/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:55:22,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:55:22,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:55:22,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:55:22,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:55:22,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:55:22,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:55:22,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:55:22,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:55:22,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:55:22,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:55:22,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:55:22,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:55:22,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:55:22,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:55:22,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:55:22,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:55:22,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:55:22,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:55:22,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:55:22,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:55:22,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:55:22,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:55:22,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:55:22,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:55:22,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:55:22,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:55:22,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:55:22,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:55:22,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:55:22,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:55:22,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:55:22,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:55:22,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:55:22,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:55:22,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:55:22,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:55:22,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:55:22,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:55:22,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:55:22,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:55:22,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:55:22,545 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:55:22,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:55:22,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:55:22,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:55:22,547 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:55:22,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:55:22,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:55:22,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:55:22,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:55:22,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:55:22,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:55:22,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:55:22,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:55:22,549 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:55:22,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:55:22,549 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:55:22,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:55:22,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:55:22,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:55:22,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:55:22,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:55:22,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:55:22,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:55:22,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:55:22,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:55:22,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:55:22,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:55:22,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:55:22,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:55:22,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:55:22,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:55:22,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:55:22,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:55:22,944 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:55:22,945 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:55:22,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product31.cil.c [2020-10-27 21:55:23,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d135fc6e/2efdd2c8d5a3407cbf515ac3f6374710/FLAG61950c12b [2020-10-27 21:55:23,892 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:55:23,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product31.cil.c [2020-10-27 21:55:23,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d135fc6e/2efdd2c8d5a3407cbf515ac3f6374710/FLAG61950c12b [2020-10-27 21:55:24,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d135fc6e/2efdd2c8d5a3407cbf515ac3f6374710 [2020-10-27 21:55:24,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:55:24,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:55:24,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:55:24,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:55:24,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:55:24,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:55:24" (1/1) ... [2020-10-27 21:55:24,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d4948c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:24, skipping insertion in model container [2020-10-27 21:55:24,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:55:24" (1/1) ... [2020-10-27 21:55:24,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:55:24,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:55:24,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:55:24,981 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:55:25,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:55:25,236 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:55:25,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25 WrapperNode [2020-10-27 21:55:25,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:55:25,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:55:25,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:55:25,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:55:25,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (1/1) ... [2020-10-27 21:55:25,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (1/1) ... [2020-10-27 21:55:25,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (1/1) ... [2020-10-27 21:55:25,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (1/1) ... [2020-10-27 21:55:25,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (1/1) ... [2020-10-27 21:55:25,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (1/1) ... [2020-10-27 21:55:25,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (1/1) ... [2020-10-27 21:55:25,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:55:25,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:55:25,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:55:25,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:55:25,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:55:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:55:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:55:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:55:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:55:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:55:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:55:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:55:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:55:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:55:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:55:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:55:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:55:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:55:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:55:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:55:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:55:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:55:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:55:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:55:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:55:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:55:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:55:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:55:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:55:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:55:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:55:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:55:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:55:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:55:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:55:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:55:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:55:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:55:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:55:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:55:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:55:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:55:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:55:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:55:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:55:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:55:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:55:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:55:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:55:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:55:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:55:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:55:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:55:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:55:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:55:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:55:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:55:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:55:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:55:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:55:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:55:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:55:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:55:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:55:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:55:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:55:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:55:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:55:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:55:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:55:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:55:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:55:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:55:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-27 21:55:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:55:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:55:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:55:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:55:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-27 21:55:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:55:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:55:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:55:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:55:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:55:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:55:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:55:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:55:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:55:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:55:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:55:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:55:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:55:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:55:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:55:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:55:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:55:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:55:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:55:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:55:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:55:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:55:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:55:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:55:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:55:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:55:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:55:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:55:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:55:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:55:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:55:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:55:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:55:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-27 21:55:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-27 21:55:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:55:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2020-10-27 21:55:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 21:55:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:55:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 21:55:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:55:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:55:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:55:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:55:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:55:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:55:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:55:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:55:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:55:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:55:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:55:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:55:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:55:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:55:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:55:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:55:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:55:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:55:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:55:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:55:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:55:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:55:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:55:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:55:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:55:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:55:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:55:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:55:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:55:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:55:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:55:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:55:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:55:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:55:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:55:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:55:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:55:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:55:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:55:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:55:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:55:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:55:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:55:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:55:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:55:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:55:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:55:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:55:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:55:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:55:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:55:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:55:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:55:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:55:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:55:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:55:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:55:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:55:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:55:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:55:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:55:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:55:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:55:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:55:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:55:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:55:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:55:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:55:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:55:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:55:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:55:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:55:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:55:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:55:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:55:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:55:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:55:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:55:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:55:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:55:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:55:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:55:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:55:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:55:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:55:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:55:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:55:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:55:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:55:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:55:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:55:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:55:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:55:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:55:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-27 21:55:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:55:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-27 21:55:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:55:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:55:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-27 21:55:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-27 21:55:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:55:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:55:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:55:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:55:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:55:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:55:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:55:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:55:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:55:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:55:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:55:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:55:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:55:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:55:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2020-10-27 21:55:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 21:55:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 21:55:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:55:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:55:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:55:28,343 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:55:28,344 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:55:28,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:55:28 BoogieIcfgContainer [2020-10-27 21:55:28,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:55:28,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:55:28,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:55:28,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:55:28,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:55:24" (1/3) ... [2020-10-27 21:55:28,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff70690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:55:28, skipping insertion in model container [2020-10-27 21:55:28,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:25" (2/3) ... [2020-10-27 21:55:28,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff70690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:55:28, skipping insertion in model container [2020-10-27 21:55:28,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:55:28" (3/3) ... [2020-10-27 21:55:28,357 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product31.cil.c [2020-10-27 21:55:28,369 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:55:28,376 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:55:28,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:55:28,422 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:55:28,422 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:55:28,423 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:55:28,423 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:55:28,423 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:55:28,423 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:55:28,423 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:55:28,423 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:55:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states. [2020-10-27 21:55:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 21:55:28,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:55:28,502 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] [2020-10-27 21:55:28,502 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:55:28,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:55:28,515 INFO L82 PathProgramCache]: Analyzing trace with hash -141785090, now seen corresponding path program 1 times [2020-10-27 21:55:28,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:55:28,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300693813] [2020-10-27 21:55:28,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:55:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:29,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:29,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:29,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:29,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:30,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:34,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:34,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 21:55:34,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:55:34,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 21:55:34,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:34,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:55:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:34,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:55:37,123 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:55:37,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:55:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:37,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:37,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:37,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:55:37,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 21:55:37,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:37,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:55:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:37,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:37,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:37,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:55:37,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:37,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:37,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:37,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:37,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:37,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:55:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:37,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:37,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:37,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:55:37,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:37,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:55:37,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:37,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:37,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:55:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:37,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:37,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:55:37,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:37,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:55:37,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:55:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:37,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:37,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:37,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:37,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:39,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:55:42,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:55:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:55:42,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:55:42,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:55:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:55:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:55:42,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:55:42,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:55:42,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:55:42,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:55:42,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:42,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:55:42,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:55:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:42,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:55:42,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:55:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:55:42,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:55:42,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:55:42,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:55:42,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:42,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:55:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:42,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:42,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:55:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:55:42,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:55:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 21:55:42,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:55:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:55:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:55:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:55:42,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:55:42,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:55:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 21:55:42,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:42,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:42,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:55:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:42,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:55:42,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:55:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:55:42,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:55:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:55:42,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:55:42,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:55:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:42,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:42,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:42,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:55:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:42,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:42,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:42,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:42,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:42,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:43,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:55:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:43,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:43,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:43,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:55:43,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:55:43,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:55:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:43,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:43,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:43,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:43,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:43,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:43,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:43,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:43,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:43,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:43,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:55:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:43,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:43,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:43,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:43,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:43,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:55:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:43,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:55:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:43,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:43,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:43,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:55:43,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:43,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:55:43,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:43,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:55:43,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:43,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:43,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:55:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:43,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:43,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:43,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:43,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:43,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:55:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:43,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:55:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:43,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:43,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:43,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:43,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:43,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:43,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:43,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:43,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:55:43,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:43,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:55:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:43,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:43,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:43,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:43,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:43,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:43,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:43,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:55:43,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:43,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:55:43,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300693813] [2020-10-27 21:55:43,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:55:43,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 21:55:43,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551089505] [2020-10-27 21:55:43,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 21:55:43,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:55:43,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 21:55:43,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:55:43,198 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 16 states. [2020-10-27 21:55:48,122 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:55:51,547 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 21:55:53,794 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:55:56,637 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:56:20,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:56:20,378 INFO L93 Difference]: Finished difference Result 1549 states and 2290 transitions. [2020-10-27 21:56:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 21:56:20,380 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2020-10-27 21:56:20,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:56:20,415 INFO L225 Difference]: With dead ends: 1549 [2020-10-27 21:56:20,415 INFO L226 Difference]: Without dead ends: 898 [2020-10-27 21:56:20,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1705 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=1042, Invalid=4070, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 21:56:20,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-10-27 21:56:20,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 554. [2020-10-27 21:56:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-27 21:56:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 731 transitions. [2020-10-27 21:56:20,931 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 731 transitions. Word has length 159 [2020-10-27 21:56:20,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:56:20,933 INFO L481 AbstractCegarLoop]: Abstraction has 554 states and 731 transitions. [2020-10-27 21:56:20,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 21:56:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 731 transitions. [2020-10-27 21:56:20,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 21:56:20,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:56:20,947 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:56:20,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:56:20,947 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:56:20,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:56:20,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1439214626, now seen corresponding path program 1 times [2020-10-27 21:56:20,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:56:20,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966021260] [2020-10-27 21:56:20,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:56:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:21,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:21,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:21,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:21,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:21,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:22,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:23,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:26,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:26,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 21:56:26,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:56:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 21:56:26,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:56:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:56:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:56:26,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:28,396 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:56:28,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:56:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:28,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:28,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:28,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:56:28,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 21:56:28,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:28,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:56:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:28,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:28,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:28,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:56:28,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:28,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:28,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:28,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:56:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:56:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:28,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:28,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:56:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:28,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:28,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:28,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:56:28,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:28,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:28,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:28,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:56:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:28,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:28,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:28,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:28,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:30,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:30,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:30,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:56:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:56:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:56:33,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:56:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:56:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:56:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:56:33,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:56:33,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:33,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:56:33,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:56:33,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:33,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:33,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:33,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:33,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:56:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:33,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:33,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:33,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:33,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:56:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:56:33,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:56:33,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:33,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:56:33,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:56:33,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:33,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:33,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:33,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:56:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:33,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:33,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:33,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:56:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:56:33,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:56:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 21:56:33,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:56:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:56:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:56:33,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:33,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:56:33,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 21:56:33,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:56:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:56:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:33,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:33,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:33,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:33,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:33,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:33,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 21:56:33,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:33,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:56:33,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:56:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:56:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:56:34,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:56:34,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:56:34,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:56:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:56:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:56:34,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:56:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:56:34,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:56:34,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:56:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:34,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:34,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:56:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:34,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:34,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:56:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:56:34,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:56:34,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:56:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:34,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:34,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:34,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:56:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:34,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:34,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:56:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:56:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:56:34,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:34,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:56:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:56:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:34,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:34,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:56:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:56:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:34,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:34,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:56:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:56:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:34,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:34,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:34,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:34,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:34,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:34,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:34,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:34,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:56:34,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:34,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:56:34,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966021260] [2020-10-27 21:56:34,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:56:34,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:56:34,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412828224] [2020-10-27 21:56:34,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:56:34,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:56:34,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:56:34,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:56:34,460 INFO L87 Difference]: Start difference. First operand 554 states and 731 transitions. Second operand 19 states. [2020-10-27 21:56:39,929 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 599 [2020-10-27 21:56:42,874 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:56:45,439 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-27 21:56:48,999 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:56:52,594 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:57:13,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:57:13,004 INFO L93 Difference]: Finished difference Result 1394 states and 1960 transitions. [2020-10-27 21:57:13,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 21:57:13,005 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 161 [2020-10-27 21:57:13,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:57:13,015 INFO L225 Difference]: With dead ends: 1394 [2020-10-27 21:57:13,016 INFO L226 Difference]: Without dead ends: 903 [2020-10-27 21:57:13,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=366, Invalid=1356, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:57:13,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2020-10-27 21:57:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 556. [2020-10-27 21:57:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-27 21:57:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 732 transitions. [2020-10-27 21:57:13,307 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 732 transitions. Word has length 161 [2020-10-27 21:57:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:57:13,308 INFO L481 AbstractCegarLoop]: Abstraction has 556 states and 732 transitions. [2020-10-27 21:57:13,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:57:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 732 transitions. [2020-10-27 21:57:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 21:57:13,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:57:13,313 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:57:13,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:57:13,313 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:57:13,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:57:13,314 INFO L82 PathProgramCache]: Analyzing trace with hash 519870001, now seen corresponding path program 1 times [2020-10-27 21:57:13,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:57:13,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454726970] [2020-10-27 21:57:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:57:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:13,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:13,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:14,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:18,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:18,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 21:57:18,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:57:18,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 21:57:18,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:18,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:57:18,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:57:18,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:57:18,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:20,644 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:57:20,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:57:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:20,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:20,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:20,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:57:20,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 21:57:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:20,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:57:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:20,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:20,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:20,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:57:20,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:57:20,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:57:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:20,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:20,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:20,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:57:20,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:20,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:57:20,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:20,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:57:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:20,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:20,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:20,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:57:20,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:20,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:57:20,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:20,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:20,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:20,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:57:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:20,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:20,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:20,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:20,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:21,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:57:25,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:57:25,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:57:25,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:57:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:57:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:57:25,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:57:25,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:25,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:57:25,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:25,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:57:25,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:25,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:57:25,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:25,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:25,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:25,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:25,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:25,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:57:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:25,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:25,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:25,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:57:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:57:25,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:25,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:57:25,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:25,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:25,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:25,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:57:25,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:25,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:57:25,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:25,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:25,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:57:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:25,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:25,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:25,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:25,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:25,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:25,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:57:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:25,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:25,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:57:26,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:57:26,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 21:57:26,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:57:26,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:57:26,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:57:26,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:57:26,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:57:26,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:57:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:57:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:57:26,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:57:26,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:57:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:57:26,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:57:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:57:26,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:57:26,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:57:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:57:26,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 21:57:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:57:26,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:57:26,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:57:26,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:26,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:26,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:57:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:26,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:26,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:57:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:57:26,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:57:26,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:57:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:26,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:57:26,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:57:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:26,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:26,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:57:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:57:26,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:26,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:57:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 21:57:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:26,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:26,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:57:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:26,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:57:26,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 21:57:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:26,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:26,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:26,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:26,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:26,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:26,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:26,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:57:26,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454726970] [2020-10-27 21:57:26,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:57:26,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:57:26,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626013632] [2020-10-27 21:57:26,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:57:26,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:57:26,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:57:26,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:57:26,505 INFO L87 Difference]: Start difference. First operand 556 states and 732 transitions. Second operand 19 states. [2020-10-27 21:57:30,695 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:57:34,772 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 21:57:37,200 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:57:39,690 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:57:42,177 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:57:46,596 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:58:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:58:10,173 INFO L93 Difference]: Finished difference Result 1518 states and 2196 transitions. [2020-10-27 21:58:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 21:58:10,175 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 168 [2020-10-27 21:58:10,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:58:10,183 INFO L225 Difference]: With dead ends: 1518 [2020-10-27 21:58:10,184 INFO L226 Difference]: Without dead ends: 1023 [2020-10-27 21:58:10,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=596, Invalid=2266, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 21:58:10,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2020-10-27 21:58:10,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 596. [2020-10-27 21:58:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-27 21:58:10,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 800 transitions. [2020-10-27 21:58:10,471 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 800 transitions. Word has length 168 [2020-10-27 21:58:10,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:58:10,472 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 800 transitions. [2020-10-27 21:58:10,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:58:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 800 transitions. [2020-10-27 21:58:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-27 21:58:10,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:58:10,476 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:58:10,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:58:10,477 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:58:10,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:58:10,478 INFO L82 PathProgramCache]: Analyzing trace with hash -478893486, now seen corresponding path program 1 times [2020-10-27 21:58:10,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:58:10,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427547509] [2020-10-27 21:58:10,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:58:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:10,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:10,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:10,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:11,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:11,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:11,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:15,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:15,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-27 21:58:15,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:58:15,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 21:58:15,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:58:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 21:58:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:58:15,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:17,851 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:58:17,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:58:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:17,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:17,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:17,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:58:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:17,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:17,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:17,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:58:17,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:17,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:58:17,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:17,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:17,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:58:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:17,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:17,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:17,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:58:17,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:17,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:58:17,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:17,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:17,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:17,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:17,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:17,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:58:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:17,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:17,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:17,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:58:17,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:17,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:58:17,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:17,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:17,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:17,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:58:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:17,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:17,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:17,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:18,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:18,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:22,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:22,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:58:22,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:58:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:58:22,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:58:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:58:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:58:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:58:23,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:58:23,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:58:23,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:58:23,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:58:23,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 34 [2020-10-27 21:58:23,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:58:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:58:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:58:23,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:58:23,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:58:23,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:58:23,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:58:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:58:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:58:23,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:58:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 21:58:23,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:58:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:58:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:58:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:58:23,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:58:23,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:58:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:58:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:58:23,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:58:23,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:58:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:58:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:58:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:58:23,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:58:23,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:58:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:58:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:58:23,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 21:58:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:58:23,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:58:23,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:58:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:58:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 21:58:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:58:23,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:58:23,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:58:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:58:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 21:58:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:58:23,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:58:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:58:23,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:58:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 21:58:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:23,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:58:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 21:58:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:58:23,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:58:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 21:58:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:23,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:23,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:23,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:58:23,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:23,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:58:23,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:58:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:23,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:58:23,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427547509] [2020-10-27 21:58:23,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:58:23,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 21:58:23,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631256671] [2020-10-27 21:58:23,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 21:58:23,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:58:23,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 21:58:23,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:58:23,853 INFO L87 Difference]: Start difference. First operand 596 states and 800 transitions. Second operand 20 states. [2020-10-27 21:58:29,474 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 596 [2020-10-27 21:58:32,579 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:58:36,868 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:58:40,215 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:58:42,556 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 595