/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=SHALLOWEST --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_spec0_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:30:51,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:30:51,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:30:51,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:30:51,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:30:51,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:30:51,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:30:51,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:30:51,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:30:51,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:30:51,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:30:51,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:30:51,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:30:51,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:30:51,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:30:51,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:30:51,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:30:51,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:30:51,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:30:51,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:30:51,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:30:51,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:30:51,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:30:51,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:30:51,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:30:51,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:30:51,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:30:51,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:30:51,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:30:51,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:30:51,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:30:51,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:30:51,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:30:51,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:30:51,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:30:51,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:30:51,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:30:51,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:30:51,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:30:51,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:30:51,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:30:51,472 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 02:30:51,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:30:51,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:30:51,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:30:51,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:30:51,502 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:30:51,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:30:51,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:30:51,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:30:51,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:30:51,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:30:51,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:30:51,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:30:51,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:30:51,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:30:51,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:30:51,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:30:51,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:30:51,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:30:51,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:30:51,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:30:51,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:30:51,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:30:51,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:30:51,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:30:51,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:30:51,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:30:51,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:30:51,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:30:51,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:30:51,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:30:51,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:30:51,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:30:51,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:30:51,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:30:51,896 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:30:51,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product11.cil.c [2020-10-27 02:30:51,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7def55bb/61ff7667adc74e37bbc4799883b1cc3a/FLAG105a0b1f7 [2020-10-27 02:30:52,792 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:30:52,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec0_product11.cil.c [2020-10-27 02:30:52,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7def55bb/61ff7667adc74e37bbc4799883b1cc3a/FLAG105a0b1f7 [2020-10-27 02:30:52,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7def55bb/61ff7667adc74e37bbc4799883b1cc3a [2020-10-27 02:30:52,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:30:52,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:30:52,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:30:52,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:30:52,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:30:52,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:30:52" (1/1) ... [2020-10-27 02:30:52,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761a363d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:52, skipping insertion in model container [2020-10-27 02:30:52,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:30:52" (1/1) ... [2020-10-27 02:30:52,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:30:53,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:30:53,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:30:53,905 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:30:54,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:30:54,199 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:30:54,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54 WrapperNode [2020-10-27 02:30:54,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:30:54,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:30:54,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:30:54,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:30:54,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (1/1) ... [2020-10-27 02:30:54,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (1/1) ... [2020-10-27 02:30:54,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (1/1) ... [2020-10-27 02:30:54,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (1/1) ... [2020-10-27 02:30:54,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (1/1) ... [2020-10-27 02:30:54,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (1/1) ... [2020-10-27 02:30:54,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (1/1) ... [2020-10-27 02:30:54,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:30:54,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:30:54,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:30:54,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:30:54,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (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 02:30:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:30:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:30:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:30:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:30:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 02:30:54,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 02:30:54,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 02:30:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 02:30:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 02:30:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 02:30:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 02:30:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 02:30:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 02:30:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 02:30:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 02:30:54,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 02:30:54,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 02:30:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 02:30:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 02:30:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 02:30:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 02:30:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 02:30:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 02:30:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 02:30:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 02:30:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:30:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:30:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:30:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:30:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 02:30:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 02:30:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 02:30:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 02:30:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 02:30:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 02:30:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 02:30:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 02:30:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 02:30:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 02:30:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 02:30:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 02:30:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:30:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:30:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 02:30:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 02:30:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 02:30:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 02:30:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 02:30:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 02:30:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 02:30:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 02:30:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 02:30:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 02:30:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2020-10-27 02:30:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:30:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:30:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:30:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:30:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:30:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:30:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:30:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 02:30:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 02:30:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 02:30:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-27 02:30:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 02:30:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 02:30:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 02:30:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 02:30:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 02:30:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 02:30:54,501 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 02:30:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 02:30:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 02:30:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 02:30:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 02:30:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 02:30:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 02:30:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 02:30:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 02:30:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 02:30:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 02:30:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 02:30:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 02:30:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 02:30:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 02:30:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 02:30:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 02:30:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 02:30:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 02:30:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 02:30:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 02:30:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 02:30:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 02:30:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 02:30:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 02:30:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 02:30:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 02:30:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 02:30:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 02:30:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 02:30:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 02:30:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 02:30:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 02:30:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:30:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 02:30:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:30:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:30:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:30:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:30:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:30:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 02:30:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 02:30:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 02:30:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 02:30:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 02:30:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 02:30:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 02:30:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 02:30:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 02:30:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 02:30:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 02:30:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 02:30:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 02:30:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 02:30:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 02:30:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 02:30:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 02:30:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 02:30:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 02:30:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 02:30:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 02:30:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:30:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:30:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:30:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:30:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:30:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 02:30:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 02:30:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 02:30:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 02:30:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 02:30:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 02:30:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 02:30:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 02:30:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 02:30:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 02:30:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 02:30:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 02:30:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 02:30:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 02:30:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 02:30:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 02:30:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:30:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:30:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:30:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 02:30:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 02:30:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 02:30:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 02:30:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 02:30:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 02:30:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 02:30:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 02:30:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 02:30:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 02:30:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 02:30:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 02:30:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 02:30:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:30:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2020-10-27 02:30:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:30:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:30:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:30:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:30:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:30:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:30:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:30:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:30:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:30:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:30:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:30:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:30:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:30:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:30:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:30:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 02:30:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 02:30:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 02:30:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 02:30:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 02:30:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 02:30:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 02:30:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 02:30:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 02:30:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 02:30:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:30:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:30:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:30:56,596 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:30:56,596 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:30:56,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:30:56 BoogieIcfgContainer [2020-10-27 02:30:56,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:30:56,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:30:56,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:30:56,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:30:56,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:30:52" (1/3) ... [2020-10-27 02:30:56,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43707aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:30:56, skipping insertion in model container [2020-10-27 02:30:56,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:30:54" (2/3) ... [2020-10-27 02:30:56,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43707aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:30:56, skipping insertion in model container [2020-10-27 02:30:56,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:30:56" (3/3) ... [2020-10-27 02:30:56,609 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product11.cil.c [2020-10-27 02:30:56,623 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:30:56,629 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:30:56,644 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:30:56,679 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:30:56,679 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:30:56,679 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:30:56,680 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:30:56,680 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:30:56,680 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:30:56,680 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:30:56,680 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:30:56,709 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2020-10-27 02:30:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 02:30:56,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:30:56,732 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-27 02:30:56,733 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 02:30:56,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:30:56,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1078203308, now seen corresponding path program 1 times [2020-10-27 02:30:56,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:30:56,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639343505] [2020-10-27 02:30:56,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:30:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:57,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:57,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:57,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:58,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:58,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:02,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:02,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 02:31:02,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:31:02,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-27 02:31:02,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:31:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:31:02,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:31:02,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:31:04,413 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:31:04,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:31:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:04,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:04,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 02:31:04,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:31:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:31:04,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:04,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:04,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:31:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:31:04,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:04,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:31:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:04,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:04,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:04,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:04,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:31:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:09,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:09,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:31:09,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:31:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:31:09,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:31:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:31:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:31:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:09,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:09,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:09,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:31:09,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:31:09,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:09,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:09,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:09,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:09,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:09,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:31:09,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:09,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:09,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:09,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:09,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:09,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:09,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:09,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:09,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:09,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:09,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:09,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:09,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:09,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:31:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:09,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:09,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:09,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:09,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:09,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:09,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:09,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:31:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:09,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:09,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:09,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:31:09,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:31:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-27 02:31:09,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:31:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:31:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:31:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:31:10,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:31:10,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:31:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:31:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:31:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:31:10,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:31:10,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:31:10,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:31:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:31:10,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:10,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:31:10,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:31:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:31:10,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:31:10,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:31:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:31:10,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:10,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:10,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:31:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:10,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 02:31:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:31:10,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:31:10,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:31:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:10,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:31:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:10,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:31:10,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:31:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:10,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:10,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 02:31:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:10,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:10,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 02:31:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:10,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 02:31:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:31:10,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:31:10,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:31:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:31:10,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:10,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:10,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 02:31:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:10,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:10,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 02:31:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:10,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:10,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 02:31:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:10,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:10,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:10,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:10,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:10,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:31:10,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:10,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:31:10,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639343505] [2020-10-27 02:31:10,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:31:10,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 02:31:10,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928217991] [2020-10-27 02:31:10,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 02:31:10,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:31:10,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 02:31:10,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 02:31:10,605 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 17 states. [2020-10-27 02:31:14,184 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 02:31:17,047 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-27 02:31:19,025 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:31:21,048 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:31:23,058 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:31:39,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:31:39,588 INFO L93 Difference]: Finished difference Result 1078 states and 1595 transitions. [2020-10-27 02:31:39,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-27 02:31:39,591 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 158 [2020-10-27 02:31:39,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:31:39,616 INFO L225 Difference]: With dead ends: 1078 [2020-10-27 02:31:39,617 INFO L226 Difference]: Without dead ends: 651 [2020-10-27 02:31:39,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 02:31:39,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-10-27 02:31:39,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 378. [2020-10-27 02:31:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-10-27 02:31:39,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 495 transitions. [2020-10-27 02:31:40,000 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 495 transitions. Word has length 158 [2020-10-27 02:31:40,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:31:40,000 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 495 transitions. [2020-10-27 02:31:40,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 02:31:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 495 transitions. [2020-10-27 02:31:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 02:31:40,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:31:40,021 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:31:40,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:31:40,021 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 02:31:40,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:31:40,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1443194499, now seen corresponding path program 1 times [2020-10-27 02:31:40,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:31:40,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393813272] [2020-10-27 02:31:40,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:31:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:40,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:40,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:40,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:40,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:40,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:45,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:45,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 02:31:45,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:31:45,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 02:31:45,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:31:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:31:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:31:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:47,129 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:31:47,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:31:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:47,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:47,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:47,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:47,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 02:31:47,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:47,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:47,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:31:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:47,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:47,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:31:47,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:31:47,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:47,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:31:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:47,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:47,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:47,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:31:47,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:47,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:31:47,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:47,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:47,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:31:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:47,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:47,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:47,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:47,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:47,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:31:47,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:47,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:47,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:31:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:47,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:47,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:47,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:47,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:47,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 02:31:52,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:31:52,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:31:52,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:31:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:31:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:31:52,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:31:52,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:31:52,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:31:52,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:52,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:31:52,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:52,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:52,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:31:52,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:31:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:52,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:52,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:31:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 02:31:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:31:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-27 02:31:52,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:31:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:31:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:31:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:31:52,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:31:52,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:31:52,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:31:52,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:31:52,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:52,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:31:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:52,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:31:52,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:31:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:31:52,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:31:52,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 02:31:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:31:52,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:31:52,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:31:52,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:31:52,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:31:52,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:52,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:52,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:31:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:52,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:52,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 02:31:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:31:52,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:31:52,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:31:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:52,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:52,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:52,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:52,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:52,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:52,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:52,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:52,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:52,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:52,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:52,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:31:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:53,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:53,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:31:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:53,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:53,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:53,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 02:31:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:53,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:53,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:31:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:53,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:53,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 02:31:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:31:53,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:53,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:31:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:53,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:53,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 02:31:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:53,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:53,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 02:31:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:53,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:53,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:31:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 02:31:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:53,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:53,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:53,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:53,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:53,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:31:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:31:53,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393813272] [2020-10-27 02:31:53,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:31:53,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 02:31:53,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639997605] [2020-10-27 02:31:53,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:31:53,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:31:53,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:31:53,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:31:53,169 INFO L87 Difference]: Start difference. First operand 378 states and 495 transitions. Second operand 15 states. [2020-10-27 02:31:56,770 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 02:31:59,005 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-27 02:32:00,960 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:32:03,332 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:32:17,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:32:17,085 INFO L93 Difference]: Finished difference Result 982 states and 1403 transitions. [2020-10-27 02:32:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 02:32:17,086 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 160 [2020-10-27 02:32:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:32:17,103 INFO L225 Difference]: With dead ends: 982 [2020-10-27 02:32:17,104 INFO L226 Difference]: Without dead ends: 653 [2020-10-27 02:32:17,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=343, Invalid=1139, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 02:32:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-10-27 02:32:17,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 380. [2020-10-27 02:32:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-10-27 02:32:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 498 transitions. [2020-10-27 02:32:17,356 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 498 transitions. Word has length 160 [2020-10-27 02:32:17,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:32:17,356 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 498 transitions. [2020-10-27 02:32:17,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 02:32:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 498 transitions. [2020-10-27 02:32:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 02:32:17,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:32:17,361 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:32:17,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:32:17,361 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 02:32:17,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:32:17,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1484116561, now seen corresponding path program 1 times [2020-10-27 02:32:17,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:32:17,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063928965] [2020-10-27 02:32:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:32:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:17,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:20,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:22,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:22,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-27 02:32:22,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:32:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 02:32:22,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:22,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 02:32:22,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:32:22,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-27 02:32:22,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:24,648 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:32:24,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:32:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:24,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:24,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:24,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:24,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 02:32:24,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:24,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:32:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:24,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:24,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:24,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:32:24,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:32:24,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:32:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:24,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:24,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:24,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:32:24,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:32:24,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:24,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:32:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:24,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:24,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:24,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:24,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:32:24,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:24,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:24,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:32:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:24,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:24,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:24,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:26,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:29,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:29,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 02:32:29,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:32:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:32:29,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 02:32:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:29,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:29,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:29,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:29,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:32:29,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:29,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:32:29,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:29,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:29,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:29,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:29,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:32:29,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:29,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:29,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:29,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:29,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:29,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:29,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:29,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:29,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:29,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:29,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:29,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:29,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:29,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:29,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:29,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:32:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:29,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:29,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:29,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:29,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:29,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:29,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:29,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:29,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:32:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:29,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:29,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 02:32:30,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:32:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 02:32:30,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:32:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:32:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:32:30,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:32:30,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:30,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:32:30,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:32:30,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:30,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:30,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:32:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:32:30,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:32:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:32:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:32:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:32:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:32:30,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:32:30,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:32:30,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:32:30,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:32:30,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:30,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:30,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:32:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:30,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 02:32:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:32:30,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:32:30,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:32:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:32:30,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:32:30,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:32:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:32:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:32:30,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:32:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:32:30,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:32:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:32:30,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:32:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 02:32:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:32:30,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:32:30,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:32:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:32:30,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:32:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:32:30,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 02:32:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:32:30,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:32:30,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:32:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:32:30,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:32:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:30,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:32:30,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:32:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 02:32:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:32:30,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:32:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:32:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:32:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 02:32:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:32:30,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:32:30,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:32:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:30,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:32:30,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 02:32:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:32:30,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:32:30,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:32:30,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:32:30,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:32:30,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:32:30,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:32:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:32:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:32:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:32:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:32:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 02:32:30,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063928965] [2020-10-27 02:32:30,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:32:30,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 02:32:30,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768610345] [2020-10-27 02:32:30,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 02:32:30,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:32:30,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 02:32:30,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2020-10-27 02:32:30,827 INFO L87 Difference]: Start difference. First operand 380 states and 498 transitions. Second operand 29 states. [2020-10-27 02:32:36,042 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 02:32:38,799 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-27 02:32:40,877 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:32:43,561 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:32:48,730 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 02:32:51,023 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:32:53,439 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:32:57,311 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:33:02,136 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 02:33:07,225 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:33:09,581 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:33:11,865 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:33:14,044 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:33:16,234 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-27 02:33:18,742 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:33:20,834 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-27 02:33:23,375 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:33:28,436 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 02:33:37,255 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:33:39,273 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-27 02:33:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:33:45,514 INFO L93 Difference]: Finished difference Result 976 states and 1367 transitions. [2020-10-27 02:33:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-27 02:33:45,515 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 161 [2020-10-27 02:33:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:33:45,523 INFO L225 Difference]: With dead ends: 976 [2020-10-27 02:33:45,523 INFO L226 Difference]: Without dead ends: 857 [2020-10-27 02:33:45,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1981 ImplicationChecksByTransitivity, 47.0s TimeCoverageRelationStatistics Valid=1198, Invalid=7358, Unknown=0, NotChecked=0, Total=8556 [2020-10-27 02:33:45,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-10-27 02:33:45,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 531. [2020-10-27 02:33:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-10-27 02:33:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 684 transitions. [2020-10-27 02:33:45,819 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 684 transitions. Word has length 161 [2020-10-27 02:33:45,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:33:45,820 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 684 transitions. [2020-10-27 02:33:45,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 02:33:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 684 transitions. [2020-10-27 02:33:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 02:33:45,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:33:45,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:33:45,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:33:45,826 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 02:33:45,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:33:45,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1721582773, now seen corresponding path program 1 times [2020-10-27 02:33:45,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:33:45,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387571319] [2020-10-27 02:33:45,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:33:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:45,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:45,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:46,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:46,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:50,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:50,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-27 02:33:50,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:33:50,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 02:33:50,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:50,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:33:50,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 02:33:50,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:33:50,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:52,882 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:33:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:33:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:52,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:52,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:52,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:33:52,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:52,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:33:52,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:52,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:33:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:52,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:52,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:52,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:33:52,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:33:52,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:52,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:33:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:52,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:52,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:52,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:33:52,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:52,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:33:52,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:52,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:52,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:52,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:33:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:52,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:52,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:52,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:33:52,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:52,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:33:52,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:52,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:52,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:33:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 02:33:53,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:33:53,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-27 02:33:53,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:33:53,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 02:33:53,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:33:53,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:33:53,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:33:53,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:33:53,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:33:53,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:33:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:33:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 02:33:53,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:33:53,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:33:53,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:33:53,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:33:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:33:53,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:33:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:33:53,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:33:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 02:33:53,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:33:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:33:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:33:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:33:53,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:33:53,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:33:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:33:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:33:53,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:33:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:33:53,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:33:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:33:53,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:33:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:33:53,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 02:33:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:33:53,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:33:53,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:33:53,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:33:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:33:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:33:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 02:33:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:33:53,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:33:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:33:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:33:53,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:33:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 02:33:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:33:53,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:33:53,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:33:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:33:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:33:53,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:33:53,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:33:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 02:33:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:33:53,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 02:33:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:33:53,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:33:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 02:33:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:33:53,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:33:53,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:33:53,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:33:53,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:33:53,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:33:53,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:33:53,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:33:53,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:33:53,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:33:53,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:33:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:33:53,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387571319] [2020-10-27 02:33:53,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:33:53,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 02:33:53,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795558890] [2020-10-27 02:33:53,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 02:33:53,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:33:53,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 02:33:53,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 02:33:53,953 INFO L87 Difference]: Start difference. First operand 531 states and 684 transitions. Second operand 17 states. [2020-10-27 02:33:57,462 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 02:34:00,877 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-27 02:34:02,871 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:34:04,873 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:34:06,901 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:34:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:34:23,221 INFO L93 Difference]: Finished difference Result 1323 states and 1824 transitions. [2020-10-27 02:34:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 02:34:23,222 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 162 [2020-10-27 02:34:23,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:34:23,229 INFO L225 Difference]: With dead ends: 1323 [2020-10-27 02:34:23,229 INFO L226 Difference]: Without dead ends: 851 [2020-10-27 02:34:23,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 02:34:23,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2020-10-27 02:34:23,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 541. [2020-10-27 02:34:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-27 02:34:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 695 transitions. [2020-10-27 02:34:23,441 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 695 transitions. Word has length 162 [2020-10-27 02:34:23,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:34:23,442 INFO L481 AbstractCegarLoop]: Abstraction has 541 states and 695 transitions. [2020-10-27 02:34:23,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 02:34:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 695 transitions. [2020-10-27 02:34:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 02:34:23,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:34:23,446 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:34:23,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 02:34:23,447 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:34:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:34:23,447 INFO L82 PathProgramCache]: Analyzing trace with hash -201339291, now seen corresponding path program 2 times [2020-10-27 02:34:23,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:34:23,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379049059] [2020-10-27 02:34:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:34:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:34:23,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:34:23,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:34:23,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:34:23,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:34:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:34:23,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:34:25,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:34:28,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:34:28,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-27 02:34:28,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:34:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 02:34:28,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:34:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:34:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 02:34:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:34:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0