/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:56:45,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:56:45,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:56:45,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:56:45,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:56:45,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:56:45,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:56:45,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:56:45,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:56:45,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:56:45,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:56:45,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:56:45,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:56:45,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:56:45,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:56:45,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:56:45,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:56:45,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:56:45,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:56:45,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:56:45,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:56:45,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:56:45,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:56:45,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:56:45,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:56:45,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:56:45,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:56:45,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:56:45,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:56:45,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:56:45,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:56:45,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:56:45,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:56:45,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:56:45,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:56:45,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:56:45,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:56:45,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:56:45,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:56:45,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:56:45,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:56:45,479 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 11:56:45,517 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:56:45,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:56:45,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:56:45,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:56:45,520 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:56:45,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:56:45,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:56:45,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:56:45,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:56:45,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:56:45,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:56:45,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:56:45,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:56:45,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:56:45,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:56:45,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:56:45,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:56:45,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:56:45,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:56:45,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:56:45,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:56:45,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:56:45,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:56:45,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:56:45,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:56:45,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:56:45,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:56:45,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:56:45,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:56:45,526 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 11:56:45,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:56:45,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:56:45,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:56:45,850 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:56:45,851 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:56:45,851 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product33.cil.c [2020-10-13 11:56:45,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37f806f6e/1440252b716e404094f8258027e4e9e2/FLAG692b2f229 [2020-10-13 11:56:46,523 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:56:46,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product33.cil.c [2020-10-13 11:56:46,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37f806f6e/1440252b716e404094f8258027e4e9e2/FLAG692b2f229 [2020-10-13 11:56:46,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37f806f6e/1440252b716e404094f8258027e4e9e2 [2020-10-13 11:56:46,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:56:46,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:56:46,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:56:46,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:56:46,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:56:46,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:56:46" (1/1) ... [2020-10-13 11:56:46,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779392b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:46, skipping insertion in model container [2020-10-13 11:56:46,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:56:46" (1/1) ... [2020-10-13 11:56:46,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:56:46,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:56:47,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:56:47,587 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:56:47,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:56:47,881 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:56:47,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47 WrapperNode [2020-10-13 11:56:47,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:56:47,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:56:47,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:56:47,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:56:47,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (1/1) ... [2020-10-13 11:56:47,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (1/1) ... [2020-10-13 11:56:47,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (1/1) ... [2020-10-13 11:56:47,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (1/1) ... [2020-10-13 11:56:47,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (1/1) ... [2020-10-13 11:56:48,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (1/1) ... [2020-10-13 11:56:48,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (1/1) ... [2020-10-13 11:56:48,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:56:48,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:56:48,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:56:48,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:56:48,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (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 11:56:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:56:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:56:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:56:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:56:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-13 11:56:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-13 11:56:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2020-10-13 11:56:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-13 11:56:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-13 11:56:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-13 11:56:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-13 11:56:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-13 11:56:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-13 11:56:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:56:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:56:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:56:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:56:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:56:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:56:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:56:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:56:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:56:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:56:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:56:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-13 11:56:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-13 11:56:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-13 11:56:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-13 11:56:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-13 11:56:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-13 11:56:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-13 11:56:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-13 11:56:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-13 11:56:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-13 11:56:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-13 11:56:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-13 11:56:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-13 11:56:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-13 11:56:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-13 11:56:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-13 11:56:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-13 11:56:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-13 11:56:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-13 11:56:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-13 11:56:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-13 11:56:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-13 11:56:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-13 11:56:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-13 11:56:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-13 11:56:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-13 11:56:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-13 11:56:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-13 11:56:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-13 11:56:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-13 11:56:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-13 11:56:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-13 11:56:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-13 11:56:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-13 11:56:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-13 11:56:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-13 11:56:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-13 11:56:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-13 11:56:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-13 11:56:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-13 11:56:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-13 11:56:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-13 11:56:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-13 11:56:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-13 11:56:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-13 11:56:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-13 11:56:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-13 11:56:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-13 11:56:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-13 11:56:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-13 11:56:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-13 11:56:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-13 11:56:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-13 11:56:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-13 11:56:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-13 11:56:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-13 11:56:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-13 11:56:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-13 11:56:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-13 11:56:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-13 11:56:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:56:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:56:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-13 11:56:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-13 11:56:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-13 11:56:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-13 11:56:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-13 11:56:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-13 11:56:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-13 11:56:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-13 11:56:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-13 11:56:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-13 11:56:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-13 11:56:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-13 11:56:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-13 11:56:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-13 11:56:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-13 11:56:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-13 11:56:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-13 11:56:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-13 11:56:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-13 11:56:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-13 11:56:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-13 11:56:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-13 11:56:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-13 11:56:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-13 11:56:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-13 11:56:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-13 11:56:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-13 11:56:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-13 11:56:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-13 11:56:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-13 11:56:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-13 11:56:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-13 11:56:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:56:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:56:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:56:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:56:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-13 11:56:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:56:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-13 11:56:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-13 11:56:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-13 11:56:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-13 11:56:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-13 11:56:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-13 11:56:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-13 11:56:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-13 11:56:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-13 11:56:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-13 11:56:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-13 11:56:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-13 11:56:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-13 11:56:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-13 11:56:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-13 11:56:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2020-10-13 11:56:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-13 11:56:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-13 11:56:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:56:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:56:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:56:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:56:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:56:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:56:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:56:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:56:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:56:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:56:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:56:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:56:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-13 11:56:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-13 11:56:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-13 11:56:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-13 11:56:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-13 11:56:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-13 11:56:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:56:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:56:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:56:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:56:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:56:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-13 11:56:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-13 11:56:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-13 11:56:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-13 11:56:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-13 11:56:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-13 11:56:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-13 11:56:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-13 11:56:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-13 11:56:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-13 11:56:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-13 11:56:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-13 11:56:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-13 11:56:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-13 11:56:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-13 11:56:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-13 11:56:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-13 11:56:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-13 11:56:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-13 11:56:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-13 11:56:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-13 11:56:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-13 11:56:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-13 11:56:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-13 11:56:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-13 11:56:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-13 11:56:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-13 11:56:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-13 11:56:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-13 11:56:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-13 11:56:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-13 11:56:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-13 11:56:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-13 11:56:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-13 11:56:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-13 11:56:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-13 11:56:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-13 11:56:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-13 11:56:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-13 11:56:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-13 11:56:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-13 11:56:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-13 11:56:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-13 11:56:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-13 11:56:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-13 11:56:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-13 11:56:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-13 11:56:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-13 11:56:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-13 11:56:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-13 11:56:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-13 11:56:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-13 11:56:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-13 11:56:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-13 11:56:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-13 11:56:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-13 11:56:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-13 11:56:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-13 11:56:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-13 11:56:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-13 11:56:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-13 11:56:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-13 11:56:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:56:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:56:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-13 11:56:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-13 11:56:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-13 11:56:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-13 11:56:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-13 11:56:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-13 11:56:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-13 11:56:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-13 11:56:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-13 11:56:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-13 11:56:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-13 11:56:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:56:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:56:48,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:56:50,210 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:56:50,210 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 11:56:50,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:56:50 BoogieIcfgContainer [2020-10-13 11:56:50,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:56:50,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:56:50,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:56:50,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:56:50,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:56:46" (1/3) ... [2020-10-13 11:56:50,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12264ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:56:50, skipping insertion in model container [2020-10-13 11:56:50,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:56:47" (2/3) ... [2020-10-13 11:56:50,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12264ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:56:50, skipping insertion in model container [2020-10-13 11:56:50,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:56:50" (3/3) ... [2020-10-13 11:56:50,227 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product33.cil.c [2020-10-13 11:56:50,238 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:56:50,248 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:56:50,263 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:56:50,301 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:56:50,302 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:56:50,302 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:56:50,303 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:56:50,305 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:56:50,305 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:56:50,305 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:56:50,306 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:56:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states. [2020-10-13 11:56:50,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-13 11:56:50,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:56:50,382 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] [2020-10-13 11:56:50,382 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:56:50,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:56:50,389 INFO L82 PathProgramCache]: Analyzing trace with hash 855060391, now seen corresponding path program 1 times [2020-10-13 11:56:50,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:56:50,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423406296] [2020-10-13 11:56:50,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:56:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:50,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:51,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:51,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:51,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:53,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:55,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:55,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-13 11:56:55,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:56:55,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5107 [2020-10-13 11:56:56,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 11:56:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:56:57,784 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:56:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:56:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:57,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:57,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:57,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:57,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:57,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 11:56:57,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:57,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:57,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:57,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:57,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:57,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:57,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:57,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:57,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:57,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:57,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:57,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:57,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:57,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:56:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:57,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:57,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:57,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:57,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:57,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:57,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:56:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:57,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:57,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:57,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:57,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:57,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:57,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:57,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:57,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:56:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:57,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:57,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:57,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:58,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:59,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:57:02,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:57:02,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:57:02,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:02,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:02,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:02,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:02,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:02,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:57:02,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:03,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:03,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:03,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:03,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:03,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:03,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:57:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:03,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:57:03,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:57:03,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:03,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:57:03,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:57:03,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:57:03,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:03,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:03,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:03,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:57:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:03,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:57:03,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:57:03,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:03,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:57:03,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:03,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:03,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:03,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:03,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 11:57:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:57:03,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:57:03,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:57:03,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:57:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:57:03,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:57:03,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:57:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:57:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:57:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:57:03,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:03,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:57:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:57:03,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:57:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 11:57:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 11:57:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:03,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:03,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:03,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:03,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:03,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:03,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:03,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:03,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:03,507 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 11:57:03,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423406296] [2020-10-13 11:57:03,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:57:03,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:57:03,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858575549] [2020-10-13 11:57:03,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:57:03,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:57:03,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:57:03,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:57:03,537 INFO L87 Difference]: Start difference. First operand 590 states. Second operand 11 states. [2020-10-13 11:57:22,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:57:22,686 INFO L93 Difference]: Finished difference Result 1445 states and 2159 transitions. [2020-10-13 11:57:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-13 11:57:22,688 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-13 11:57:22,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:57:22,721 INFO L225 Difference]: With dead ends: 1445 [2020-10-13 11:57:22,721 INFO L226 Difference]: Without dead ends: 957 [2020-10-13 11:57:22,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 11:57:22,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2020-10-13 11:57:23,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 567. [2020-10-13 11:57:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-10-13 11:57:23,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 749 transitions. [2020-10-13 11:57:23,072 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 749 transitions. Word has length 158 [2020-10-13 11:57:23,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:57:23,073 INFO L479 AbstractCegarLoop]: Abstraction has 567 states and 749 transitions. [2020-10-13 11:57:23,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:57:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 749 transitions. [2020-10-13 11:57:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-13 11:57:23,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:57:23,078 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] [2020-10-13 11:57:23,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:57:23,079 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:57:23,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:57:23,079 INFO L82 PathProgramCache]: Analyzing trace with hash -66196826, now seen corresponding path program 1 times [2020-10-13 11:57:23,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:57:23,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715131] [2020-10-13 11:57:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:57:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:23,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:23,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:28,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:28,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-13 11:57:28,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:57:28,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-13 11:57:28,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:28,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:57:28,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:57:28,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:57:28,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:29,635 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:57:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:57:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:29,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:29,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:29,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:57:29,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:29,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 11:57:29,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:29,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:29,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:29,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:29,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:29,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:57:29,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:29,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:29,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:29,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:29,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:29,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:57:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:29,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:29,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:29,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:57:29,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:29,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:29,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:29,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:29,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:57:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:29,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:29,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:29,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:57:29,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:29,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:29,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:29,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:29,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:29,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:29,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:57:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:29,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:29,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:29,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:29,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:30,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:57:34,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:57:34,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:57:34,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:34,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:34,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:34,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:34,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:34,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:34,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:34,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:34,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:34,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:34,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:34,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:34,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:34,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:57:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:34,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:57:34,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:34,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:34,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:34,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:34,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:34,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:34,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:34,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:34,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:34,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:57:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:34,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:57:34,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:34,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:34,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:57:34,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:34,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:34,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:34,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:34,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:34,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:34,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:34,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:34,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:34,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:34,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:34,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:57:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:57:35,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:57:35,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:57:35,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:35,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:35,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:35,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:35,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:35,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:35,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:57:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:57:35,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:57:35,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:57:35,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:35,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:35,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:57:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:35,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:35,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:57:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:57:35,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:35,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:57:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:57:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:35,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:35,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:57:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:35,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:35,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:35,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 11:57:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:35,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:35,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:35,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:35,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:35,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:35,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:35,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:35,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:35,334 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 11:57:35,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715131] [2020-10-13 11:57:35,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:57:35,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:57:35,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384834723] [2020-10-13 11:57:35,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:57:35,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:57:35,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:57:35,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:57:35,341 INFO L87 Difference]: Start difference. First operand 567 states and 749 transitions. Second operand 12 states. [2020-10-13 11:57:39,455 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:57:53,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:57:53,573 INFO L93 Difference]: Finished difference Result 1284 states and 1803 transitions. [2020-10-13 11:57:53,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:57:53,574 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2020-10-13 11:57:53,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:57:53,585 INFO L225 Difference]: With dead ends: 1284 [2020-10-13 11:57:53,585 INFO L226 Difference]: Without dead ends: 960 [2020-10-13 11:57:53,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:57:53,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-10-13 11:57:53,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 569. [2020-10-13 11:57:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-10-13 11:57:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 751 transitions. [2020-10-13 11:57:53,806 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 751 transitions. Word has length 159 [2020-10-13 11:57:53,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:57:53,806 INFO L479 AbstractCegarLoop]: Abstraction has 569 states and 751 transitions. [2020-10-13 11:57:53,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:57:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 751 transitions. [2020-10-13 11:57:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-13 11:57:53,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:57:53,810 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] [2020-10-13 11:57:53,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:57:53,810 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:57:53,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:57:53,811 INFO L82 PathProgramCache]: Analyzing trace with hash -868266921, now seen corresponding path program 1 times [2020-10-13 11:57:53,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:57:53,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612619367] [2020-10-13 11:57:53,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:57:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:53,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:54,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:54,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:54,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:57,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:58,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:58,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-13 11:57:58,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:57:58,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 11:57:58,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:58,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:57:58,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:57:58,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:57:58,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,379 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:58:00,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:58:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:00,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:00,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:58:00,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:00,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:00,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:58:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:00,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:00,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:00,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:58:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:00,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:00,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:00,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:00,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:58:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:00,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:01,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:58:05,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:58:05,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:58:05,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:05,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:05,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:05,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:05,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:58:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:05,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:05,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:05,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:05,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:58:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:05,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:05,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:05,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:05,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:58:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:58:05,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:58:05,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:58:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:58:05,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:58:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:58:05,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:05,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:58:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:05,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 11:58:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:05,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 11:58:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:58:05,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:05,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:58:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:58:05,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 11:58:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:05,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:58:05,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 11:58:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:05,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:58:05,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 11:58:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:05,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:05,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:05,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:05,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:05,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:05,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:58:05,889 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 11:58:05,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612619367] [2020-10-13 11:58:05,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:58:05,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:58:05,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333632348] [2020-10-13 11:58:05,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:58:05,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:58:05,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:58:05,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:58:05,896 INFO L87 Difference]: Start difference. First operand 569 states and 751 transitions. Second operand 12 states. [2020-10-13 11:58:10,453 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:58:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:58:26,384 INFO L93 Difference]: Finished difference Result 1592 states and 2317 transitions. [2020-10-13 11:58:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:58:26,385 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2020-10-13 11:58:26,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:58:26,394 INFO L225 Difference]: With dead ends: 1592 [2020-10-13 11:58:26,394 INFO L226 Difference]: Without dead ends: 1088 [2020-10-13 11:58:26,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:58:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-10-13 11:58:26,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 611. [2020-10-13 11:58:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-10-13 11:58:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 823 transitions. [2020-10-13 11:58:26,606 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 823 transitions. Word has length 171 [2020-10-13 11:58:26,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:58:26,607 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 823 transitions. [2020-10-13 11:58:26,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:58:26,607 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 823 transitions. [2020-10-13 11:58:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-13 11:58:26,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:58:26,611 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] [2020-10-13 11:58:26,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:58:26,611 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:58:26,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:58:26,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1221959654, now seen corresponding path program 1 times [2020-10-13 11:58:26,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:58:26,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297324868] [2020-10-13 11:58:26,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:58:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:26,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:27,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:28,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:28,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:28,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:28,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:28,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:28,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:31,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-13 11:58:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 11:58:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:58:31,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:58:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:58:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:58:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:33,104 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:58:33,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:58:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:33,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:33,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:33,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:33,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:33,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 11:58:33,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:33,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:33,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:33,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:33,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:33,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:33,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:33,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:33,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:33,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:33,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:33,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:58:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:33,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:33,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:33,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:33,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:58:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:33,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:33,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:33,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:33,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:33,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:33,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:33,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:58:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:33,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:33,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:34,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:58:37,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:58:37,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4017 [2020-10-13 11:58:37,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:37,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:58:37,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:37,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:37,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:58:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:37,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:37,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:37,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:58:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:37,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:37,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:37,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:58:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:58:37,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:58:37,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:58:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:37,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:58:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:58:37,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:37,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:58:37,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:37,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 11:58:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:37,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:58:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:58:37,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:37,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:58:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 11:58:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:37,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 11:58:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 11:58:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:37,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:37,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:37,567 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 11:58:37,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297324868] [2020-10-13 11:58:37,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:58:37,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:58:37,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548508998] [2020-10-13 11:58:37,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:58:37,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:58:37,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:58:37,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:58:37,570 INFO L87 Difference]: Start difference. First operand 611 states and 823 transitions. Second operand 12 states. [2020-10-13 11:58:42,079 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:59:00,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:59:00,487 INFO L93 Difference]: Finished difference Result 1877 states and 2857 transitions. [2020-10-13 11:59:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:59:00,488 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 172 [2020-10-13 11:59:00,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:59:00,503 INFO L225 Difference]: With dead ends: 1877 [2020-10-13 11:59:00,503 INFO L226 Difference]: Without dead ends: 1331 [2020-10-13 11:59:00,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:59:00,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2020-10-13 11:59:00,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 692. [2020-10-13 11:59:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-10-13 11:59:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 961 transitions. [2020-10-13 11:59:00,851 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 961 transitions. Word has length 172 [2020-10-13 11:59:00,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:59:00,851 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 961 transitions. [2020-10-13 11:59:00,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:59:00,852 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 961 transitions. [2020-10-13 11:59:00,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-13 11:59:00,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:59:00,857 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 11:59:00,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:59:00,857 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:59:00,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:59:00,857 INFO L82 PathProgramCache]: Analyzing trace with hash 946259743, now seen corresponding path program 1 times [2020-10-13 11:59:00,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:59:00,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106986840] [2020-10-13 11:59:00,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:59:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:00,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:01,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:01,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:01,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:01,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:05,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:05,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-13 11:59:05,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:59:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:59:05,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:59:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 11:59:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:59:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:07,332 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:59:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:59:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:07,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:07,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:07,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:59:07,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:59:07,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:07,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:07,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:59:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:07,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:07,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:59:07,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:07,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:07,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:07,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:07,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:07,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:07,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:59:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:07,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:07,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:07,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:59:07,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:07,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:07,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:07,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:07,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:07,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:07,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:07,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:59:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:07,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:07,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:59:07,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:07,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:07,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:59:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:07,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:07,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:07,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:11,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:11,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:59:11,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:59:11,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4404 [2020-10-13 11:59:11,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:59:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:59:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:59:11,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:11,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:11,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:11,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:11,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:59:11,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:11,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:59:11,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:11,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:11,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:11,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:11,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:59:11,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:11,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:11,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:11,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:11,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:11,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:11,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:11,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:11,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:11,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:11,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:11,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:11,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:59:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:11,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:11,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:11,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:11,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:11,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:11,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:11,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:11,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:59:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:11,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:11,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:11,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:11,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:59:11,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:59:11,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 11:59:11,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:59:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:59:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 11:59:11,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:59:12,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:59:12,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:59:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:59:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:59:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:59:12,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:59:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:59:12,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:59:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:59:12,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:59:12,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:59:12,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:59:12,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:59:12,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:59:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 11:59:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:59:12,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:59:12,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:59:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:59:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:59:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:59:12,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:59:12,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:59:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:59:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:59:12,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:59:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:59:12,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:59:12,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:59:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:12,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:59:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:12,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:59:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:59:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:59:12,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:59:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 11:59:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:59:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 11:59:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:59:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 11:59:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:12,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:12,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:12,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:12,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:12,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:12,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:12,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:12,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:59:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 11:59:12,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106986840] [2020-10-13 11:59:12,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:59:12,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 11:59:12,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451416327] [2020-10-13 11:59:12,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 11:59:12,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:59:12,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 11:59:12,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:59:12,393 INFO L87 Difference]: Start difference. First operand 692 states and 961 transitions. Second operand 17 states. [2020-10-13 11:59:15,983 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 11:59:17,923 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-13 11:59:19,408 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-13 11:59:21,229 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-13 11:59:44,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:59:44,558 INFO L93 Difference]: Finished difference Result 2341 states and 3722 transitions. [2020-10-13 11:59:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-13 11:59:44,559 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 175 [2020-10-13 11:59:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:59:44,571 INFO L225 Difference]: With dead ends: 2341 [2020-10-13 11:59:44,571 INFO L226 Difference]: Without dead ends: 1686 [2020-10-13 11:59:44,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=523, Invalid=1733, Unknown=0, NotChecked=0, Total=2256 [2020-10-13 11:59:44,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2020-10-13 11:59:44,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 706. [2020-10-13 11:59:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-10-13 11:59:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 980 transitions. [2020-10-13 11:59:44,914 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 980 transitions. Word has length 175 [2020-10-13 11:59:44,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:59:44,914 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 980 transitions. [2020-10-13 11:59:44,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 11:59:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 980 transitions. [2020-10-13 11:59:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 11:59:44,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:59:44,919 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:59:44,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:59:44,919 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:59:44,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:59:44,920 INFO L82 PathProgramCache]: Analyzing trace with hash 354304681, now seen corresponding path program 1 times [2020-10-13 11:59:44,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:59:44,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640572706] [2020-10-13 11:59:44,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:59:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:45,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:45,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:45,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:45,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:47,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:47,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:50,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:50,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-13 11:59:50,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:59:50,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 11:59:50,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:59:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 11:59:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:59:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:51,336 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-13 11:59:51,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:59:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:51,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:51,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:51,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:59:51,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:59:51,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:51,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:59:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:51,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:51,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:51,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:59:51,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:51,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:51,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:51,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:51,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:51,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:51,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:51,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:59:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:51,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:51,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:51,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:59:51,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:51,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:51,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:51,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:51,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:51,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:51,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:51,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:59:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:51,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:51,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:51,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:59:51,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:51,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:51,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:51,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:59:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:51,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:51,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:51,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:51,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:51,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 11:59:56,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:59:56,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4974 [2020-10-13 11:59:56,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:59:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:59:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:59:56,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:59:56,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:59:56,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:59:56,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:59:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:56,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:56,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:59:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:56,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:56,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:59:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:59:56,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:59:56,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-13 11:59:56,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:59:56,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:59:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 11:59:56,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:59:56,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:59:56,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:59:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:59:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:56,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:59:56,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:59:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:59:56,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:59:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:59:56,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:59:56,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:59:56,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:59:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:59:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:59:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:59:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:59:56,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:59:56,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:59:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:59:56,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:56,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:56,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:56,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:59:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:56,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:56,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:59:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:59:56,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:59:56,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:59:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:59:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:56,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:59:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:59:56,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:59:56,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:59:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:56,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:56,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:56,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:56,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:56,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:59:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:56,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:57,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:57,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:57,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:57,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:57,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:57,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:57,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:57,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:57,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:57,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:59:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:57,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:57,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:57,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:59:57,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:59:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:59:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:57,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:57,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:59:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:57,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:57,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:57,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:57,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:57,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:57,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:59:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:57,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:57,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:59:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:57,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:57,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:57,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:57,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:57,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:59:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:57,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 11:59:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:57,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:57,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:57,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:59:57,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:57,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:57,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 11:59:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:57,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:57,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:57,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:57,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:57,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:59:57,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:57,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:59:57,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:57,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 11:59:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:57,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:57,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:57,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:57,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:57,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:57,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:59:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:57,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 11:59:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:59:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:59:57,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:59:57,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:59:57,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:59:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:59:57,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:59:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:59:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:59:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:59:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:59:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:59:57,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640572706] [2020-10-13 11:59:57,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:59:57,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-13 11:59:57,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695340923] [2020-10-13 11:59:57,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-13 11:59:57,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:59:57,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-13 11:59:57,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-10-13 11:59:57,119 INFO L87 Difference]: Start difference. First operand 706 states and 980 transitions. Second operand 20 states. [2020-10-13 12:00:00,494 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 12:00:02,356 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-13 12:00:03,845 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-13 12:00:05,592 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-13 12:00:07,209 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-13 12:00:08,723 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-13 12:00:10,781 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-13 12:00:12,325 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-13 12:00:15,274 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 568