/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:55:14,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:55:14,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:55:14,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:55:14,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:55:14,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:55:14,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:55:14,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:55:14,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:55:14,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:55:14,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:55:14,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:55:14,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:55:14,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:55:14,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:55:14,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:55:14,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:55:14,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:55:14,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:55:14,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:55:14,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:55:14,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:55:14,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:55:14,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:55:14,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:55:14,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:55:14,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:55:14,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:55:14,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:55:14,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:55:14,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:55:14,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:55:14,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:55:14,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:55:14,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:55:14,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:55:14,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:55:14,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:55:14,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:55:14,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:55:14,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:55:14,544 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 [2020-10-13 11:55:14,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:55:14,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:55:14,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:55:14,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:55:14,579 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:55:14,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:55:14,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:55:14,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:55:14,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:55:14,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:55:14,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:55:14,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:55:14,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:55:14,581 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:55:14,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:55:14,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:55:14,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:55:14,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:55:14,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:55:14,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:55:14,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:55:14,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:55:14,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:55:14,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:55:14,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:55:14,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:55:14,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:55:14,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:55:14,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:55:14,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:55:14,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:55:14,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:55:14,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:55:14,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:55:14,875 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:55:14,876 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2020-10-13 11:55:14,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80e00797e/0d17af8573b7482ca862b100f8e51912/FLAG431eccafb [2020-10-13 11:55:15,490 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:55:15,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2020-10-13 11:55:15,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80e00797e/0d17af8573b7482ca862b100f8e51912/FLAG431eccafb [2020-10-13 11:55:15,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80e00797e/0d17af8573b7482ca862b100f8e51912 [2020-10-13 11:55:15,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:55:15,807 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:55:15,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:55:15,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:55:15,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:55:15,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:55:15" (1/1) ... [2020-10-13 11:55:15,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7edbd36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:15, skipping insertion in model container [2020-10-13 11:55:15,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:55:15" (1/1) ... [2020-10-13 11:55:15,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:55:15,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:55:16,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:55:16,647 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:55:16,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:55:16,814 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:55:16,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16 WrapperNode [2020-10-13 11:55:16,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:55:16,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:55:16,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:55:16,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:55:16,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (1/1) ... [2020-10-13 11:55:16,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (1/1) ... [2020-10-13 11:55:16,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (1/1) ... [2020-10-13 11:55:16,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (1/1) ... [2020-10-13 11:55:16,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (1/1) ... [2020-10-13 11:55:16,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (1/1) ... [2020-10-13 11:55:16,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (1/1) ... [2020-10-13 11:55:16,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:55:16,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:55:16,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:55:16,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:55:16,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (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 [2020-10-13 11:55:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:55:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:55:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:55:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-13 11:55:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-13 11:55:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-13 11:55:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-13 11:55:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-13 11:55:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-13 11:55:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-13 11:55:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-13 11:55:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-13 11:55:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-13 11:55:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-13 11:55:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-13 11:55:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-13 11:55:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-13 11:55:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-13 11:55:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-13 11:55:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-13 11:55:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-13 11:55:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-13 11:55:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-13 11:55:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-13 11:55:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:55:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:55:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:55:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:55:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:55:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:55:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:55:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-13 11:55:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-13 11:55:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-13 11:55:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-13 11:55:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-13 11:55:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-13 11:55:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-13 11:55:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-13 11:55:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-13 11:55:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-13 11:55:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-13 11:55:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-13 11:55:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-13 11:55:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-13 11:55:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-13 11:55:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-13 11:55:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:55:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:55:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-13 11:55:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-13 11:55:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-13 11:55:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-13 11:55:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-13 11:55:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-13 11:55:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-13 11:55:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-13 11:55:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-13 11:55:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-13 11:55:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:55:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-13 11:55:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-13 11:55:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-13 11:55:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-13 11:55:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-13 11:55:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-13 11:55:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-13 11:55:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-13 11:55:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-13 11:55:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-13 11:55:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-13 11:55:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-13 11:55:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-13 11:55:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-13 11:55:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-13 11:55:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-13 11:55:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-13 11:55:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-13 11:55:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-13 11:55:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-13 11:55:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-13 11:55:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-13 11:55:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-13 11:55:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-13 11:55:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-13 11:55:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-13 11:55:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-13 11:55:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-13 11:55:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-13 11:55:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:55:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:55:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:55:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:55:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-13 11:55:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-13 11:55:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-13 11:55:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-13 11:55:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-13 11:55:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-13 11:55:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-13 11:55:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-13 11:55:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-13 11:55:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-13 11:55:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-13 11:55:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-13 11:55:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-13 11:55:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-13 11:55:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-13 11:55:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-13 11:55:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-13 11:55:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-13 11:55:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-13 11:55:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-13 11:55:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-13 11:55:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-13 11:55:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:55:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-13 11:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-13 11:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-13 11:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-13 11:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-13 11:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-13 11:55:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-13 11:55:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-13 11:55:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-13 11:55:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-13 11:55:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-13 11:55:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-13 11:55:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-13 11:55:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-13 11:55:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-13 11:55:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-13 11:55:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-13 11:55:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-13 11:55:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-13 11:55:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-13 11:55:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-13 11:55:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:55:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:55:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:55:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:55:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:55:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:55:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:55:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:55:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:55:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:55:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:55:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:55:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:55:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:55:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:55:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:55:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:55:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-13 11:55:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-13 11:55:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-13 11:55:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-13 11:55:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-13 11:55:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-13 11:55:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-13 11:55:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-13 11:55:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-13 11:55:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:55:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:55:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-13 11:55:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-13 11:55:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-13 11:55:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-13 11:55:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-13 11:55:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-13 11:55:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-13 11:55:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-13 11:55:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-13 11:55:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-13 11:55:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-13 11:55:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-13 11:55:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-13 11:55:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-13 11:55:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-13 11:55:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-13 11:55:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-13 11:55:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-13 11:55:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-13 11:55:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:55:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:55:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:55:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-13 11:55:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-13 11:55:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-13 11:55:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-13 11:55:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-13 11:55:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-13 11:55:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-13 11:55:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-13 11:55:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-13 11:55:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-13 11:55:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:55:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:55:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-13 11:55:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-13 11:55:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-13 11:55:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-13 11:55:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-13 11:55:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:55:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-13 11:55:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-13 11:55:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-13 11:55:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-13 11:55:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-13 11:55:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-13 11:55:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-13 11:55:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-13 11:55:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-13 11:55:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-13 11:55:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-13 11:55:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-13 11:55:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-13 11:55:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-13 11:55:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-13 11:55:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-13 11:55:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-13 11:55:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-13 11:55:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-13 11:55:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:55:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-13 11:55:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-13 11:55:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-13 11:55:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-13 11:55:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-13 11:55:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-13 11:55:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-13 11:55:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-13 11:55:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-13 11:55:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-13 11:55:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-13 11:55:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-13 11:55:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-13 11:55:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-13 11:55:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-13 11:55:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-13 11:55:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:55:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:55:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:55:19,273 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:55:19,274 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 11:55:19,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:55:19 BoogieIcfgContainer [2020-10-13 11:55:19,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:55:19,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:55:19,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:55:19,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:55:19,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:55:15" (1/3) ... [2020-10-13 11:55:19,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1c7921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:55:19, skipping insertion in model container [2020-10-13 11:55:19,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:16" (2/3) ... [2020-10-13 11:55:19,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1c7921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:55:19, skipping insertion in model container [2020-10-13 11:55:19,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:55:19" (3/3) ... [2020-10-13 11:55:19,289 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product29.cil.c [2020-10-13 11:55:19,299 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:55:19,308 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:55:19,321 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:55:19,346 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:55:19,346 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:55:19,346 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:55:19,346 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:55:19,347 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:55:19,347 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:55:19,347 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:55:19,347 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:55:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2020-10-13 11:55:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-13 11:55:19,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:55:19,418 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:55:19,423 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:55:19,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:55:19,431 INFO L82 PathProgramCache]: Analyzing trace with hash 829188983, now seen corresponding path program 1 times [2020-10-13 11:55:19,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:55:19,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816885640] [2020-10-13 11:55:19,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:55:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:20,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:20,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:20,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:20,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:20,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:24,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:25,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:25,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-13 11:55:25,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:55:25,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-13 11:55:25,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:25,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 11:55:25,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:25,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:55:26,779 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:55:26,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:55:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:26,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 11:55:26,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:26,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:26,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:55:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:26,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:26,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:26,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:55:26,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:26,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:26,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:26,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:55:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:26,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:26,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:26,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:55:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:26,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:26,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:26,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:26,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:55:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:26,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:26,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:26,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:26,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:26,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:26,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:26,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:26,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:26,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:26,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:26,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:55:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:26,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:26,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:27,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:27,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:28,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:31,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:31,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:55:31,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:55:31,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:55:31,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:31,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:32,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:55:32,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:55:32,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:55:32,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:55:32,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:55:32,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:55:32,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:32,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:32,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:55:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:55:32,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:32,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:55:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:55:32,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:55:32,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:32,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:55:32,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:55:32,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:32,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:32,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:55:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:32,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:32,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:55:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:55:32,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:55:32,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:32,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:55:32,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:32,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:32,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:55:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:32,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 11:55:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:55:32,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:55:32,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:55:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:32,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:55:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:32,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:55:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:55:32,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:55:32,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:55:32,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:32,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:32,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:55:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:32,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:55:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:55:32,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:55:32,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:55:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:55:32,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:32,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:55:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 11:55:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:32,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 11:55:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 11:55:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:32,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:32,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:32,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:32,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:32,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:32,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:55:32,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816885640] [2020-10-13 11:55:32,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:55:32,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:55:32,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401293330] [2020-10-13 11:55:32,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:55:32,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:55:32,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:55:32,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:55:32,679 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 11 states. [2020-10-13 11:55:50,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:55:50,424 INFO L93 Difference]: Finished difference Result 1368 states and 2126 transitions. [2020-10-13 11:55:50,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-13 11:55:50,429 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2020-10-13 11:55:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:55:50,462 INFO L225 Difference]: With dead ends: 1368 [2020-10-13 11:55:50,463 INFO L226 Difference]: Without dead ends: 924 [2020-10-13 11:55:50,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 11:55:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-10-13 11:55:50,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 545. [2020-10-13 11:55:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-10-13 11:55:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 748 transitions. [2020-10-13 11:55:50,826 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 748 transitions. Word has length 167 [2020-10-13 11:55:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:55:50,827 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 748 transitions. [2020-10-13 11:55:50,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:55:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 748 transitions. [2020-10-13 11:55:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-13 11:55:50,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:55:50,832 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:55:50,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:55:50,832 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:55:50,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:55:50,833 INFO L82 PathProgramCache]: Analyzing trace with hash -2103924692, now seen corresponding path program 1 times [2020-10-13 11:55:50,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:55:50,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842130412] [2020-10-13 11:55:50,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:55:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:50,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:51,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:51,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:51,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:51,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:55,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:55,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-13 11:55:55,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:55:55,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:55:55,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:55,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:55:55,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:55:55,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:55:55,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:57,351 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:55:57,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:55:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:57,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:57,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:57,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:57,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:57,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 11:55:57,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:57,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:57,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:55:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:57,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:57,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:57,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:55:57,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:57,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:57,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:57,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:57,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:57,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:57,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:55:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:57,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:57,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:57,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:55:57,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:57,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:57,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:57,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:55:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:57,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:57,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:57,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:57,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:57,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:57,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:57,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:55:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:57,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:57,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:57,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:57,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:58,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:56:01,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:56:01,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4290 [2020-10-13 11:56:01,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:01,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:01,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:01,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:01,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:01,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:01,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:56:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:01,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:01,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:01,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:01,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:01,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:56:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:01,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:01,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:01,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:01,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:01,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:01,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:56:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:56:01,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:56:01,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:56:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:01,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:01,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:01,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:01,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:01,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:01,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:01,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:01,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:01,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:01,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:02,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:56:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:02,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:02,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:02,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:56:02,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:02,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:02,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:56:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:56:02,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:02,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:02,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:02,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:02,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:02,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:56:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:02,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:02,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:02,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:02,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:02,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:02,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:56:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:02,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:02,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:02,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:02,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:02,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:02,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:02,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:56:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:02,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:02,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:02,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:56:02,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:02,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:56:02,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:56:02,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 11:56:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:02,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:02,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:02,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:02,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:02,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:02,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:02,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:02,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:02,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:02,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:02,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 11:56:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:02,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:02,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:02,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:02,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:02,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:56:02,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 11:56:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:02,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:02,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:02,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:02,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:02,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:56:02,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842130412] [2020-10-13 11:56:02,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:56:02,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:56:02,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676340513] [2020-10-13 11:56:02,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:56:02,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:56:02,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:56:02,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:56:02,137 INFO L87 Difference]: Start difference. First operand 545 states and 748 transitions. Second operand 12 states. [2020-10-13 11:56:06,246 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:56:21,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:56:21,618 INFO L93 Difference]: Finished difference Result 1207 states and 1762 transitions. [2020-10-13 11:56:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:56:21,620 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 168 [2020-10-13 11:56:21,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:56:21,628 INFO L225 Difference]: With dead ends: 1207 [2020-10-13 11:56:21,629 INFO L226 Difference]: Without dead ends: 927 [2020-10-13 11:56:21,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:56:21,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-10-13 11:56:21,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 547. [2020-10-13 11:56:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-13 11:56:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 750 transitions. [2020-10-13 11:56:21,827 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 750 transitions. Word has length 168 [2020-10-13 11:56:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:56:21,827 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 750 transitions. [2020-10-13 11:56:21,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:56:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 750 transitions. [2020-10-13 11:56:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-13 11:56:21,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:56:21,831 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:56:21,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:56:21,831 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:56:21,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:56:21,832 INFO L82 PathProgramCache]: Analyzing trace with hash 963448792, now seen corresponding path program 1 times [2020-10-13 11:56:21,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:56:21,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462192628] [2020-10-13 11:56:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:56:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:21,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:22,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:22,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:22,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:23,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:26,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:26,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 11:56:26,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:56:26,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:56:26,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:26,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:56:26,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:56:26,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:56:26,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:28,208 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:56:28,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:56:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:28,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:28,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:28,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:28,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 11:56:28,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:28,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:28,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:28,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:28,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:28,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:28,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:28,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:28,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:28,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:28,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:28,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:28,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:28,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:56:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:28,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:28,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:28,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:28,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:28,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:56:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:28,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:28,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:28,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:28,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:28,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:28,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:28,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:56:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:28,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:28,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:28,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:28,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:29,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:56:33,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:56:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4872 [2020-10-13 11:56:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:33,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:56:33,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:33,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:33,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:56:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:33,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:33,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:33,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:56:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:33,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:33,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:33,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:33,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 11:56:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:56:33,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:56:33,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:56:33,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:33,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:56:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:56:33,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:33,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:56:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:33,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:56:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:56:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:33,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 11:56:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:56:33,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:56:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 11:56:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 11:56:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:33,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 11:56:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:33,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:33,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:33,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:33,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:33,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:33,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:33,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:56:33,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462192628] [2020-10-13 11:56:33,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:56:33,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:56:33,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543355097] [2020-10-13 11:56:33,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:56:33,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:56:33,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:56:33,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:56:33,522 INFO L87 Difference]: Start difference. First operand 547 states and 750 transitions. Second operand 12 states. [2020-10-13 11:56:37,014 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:56:51,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:56:51,937 INFO L93 Difference]: Finished difference Result 1531 states and 2308 transitions. [2020-10-13 11:56:51,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:56:51,938 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2020-10-13 11:56:51,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:56:51,946 INFO L225 Difference]: With dead ends: 1531 [2020-10-13 11:56:51,947 INFO L226 Difference]: Without dead ends: 1049 [2020-10-13 11:56:51,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:56:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2020-10-13 11:56:52,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 587. [2020-10-13 11:56:52,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-13 11:56:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 819 transitions. [2020-10-13 11:56:52,141 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 819 transitions. Word has length 174 [2020-10-13 11:56:52,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:56:52,141 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 819 transitions. [2020-10-13 11:56:52,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:56:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 819 transitions. [2020-10-13 11:56:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-13 11:56:52,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:56:52,145 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:56:52,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:56:52,146 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:56:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:56:52,146 INFO L82 PathProgramCache]: Analyzing trace with hash -938221087, now seen corresponding path program 1 times [2020-10-13 11:56:52,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:56:52,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564463276] [2020-10-13 11:56:52,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:56:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:52,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:52,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:52,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:52,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:52,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:57,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:57,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-13 11:56:57,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:56:57,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 11:56:57,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:57,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:56:57,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:56:57,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:56:57,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:58,582 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:56:58,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:56:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:58,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:58,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:58,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:58,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:56:58,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:58,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:58,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:58,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:58,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:58,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:58,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:58,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:58,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:56:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:58,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:58,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:58,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:58,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:58,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:58,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:56:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:58,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:58,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:58,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:58,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:58,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:58,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:58,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:56:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:58,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:58,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:59,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:57:02,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:57:02,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3797 [2020-10-13 11:57:02,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:02,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:02,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:02,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:02,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:02,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:57:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:02,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:02,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:02,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:02,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:57:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:02,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:02,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:02,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:02,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:57:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:57:02,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:02,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:57:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:02,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:02,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:57:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:57:02,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:02,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:57:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:57:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:57:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:57:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:57:02,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:57:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 11:57:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:02,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 11:57:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 11:57:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:02,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:02,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:02,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:57:02,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564463276] [2020-10-13 11:57:02,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:57:02,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 11:57:02,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966628921] [2020-10-13 11:57:02,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:57:02,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:57:02,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:57:02,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:57:02,796 INFO L87 Difference]: Start difference. First operand 587 states and 819 transitions. Second operand 13 states. [2020-10-13 11:57:06,762 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:57:08,124 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:57:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:57:23,384 INFO L93 Difference]: Finished difference Result 1392 states and 2101 transitions. [2020-10-13 11:57:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:57:23,384 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 175 [2020-10-13 11:57:23,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:57:23,393 INFO L225 Difference]: With dead ends: 1392 [2020-10-13 11:57:23,393 INFO L226 Difference]: Without dead ends: 1112 [2020-10-13 11:57:23,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:57:23,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2020-10-13 11:57:23,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 632. [2020-10-13 11:57:23,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-13 11:57:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 894 transitions. [2020-10-13 11:57:23,658 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 894 transitions. Word has length 175 [2020-10-13 11:57:23,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:57:23,659 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 894 transitions. [2020-10-13 11:57:23,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:57:23,659 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 894 transitions. [2020-10-13 11:57:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-13 11:57:23,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:57:23,664 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:57:23,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:57:23,664 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:57:23,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:57:23,665 INFO L82 PathProgramCache]: Analyzing trace with hash 943650660, now seen corresponding path program 1 times [2020-10-13 11:57:23,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:57:23,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488646975] [2020-10-13 11:57:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:57:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:23,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:23,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:23,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:23,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:23,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:28,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:28,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-13 11:57:28,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:57:28,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 11:57:28,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:57:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:57:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:57:28,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:30,047 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:57:30,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:57:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:30,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:30,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:57:30,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:57:30,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:30,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:30,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:30,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:30,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:57:30,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:30,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:30,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:30,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:57:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:30,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:30,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:57:30,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:57:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:30,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:30,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:57:30,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:30,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:30,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:30,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:30,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:57:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:30,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:57:33,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:57:33,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3462 [2020-10-13 11:57:33,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:33,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:33,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:33,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:33,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:33,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:57:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:33,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:33,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:33,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:33,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:33,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:57:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:33,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:33,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:33,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:33,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:57:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:57:33,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:33,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:57:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:33,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:33,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:57:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:57:33,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:33,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:57:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 11:57:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:57:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 11:57:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:57:33,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:33,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:57:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 11:57:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 11:57:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-13 11:57:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:33,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:33,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:33,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:33,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:33,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:57:33,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [488646975] [2020-10-13 11:57:33,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:57:33,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:57:33,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4891290] [2020-10-13 11:57:33,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:57:33,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:57:33,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:57:33,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:57:33,882 INFO L87 Difference]: Start difference. First operand 632 states and 894 transitions. Second operand 12 states. [2020-10-13 11:57:37,008 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:57:54,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:57:54,130 INFO L93 Difference]: Finished difference Result 1912 states and 3008 transitions. [2020-10-13 11:57:54,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:57:54,131 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2020-10-13 11:57:54,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:57:54,144 INFO L225 Difference]: With dead ends: 1912 [2020-10-13 11:57:54,144 INFO L226 Difference]: Without dead ends: 1354 [2020-10-13 11:57:54,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:57:54,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-10-13 11:57:54,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 715. [2020-10-13 11:57:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2020-10-13 11:57:54,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1033 transitions. [2020-10-13 11:57:54,439 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1033 transitions. Word has length 181 [2020-10-13 11:57:54,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:57:54,439 INFO L479 AbstractCegarLoop]: Abstraction has 715 states and 1033 transitions. [2020-10-13 11:57:54,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:57:54,440 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1033 transitions. [2020-10-13 11:57:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-13 11:57:54,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:57:54,444 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:57:54,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:57:54,444 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:57:54,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:57:54,445 INFO L82 PathProgramCache]: Analyzing trace with hash 124469900, now seen corresponding path program 2 times [2020-10-13 11:57:54,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:57:54,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453095688] [2020-10-13 11:57:54,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:57:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:54,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:54,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:54,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:54,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:59,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:59,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-13 11:57:59,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:57:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 11:57:59,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:57:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 11:57:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:57:59,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,893 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:58:00,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:58:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:00,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:00,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:00,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:58:00,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:00,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:00,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:00,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:00,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:00,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:00,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:00,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:58:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:00,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:00,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:00,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:00,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:00,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:00,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:00,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:00,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:58:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:00,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:00,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:00,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:00,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:58:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:01,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:01,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:02,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:58:05,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:58:05,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:58:05,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:06,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:06,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:06,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:06,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:06,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:58:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:06,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:06,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:06,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:06,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:58:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:06,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:06,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:58:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:06,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:06,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:58:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:58:06,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:06,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:58:06,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:06,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:58:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 11:58:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:06,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 11:58:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 11:58:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:06,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 11:58:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 11:58:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:06,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:06,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:06,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:06,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:06,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:58:06,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453095688] [2020-10-13 11:58:06,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:58:06,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:58:06,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796480741] [2020-10-13 11:58:06,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:58:06,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:58:06,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:58:06,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:58:06,268 INFO L87 Difference]: Start difference. First operand 715 states and 1033 transitions. Second operand 12 states. [2020-10-13 11:58:09,939 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:58:25,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:58:25,563 INFO L93 Difference]: Finished difference Result 1957 states and 3077 transitions. [2020-10-13 11:58:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:58:25,564 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 182 [2020-10-13 11:58:25,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:58:25,574 INFO L225 Difference]: With dead ends: 1957 [2020-10-13 11:58:25,574 INFO L226 Difference]: Without dead ends: 1354 [2020-10-13 11:58:25,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:58:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-10-13 11:58:25,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 715. [2020-10-13 11:58:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2020-10-13 11:58:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1031 transitions. [2020-10-13 11:58:25,924 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1031 transitions. Word has length 182 [2020-10-13 11:58:25,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:58:25,924 INFO L479 AbstractCegarLoop]: Abstraction has 715 states and 1031 transitions. [2020-10-13 11:58:25,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:58:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1031 transitions. [2020-10-13 11:58:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-13 11:58:25,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:58:25,929 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:58:25,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:58:25,929 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:58:25,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:58:25,930 INFO L82 PathProgramCache]: Analyzing trace with hash -395036773, now seen corresponding path program 1 times [2020-10-13 11:58:25,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:58:25,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27128609] [2020-10-13 11:58:25,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:58:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:26,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:30,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:30,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-13 11:58:30,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:58:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:58:30,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:58:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:58:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:58:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:32,366 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:58:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:58:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:32,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:32,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:32,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:32,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:32,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:58:32,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:32,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:32,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:32,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:32,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:32,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:32,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:32,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:32,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:32,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:58:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:32,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:32,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:58:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:32,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:32,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:32,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:32,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:32,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:32,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:32,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:32,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:32,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:58:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:32,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:32,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:32,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:32,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:32,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:58:36,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:58:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3706 [2020-10-13 11:58:36,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:36,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:36,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:36,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:36,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:36,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:58:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:36,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:36,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:36,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:36,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:58:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:36,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:36,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:36,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:36,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:58:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:58:36,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:36,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:58:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:36,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:36,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:58:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:58:36,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:36,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:58:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:58:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 11:58:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 11:58:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:58:36,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:58:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 11:58:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:36,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 11:58:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 11:58:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:36,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:36,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:36,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:36,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:36,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:36,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:36,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:58:36,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27128609] [2020-10-13 11:58:36,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:58:36,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:58:36,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708033721] [2020-10-13 11:58:36,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:58:36,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:58:36,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:58:36,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:58:36,440 INFO L87 Difference]: Start difference. First operand 715 states and 1031 transitions. Second operand 12 states. [2020-10-13 11:58:39,761 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:58:55,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:58:55,592 INFO L93 Difference]: Finished difference Result 2449 states and 3998 transitions. [2020-10-13 11:58:55,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:58:55,593 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 182 [2020-10-13 11:58:55,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:58:55,604 INFO L225 Difference]: With dead ends: 2449 [2020-10-13 11:58:55,604 INFO L226 Difference]: Without dead ends: 1814 [2020-10-13 11:58:55,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:58:55,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-10-13 11:58:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 869. [2020-10-13 11:58:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 11:58:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1288 transitions. [2020-10-13 11:58:56,126 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1288 transitions. Word has length 182 [2020-10-13 11:58:56,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:58:56,126 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 1288 transitions. [2020-10-13 11:58:56,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:58:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1288 transitions. [2020-10-13 11:58:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-13 11:58:56,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:58:56,131 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:58:56,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:58:56,132 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:58:56,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:58:56,132 INFO L82 PathProgramCache]: Analyzing trace with hash -308255706, now seen corresponding path program 1 times [2020-10-13 11:58:56,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:58:56,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893177343] [2020-10-13 11:58:56,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:58:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:56,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:56,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:56,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:56,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:56,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:01,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:01,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-13 11:59:01,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:59:01,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 11:59:01,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:59:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:59:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:59:01,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:02,532 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:59:02,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:59:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:02,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:02,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:02,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:59:02,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:02,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:59:02,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:02,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:02,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:02,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:02,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:02,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:59:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:02,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:02,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:02,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:59:02,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:02,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:02,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:02,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:02,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:02,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:02,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:02,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:59:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:02,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:02,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:02,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:59:02,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:02,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:02,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:02,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:02,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:02,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:59:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:02,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:02,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:02,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:59:02,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:02,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:02,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:02,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:02,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:02,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:02,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:02,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:59:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:02,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:02,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:02,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:02,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:03,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking...