/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:44:20,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:44:20,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:44:20,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:44:20,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:44:20,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:44:20,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:44:20,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:44:20,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:44:20,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:44:20,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:44:20,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:44:20,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:44:20,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:44:20,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:44:20,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:44:20,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:44:20,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:44:20,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:44:20,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:44:20,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:44:20,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:44:20,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:44:20,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:44:20,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:44:20,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:44:20,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:44:20,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:44:20,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:44:20,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:44:20,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:44:20,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:44:20,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:44:20,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:44:20,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:44:20,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:44:20,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:44:20,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:44:20,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:44:20,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:44:20,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:44:20,473 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 21:44:20,541 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:44:20,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:44:20,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:44:20,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:44:20,547 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:44:20,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:44:20,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:44:20,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:44:20,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:44:20,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:44:20,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:44:20,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:44:20,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:44:20,549 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:44:20,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:44:20,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:44:20,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:44:20,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:44:20,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:44:20,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:44:20,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:44:20,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:44:20,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:44:20,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:44:20,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:44:20,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:44:20,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:44:20,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:44:20,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:44:20,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:44:20,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:44:21,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:44:21,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:44:21,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:44:21,007 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:44:21,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product25.cil.c [2020-10-27 21:44:21,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bee90a6ef/73506ad2608b4c16bd47e0e691cd14f8/FLAG8bfc76f5f [2020-10-27 21:44:21,880 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:44:21,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec7_product25.cil.c [2020-10-27 21:44:21,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bee90a6ef/73506ad2608b4c16bd47e0e691cd14f8/FLAG8bfc76f5f [2020-10-27 21:44:22,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bee90a6ef/73506ad2608b4c16bd47e0e691cd14f8 [2020-10-27 21:44:22,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:44:22,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:44:22,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:44:22,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:44:22,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:44:22,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:44:22" (1/1) ... [2020-10-27 21:44:22,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@835940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:22, skipping insertion in model container [2020-10-27 21:44:22,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:44:22" (1/1) ... [2020-10-27 21:44:22,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:44:22,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:44:22,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:44:22,832 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:44:22,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:44:23,068 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:44:23,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23 WrapperNode [2020-10-27 21:44:23,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:44:23,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:44:23,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:44:23,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:44:23,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (1/1) ... [2020-10-27 21:44:23,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (1/1) ... [2020-10-27 21:44:23,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (1/1) ... [2020-10-27 21:44:23,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (1/1) ... [2020-10-27 21:44:23,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (1/1) ... [2020-10-27 21:44:23,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (1/1) ... [2020-10-27 21:44:23,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (1/1) ... [2020-10-27 21:44:23,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:44:23,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:44:23,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:44:23,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:44:23,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (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 21:44:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:44:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:44:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:44:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:44:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:44:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:44:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-27 21:44:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:44:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:44:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:44:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:44:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:44:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:44:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:44:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:44:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:44:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:44:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:44:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:44:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:44:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 21:44:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:44:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:44:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:44:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:44:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:44:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:44:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:44:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:44:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:44:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:44:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 21:44:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:44:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:44:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:44:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:44:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:44:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:44:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:44:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:44:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:44:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:44:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:44:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:44:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:44:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:44:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:44:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:44:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:44:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:44:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:44:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:44:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:44:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:44:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:44:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:44:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:44:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:44:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:44:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:44:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:44:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:44:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:44:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:44:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:44:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:44:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:44:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:44:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:44:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:44:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:44:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:44:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:44:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:44:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:44:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:44:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:44:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:44:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:44:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:44:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 21:44:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:44:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:44:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:44:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:44:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:44:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:44:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:44:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:44:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:44:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:44:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:44:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:44:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:44:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:44:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:44:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:44:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:44:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:44:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:44:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:44:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:44:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:44:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:44:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:44:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:44:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:44:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:44:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:44:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-27 21:44:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 21:44:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:44:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:44:23,453 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:44:23,453 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:44:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:44:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:44:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:44:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:44:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:44:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:44:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:44:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:44:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:44:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:44:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:44:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:44:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:44:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:44:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:44:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:44:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:44:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:44:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:44:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:44:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:44:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:44:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:44:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:44:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:44:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:44:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:44:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:44:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:44:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:44:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:44:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:44:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:44:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:44:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:44:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:44:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:44:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:44:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:44:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 21:44:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:44:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:44:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:44:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:44:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-27 21:44:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:44:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:44:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 21:44:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:44:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:44:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:44:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:44:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:44:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:44:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:44:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:44:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:44:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:44:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:44:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:44:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 21:44:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:44:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:44:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:44:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:44:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:44:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:44:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:44:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:44:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:44:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:44:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:44:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:44:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:44:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:44:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:44:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:44:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:44:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:44:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:44:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:44:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:44:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:44:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:44:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:44:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:44:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:44:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:44:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:44:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:44:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:44:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:44:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:44:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:44:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:44:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:44:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:44:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:44:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:44:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:44:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:44:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:44:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:44:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:44:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:44:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:44:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:44:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:44:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:44:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:44:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:44:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:44:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:44:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:44:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:44:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:44:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:44:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:44:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:44:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:44:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:44:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:44:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:44:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:44:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:44:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-27 21:44:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 21:44:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:44:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:44:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:44:25,915 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:44:25,915 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:44:25,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:44:25 BoogieIcfgContainer [2020-10-27 21:44:25,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:44:25,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:44:25,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:44:25,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:44:25,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:44:22" (1/3) ... [2020-10-27 21:44:25,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38287f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:44:25, skipping insertion in model container [2020-10-27 21:44:25,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:44:23" (2/3) ... [2020-10-27 21:44:25,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38287f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:44:25, skipping insertion in model container [2020-10-27 21:44:25,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:44:25" (3/3) ... [2020-10-27 21:44:25,927 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product25.cil.c [2020-10-27 21:44:25,940 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:44:25,946 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:44:25,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:44:25,993 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:44:25,993 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:44:25,993 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:44:25,994 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:44:25,994 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:44:25,994 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:44:25,994 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:44:25,994 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:44:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states. [2020-10-27 21:44:26,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 21:44:26,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:44:26,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:44:26,052 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 21:44:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:44:26,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1702493643, now seen corresponding path program 1 times [2020-10-27 21:44:26,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:44:26,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761347418] [2020-10-27 21:44:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:44:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:26,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:26,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:27,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:29,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:31,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:31,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-27 21:44:31,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:44:31,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-27 21:44:31,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:31,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:44:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:31,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 21:44:33,741 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:44:33,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:44:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:33,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:33,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:33,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:44:33,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 21:44:33,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:33,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:33,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:44:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:33,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:33,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:33,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:44:33,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:33,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:33,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:44:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:33,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:33,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:33,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:44:33,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:33,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:33,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:33,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:33,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:33,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:33,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:33,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:44:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:33,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:33,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:33,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:44:33,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:33,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:33,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:44:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:33,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:33,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:34,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:35,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:38,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:38,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:44:38,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:44:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:44:38,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:44:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:44:38,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 21:44:38,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:38,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:44:39,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:44:39,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:44:39,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:44:39,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:44:39,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:44:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:39,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:44:39,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:44:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:44:39,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:44:39,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:44:39,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:44:39,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:44:39,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:44:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:44:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:44:39,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:44:39,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 21:44:39,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:44:39,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:44:39,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:44:39,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:44:39,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:44:39,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:44:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 21:44:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:44:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:44:39,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:44:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:44:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:44:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:44:39,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:44:39,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:44:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:39,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:44:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:44:39,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:44:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:44:39,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:44:39,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:44:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:44:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:44:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:44:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:44:39,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:44:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:44:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:44:39,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:44:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:39,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:44:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:44:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:44:39,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:44:39,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:44:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:44:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:44:39,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:44:39,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:44:39,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:44:39,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:44:39,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:44:39,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:44:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:44:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:44:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:44:39,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:44:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:44:39,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761347418] [2020-10-27 21:44:39,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:44:39,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 21:44:39,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086517470] [2020-10-27 21:44:39,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 21:44:39,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:44:39,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 21:44:39,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:44:39,902 INFO L87 Difference]: Start difference. First operand 587 states. Second operand 16 states. [2020-10-27 21:44:44,901 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 21:44:48,531 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 21:44:50,647 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 21:44:53,278 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 21:45:22,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:45:22,652 INFO L93 Difference]: Finished difference Result 1625 states and 2508 transitions. [2020-10-27 21:45:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 21:45:22,655 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 160 [2020-10-27 21:45:22,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:45:22,687 INFO L225 Difference]: With dead ends: 1625 [2020-10-27 21:45:22,687 INFO L226 Difference]: Without dead ends: 955 [2020-10-27 21:45:22,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1685 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=1042, Invalid=4070, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 21:45:22,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2020-10-27 21:45:23,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 569. [2020-10-27 21:45:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-10-27 21:45:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 772 transitions. [2020-10-27 21:45:23,123 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 772 transitions. Word has length 160 [2020-10-27 21:45:23,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:45:23,124 INFO L481 AbstractCegarLoop]: Abstraction has 569 states and 772 transitions. [2020-10-27 21:45:23,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 21:45:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 772 transitions. [2020-10-27 21:45:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 21:45:23,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:45:23,132 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, 1] [2020-10-27 21:45:23,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:45:23,133 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 21:45:23,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:45:23,133 INFO L82 PathProgramCache]: Analyzing trace with hash 183055773, now seen corresponding path program 1 times [2020-10-27 21:45:23,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:45:23,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752527605] [2020-10-27 21:45:23,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:45:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:23,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:23,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:23,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:23,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:23,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:24,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:24,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:28,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:28,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 21:45:28,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:45:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 21:45:28,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:28,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:45:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:45:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:45:28,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:30,371 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:45:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:45:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:30,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:30,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:45:30,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 21:45:30,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:30,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:45:30,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:45:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:30,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:30,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:30,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:45:30,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:30,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:45:30,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:30,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:30,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:30,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:30,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:30,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:45:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:30,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:30,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:30,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:45:30,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:30,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:45:30,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:30,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:30,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:45:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:30,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:30,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:30,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:45:30,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:30,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:30,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:45:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:30,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:30,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:30,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:30,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:31,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:31,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:32,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:45:35,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:45:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:45:35,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:45:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:45:35,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:45:35,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:45:35,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:45:35,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:45:35,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:45:35,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:35,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:35,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:35,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:35,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:35,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:45:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:35,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:35,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:45:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:45:35,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:45:35,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:45:35,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:45:35,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:35,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:35,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:35,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:35,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:35,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:45:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:35,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:35,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:45:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:45:35,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:45:35,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 21:45:35,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:45:35,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:45:35,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:45:35,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:45:35,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 21:45:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:45:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:45:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:35,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:35,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:45:35,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:45:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:45:35,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:35,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:45:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:35,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:35,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:45:35,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:45:35,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:45:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:45:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:45:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:45:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:45:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:45:36,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:45:36,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:45:36,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:36,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:36,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:36,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:45:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:36,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:45:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:45:36,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:45:36,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:45:36,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:45:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:36,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:36,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:45:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:45:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:36,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:36,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:36,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 21:45:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:36,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:36,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:45:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:36,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:36,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:45:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:45:36,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:45:36,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:45:36,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 21:45:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:45:36,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:45:36,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:45:36,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:45:36,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:45:36,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:45:36,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:45:36,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:45:36,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:45:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:45:36,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:45:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:45:36,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752527605] [2020-10-27 21:45:36,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:45:36,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:45:36,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660912215] [2020-10-27 21:45:36,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:45:36,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:45:36,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:45:36,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:45:36,316 INFO L87 Difference]: Start difference. First operand 569 states and 772 transitions. Second operand 19 states. [2020-10-27 21:45:41,209 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 21:45:44,077 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 21:45:47,952 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 21:45:51,352 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 21:46:15,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:46:15,500 INFO L93 Difference]: Finished difference Result 1472 states and 2158 transitions. [2020-10-27 21:46:15,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 21:46:15,502 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 162 [2020-10-27 21:46:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:46:15,513 INFO L225 Difference]: With dead ends: 1472 [2020-10-27 21:46:15,513 INFO L226 Difference]: Without dead ends: 971 [2020-10-27 21:46:15,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=347, Invalid=1375, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:46:15,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2020-10-27 21:46:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 578. [2020-10-27 21:46:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-10-27 21:46:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 784 transitions. [2020-10-27 21:46:15,810 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 784 transitions. Word has length 162 [2020-10-27 21:46:15,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:46:15,811 INFO L481 AbstractCegarLoop]: Abstraction has 578 states and 784 transitions. [2020-10-27 21:46:15,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:46:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 784 transitions. [2020-10-27 21:46:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-27 21:46:15,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:46:15,815 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] [2020-10-27 21:46:15,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:46:15,816 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 21:46:15,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:46:15,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1369193983, now seen corresponding path program 1 times [2020-10-27 21:46:15,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:46:15,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761703888] [2020-10-27 21:46:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:46:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:15,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:15,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:16,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:16,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:16,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:20,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:20,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-27 21:46:20,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:46:20,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 21:46:20,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:20,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:46:20,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:46:20,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:46:20,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:23,261 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:46:23,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:46:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:23,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:23,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:46:23,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 21:46:23,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:23,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:46:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:23,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:23,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:23,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:46:23,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:23,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:46:23,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:23,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:23,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:46:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:23,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:23,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:23,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:46:23,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:46:23,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:23,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:46:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:23,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:23,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:46:23,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:23,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:23,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:23,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:23,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:23,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:46:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:23,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:23,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:23,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:24,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:46:28,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:46:28,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:46:28,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:46:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:46:28,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:46:28,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:46:28,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:46:28,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:46:28,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:28,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:28,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:28,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:46:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:28,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:28,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:46:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:46:28,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:46:28,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:46:28,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:46:28,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:28,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:28,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:46:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:28,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:28,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:46:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:46:28,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:46:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 21:46:28,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:46:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:46:28,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:46:28,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:46:28,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:46:28,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:46:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:46:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:46:28,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:46:28,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:46:28,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:46:28,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:46:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:46:28,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:46:28,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:46:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:46:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 21:46:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:46:28,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:46:28,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:46:28,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:28,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:28,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:28,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:28,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:28,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:28,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:28,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:46:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:29,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:29,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:29,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:29,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:29,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:29,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:29,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:46:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:29,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:29,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:29,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:46:29,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:29,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:46:29,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:46:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:29,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:46:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:29,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:29,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:29,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:46:29,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:46:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:46:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:29,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:29,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:29,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:29,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:46:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:46:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:29,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:29,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:29,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:29,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:29,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:46:29,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:29,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:46:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:29,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:29,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:29,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:29,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:29,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:46:29,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:46:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:29,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:46:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:29,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:29,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:29,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:46:29,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:29,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:46:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 21:46:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:46:29,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:46:29,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:46:29,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:46:29,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:46:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:46:29,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:46:29,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:46:29,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:46:29,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:46:29,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:46:29,231 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 21:46:29,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761703888] [2020-10-27 21:46:29,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:46:29,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:46:29,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66342102] [2020-10-27 21:46:29,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:46:29,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:46:29,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:46:29,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:46:29,234 INFO L87 Difference]: Start difference. First operand 578 states and 784 transitions. Second operand 19 states. [2020-10-27 21:46:33,994 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 21:46:37,998 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 21:46:40,303 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 21:46:42,577 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 21:46:44,759 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 21:46:48,165 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 21:47:14,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:47:14,075 INFO L93 Difference]: Finished difference Result 1605 states and 2407 transitions. [2020-10-27 21:47:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 21:47:14,076 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 169 [2020-10-27 21:47:14,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:47:14,086 INFO L225 Difference]: With dead ends: 1605 [2020-10-27 21:47:14,086 INFO L226 Difference]: Without dead ends: 1093 [2020-10-27 21:47:14,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=596, Invalid=2266, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 21:47:14,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2020-10-27 21:47:14,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 620. [2020-10-27 21:47:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-27 21:47:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 855 transitions. [2020-10-27 21:47:14,381 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 855 transitions. Word has length 169 [2020-10-27 21:47:14,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:47:14,381 INFO L481 AbstractCegarLoop]: Abstraction has 620 states and 855 transitions. [2020-10-27 21:47:14,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:47:14,382 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 855 transitions. [2020-10-27 21:47:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-27 21:47:14,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:47:14,386 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:47:14,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:47:14,386 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 21:47:14,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:47:14,387 INFO L82 PathProgramCache]: Analyzing trace with hash -97922426, now seen corresponding path program 1 times [2020-10-27 21:47:14,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:47:14,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956159243] [2020-10-27 21:47:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:47:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:14,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:14,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:14,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:14,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:15,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:15,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:19,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:19,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 21:47:19,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:47:19,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 21:47:19,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:47:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:47:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:47:19,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:21,686 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:47:21,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:47:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:21,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:21,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:47:21,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:21,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 21:47:21,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:21,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:21,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:47:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:21,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:21,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:47:21,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:21,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:21,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:47:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:21,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:21,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:21,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:47:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:21,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:21,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:47:21,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:21,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:21,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:21,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:47:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:21,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:21,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:22,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:22,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:47:26,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:47:26,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:47:26,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:47:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:47:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:47:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:47:26,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:26,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:47:26,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:26,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:47:26,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:26,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:26,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:26,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:47:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:26,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:26,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:26,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:26,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:47:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:47:26,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:26,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:47:26,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:47:26,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:47:26,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:26,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:26,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:26,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:26,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:26,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:47:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:26,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:26,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:47:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:26,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:26,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:26,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:47:26,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:47:26,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 21:47:26,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:47:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:47:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:47:26,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:47:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:47:27,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:47:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:47:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:27,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:47:27,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:47:27,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:27,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:47:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:47:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:47:27,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:47:27,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:47:27,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:47:27,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:47:27,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:47:27,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 21:47:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:47:27,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:47:27,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:47:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:27,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:27,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:47:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:27,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:27,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 21:47:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:47:27,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:47:27,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:47:27,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:47:27,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:47:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:27,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:27,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:47:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 21:47:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:27,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:27,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:47:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 21:47:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:27,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:27,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:47:27,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 21:47:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:27,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:47:27,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:47:27,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:47:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:47:27,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:47:27,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:47:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 21:47:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:47:27,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:47:27,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:47:27,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:47:27,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:47:27,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:47:27,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:47:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:47:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:47:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:47:27,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:47:27,567 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 21:47:27,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956159243] [2020-10-27 21:47:27,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:47:27,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 21:47:27,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488657367] [2020-10-27 21:47:27,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 21:47:27,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:47:27,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 21:47:27,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:47:27,570 INFO L87 Difference]: Start difference. First operand 620 states and 855 transitions. Second operand 20 states. [2020-10-27 21:47:32,547 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 21:47:35,553 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 21:47:37,929 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:47:41,308 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 21:47:44,769 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 21:47:46,915 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 568