has 527 states and 710 transitions. [2020-10-27 21:46:27,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:46:27,789 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 710 transitions. [2020-10-27 21:46:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 21:46:27,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:46:27,792 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:46:27,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:46:27,793 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:46:27,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:46:27,794 INFO L82 PathProgramCache]: Analyzing trace with hash 70954226, now seen corresponding path program 1 times [2020-10-27 21:46:27,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:46:27,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279471541] [2020-10-27 21:46:27,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:46:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:27,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:27,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:32,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 21:46:32,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:46:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 21:46:32,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:32,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:46:32,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-27 21:46:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:46:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:35,040 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 21:46:35,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:46:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:35,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:35,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:35,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:46:35,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:35,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 21:46:35,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:35,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:46:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:35,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:35,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:46:35,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:35,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:35,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:35,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:35,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:35,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:35,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:35,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:46:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:35,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:35,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:35,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:46:35,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:35,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:46:35,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:35,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:35,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:35,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:46:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:35,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:35,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:35,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:46:35,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:46:35,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:35,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:35,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:46:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:35,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:35,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:35,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:35,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:36,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:46:40,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:46:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:46:40,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:46:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:46:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:46:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:46:40,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:46:40,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:46:40,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:46:40,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:46:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:46:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:46:40,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:46:40,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:46:40,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:46:40,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:46:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:46:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:46:40,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 21:46:40,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:46:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:46:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:46:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:46:40,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:46:40,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:46:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:46:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:46:40,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:46:40,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:46:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:46:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:46:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:46:40,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:46:40,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:46:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:46:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:46:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 21:46:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:46:40,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:46:40,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:46:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:46:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 21:46:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:46:40,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:46:40,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:46:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:46:40,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:46:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:46:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:46:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:46:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 21:46:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:40,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:46:40,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 21:46:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:40,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:40,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:40,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:46:40,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:40,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:40,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:46:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:40,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:46:40,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279471541] [2020-10-27 21:46:40,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:46:40,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:46:40,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380215294] [2020-10-27 21:46:40,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:46:40,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:46:40,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:46:40,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:46:40,778 INFO L87 Difference]: Start difference. First operand 527 states and 710 transitions. Second operand 19 states. [2020-10-27 21:46:44,567 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:46:47,184 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:46:49,449 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:46:52,378 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:46:55,731 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 21:47:16,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:47:16,142 INFO L93 Difference]: Finished difference Result 1485 states and 2193 transitions. [2020-10-27 21:47:16,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 21:47:16,143 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 167 [2020-10-27 21:47:16,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:47:16,152 INFO L225 Difference]: With dead ends: 1485 [2020-10-27 21:47:16,152 INFO L226 Difference]: Without dead ends: 1021 [2020-10-27 21:47:16,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=400, Invalid=1492, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 21:47:16,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-10-27 21:47:16,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 571. [2020-10-27 21:47:16,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-10-27 21:47:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 783 transitions. [2020-10-27 21:47:16,400 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 783 transitions. Word has length 167 [2020-10-27 21:47:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:47:16,401 INFO L481 AbstractCegarLoop]: Abstraction has 571 states and 783 transitions. [2020-10-27 21:47:16,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:47:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 783 transitions. [2020-10-27 21:47:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 21:47:16,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:47:16,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:47:16,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:47:16,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:47:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:47:16,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1392562088, now seen corresponding path program 1 times [2020-10-27 21:47:16,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:47:16,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064891253] [2020-10-27 21:47:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:47:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:16,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:16,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:16,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:16,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:16,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:16,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:17,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:18,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:19,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:20,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:20,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:21,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 21:47:21,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 21:47:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 21:47:21,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:47:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-27 21:47:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:47:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:23,448 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 21:47:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:47:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:23,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:23,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:23,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:47:23,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:23,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 21:47:23,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:23,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:23,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:47:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:23,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:23,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:23,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:47:23,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:23,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:23,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:47:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:23,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:23,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:23,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:47:23,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:23,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:23,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:47:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:23,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:23,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:23,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:47:23,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:23,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:23,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:23,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:23,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:47:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:23,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:23,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:23,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:23,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:24,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 21:47:28,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:47:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4891 [2020-10-27 21:47:28,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:47:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:47:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 21:47:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:47:28,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:47:28,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:47:28,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:28,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:28,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:28,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:47:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:28,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:28,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:47:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:47:28,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:47:28,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:47:28,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:47:28,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:28,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:28,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:47:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:28,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:28,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:47:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 21:47:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:47:28,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:47:28,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:47:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:47:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:47:28,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:28,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:47:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:47:28,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:47:28,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:47:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:47:28,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 21:47:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:47:28,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:47:28,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:47:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:28,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:47:28,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:28,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:47:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:28,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:28,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:28,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:28,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:28,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:28,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:28,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:29,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 21:47:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:29,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:29,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:29,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:47:29,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:29,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:47:29,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:47:29,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:29,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:29,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:29,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:29,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:29,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:29,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:29,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:29,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:29,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:29,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:29,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:47:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:29,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:29,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:29,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:29,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:29,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:29,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:47:29,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:29,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:29,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 21:47:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:29,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:29,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:29,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:29,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:29,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:29,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:29,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:47:29,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:29,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:29,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 21:47:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:29,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:29,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:29,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:29,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:29,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:29,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:47:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:29,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 21:47:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:29,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:29,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:29,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:47:29,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:29,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:29,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:47:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:29,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:47:29,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064891253] [2020-10-27 21:47:29,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:47:29,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 21:47:29,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150935648] [2020-10-27 21:47:29,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:47:29,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:47:29,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:47:29,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:47:29,142 INFO L87 Difference]: Start difference. First operand 571 states and 783 transitions. Second operand 17 states.