/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_spec7_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:06:28,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:06:28,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:06:28,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:06:28,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:06:28,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:06:28,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:06:28,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:06:28,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:06:28,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:06:28,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:06:28,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:06:28,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:06:28,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:06:28,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:06:28,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:06:28,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:06:28,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:06:28,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:06:28,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:06:28,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:06:28,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:06:28,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:06:28,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:06:28,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:06:28,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:06:28,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:06:28,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:06:28,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:06:28,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:06:28,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:06:28,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:06:28,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:06:28,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:06:28,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:06:28,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:06:28,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:06:28,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:06:28,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:06:28,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:06:28,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:06:28,995 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 03:06:29,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:06:29,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:06:29,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:06:29,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:06:29,024 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:06:29,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:06:29,025 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:06:29,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:06:29,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:06:29,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:06:29,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:06:29,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:06:29,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:06:29,026 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:06:29,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:06:29,026 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:06:29,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:06:29,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:06:29,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:06:29,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:06:29,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:06:29,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:06:29,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:06:29,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:06:29,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:06:29,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:06:29,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:06:29,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:06:29,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:06:29,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:06:29,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:06:29,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:06:29,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:06:29,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:06:29,420 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:06:29,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2020-10-27 03:06:29,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ca88ffeb/997626c921ef401396360e3a47ca5502/FLAG4bd5635bc [2020-10-27 03:06:30,387 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:06:30,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2020-10-27 03:06:30,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ca88ffeb/997626c921ef401396360e3a47ca5502/FLAG4bd5635bc [2020-10-27 03:06:30,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6ca88ffeb/997626c921ef401396360e3a47ca5502 [2020-10-27 03:06:30,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:06:30,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:06:30,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:06:30,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:06:30,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:06:30,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:06:30" (1/1) ... [2020-10-27 03:06:30,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cbff4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:30, skipping insertion in model container [2020-10-27 03:06:30,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:06:30" (1/1) ... [2020-10-27 03:06:30,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:06:30,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:06:31,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:06:31,310 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:06:31,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:06:31,605 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:06:31,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31 WrapperNode [2020-10-27 03:06:31,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:06:31,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:06:31,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:06:31,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:06:31,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (1/1) ... [2020-10-27 03:06:31,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (1/1) ... [2020-10-27 03:06:31,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (1/1) ... [2020-10-27 03:06:31,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (1/1) ... [2020-10-27 03:06:31,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (1/1) ... [2020-10-27 03:06:31,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (1/1) ... [2020-10-27 03:06:31,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (1/1) ... [2020-10-27 03:06:31,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:06:31,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:06:31,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:06:31,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:06:31,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (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 03:06:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:06:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:06:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:06:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:06:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 03:06:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 03:06:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 03:06:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 03:06:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 03:06:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 03:06:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 03:06:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 03:06:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 03:06:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 03:06:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 03:06:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 03:06:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 03:06:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 03:06:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 03:06:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 03:06:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 03:06:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 03:06:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 03:06:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 03:06:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 03:06:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 03:06:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 03:06:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:06:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:06:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:06:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:06:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:06:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:06:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:06:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:06:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:06:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:06:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:06:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 03:06:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 03:06:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 03:06:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 03:06:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 03:06:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 03:06:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 03:06:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 03:06:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 03:06:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 03:06:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 03:06:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 03:06:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 03:06:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 03:06:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 03:06:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 03:06:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 03:06:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 03:06:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 03:06:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 03:06:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 03:06:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 03:06:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 03:06:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 03:06:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 03:06:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 03:06:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 03:06:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 03:06:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 03:06:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 03:06:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 03:06:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 03:06:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:06:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:06:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 03:06:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 03:06:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 03:06:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 03:06:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 03:06:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 03:06:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 03:06:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 03:06:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 03:06:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 03:06:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:06:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 03:06:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 03:06:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 03:06:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 03:06:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 03:06:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 03:06:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 03:06:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 03:06:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 03:06:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 03:06:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 03:06:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 03:06:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 03:06:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 03:06:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 03:06:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 03:06:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 03:06:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 03:06:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 03:06:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 03:06:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 03:06:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 03:06:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 03:06:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 03:06:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 03:06:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 03:06:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 03:06:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 03:06:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 03:06:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:06:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:06:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:06:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:06:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:06:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:06:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 03:06:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-27 03:06:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:06:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 03:06:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 03:06:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 03:06:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 03:06:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 03:06:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 03:06:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 03:06:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 03:06:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 03:06:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 03:06:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 03:06:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 03:06:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 03:06:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 03:06:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 03:06:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 03:06:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 03:06:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 03:06:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 03:06:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 03:06:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 03:06:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 03:06:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:06:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:06:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:06:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:06:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:06:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:06:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:06:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:06:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:06:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:06:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:06:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:06:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:06:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:06:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:06:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:06:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:06:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:06:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:06:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 03:06:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 03:06:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 03:06:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 03:06:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 03:06:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 03:06:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 03:06:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 03:06:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 03:06:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:06:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 03:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 03:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 03:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 03:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 03:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 03:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 03:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 03:06:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 03:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 03:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 03:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 03:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 03:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 03:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 03:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 03:06:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 03:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 03:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 03:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 03:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 03:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 03:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 03:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 03:06:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 03:06:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 03:06:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 03:06:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 03:06:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 03:06:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 03:06:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 03:06:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 03:06:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 03:06:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 03:06:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 03:06:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 03:06:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 03:06:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 03:06:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 03:06:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 03:06:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 03:06:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:06:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:06:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 03:06:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 03:06:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 03:06:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 03:06:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 03:06:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 03:06:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 03:06:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 03:06:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 03:06:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 03:06:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 03:06:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 03:06:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 03:06:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 03:06:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 03:06:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 03:06:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 03:06:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 03:06:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 03:06:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 03:06:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 03:06:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:06:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:06:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:06:34,970 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:06:34,970 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 03:06:34,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:06:34 BoogieIcfgContainer [2020-10-27 03:06:34,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:06:34,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:06:34,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:06:34,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:06:34,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:06:30" (1/3) ... [2020-10-27 03:06:34,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71897fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:06:34, skipping insertion in model container [2020-10-27 03:06:34,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:06:31" (2/3) ... [2020-10-27 03:06:34,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71897fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:06:34, skipping insertion in model container [2020-10-27 03:06:34,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:06:34" (3/3) ... [2020-10-27 03:06:34,988 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2020-10-27 03:06:35,002 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:06:35,009 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:06:35,037 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:06:35,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:06:35,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:06:35,081 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:06:35,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:06:35,082 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:06:35,085 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:06:35,085 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:06:35,086 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:06:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states. [2020-10-27 03:06:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 03:06:35,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:06:35,167 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:06:35,168 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 03:06:35,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:06:35,177 INFO L82 PathProgramCache]: Analyzing trace with hash 2116152778, now seen corresponding path program 1 times [2020-10-27 03:06:35,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:06:35,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225011759] [2020-10-27 03:06:35,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:06:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:35,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:35,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:36,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:36,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:36,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:40,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:40,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:40,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 03:06:40,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:06:40,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 03:06:40,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:06:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:06:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:06:40,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:06:44,745 WARN L193 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 03:06:44,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:06:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:44,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:44,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:44,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:44,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:44,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 03:06:44,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:44,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:44,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:44,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:44,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:06:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:44,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:44,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:44,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:06:44,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:44,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:44,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:44,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:44,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:44,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:44,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:44,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:06:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:44,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:44,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:44,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:06:44,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:44,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:44,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:06:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:44,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:44,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:44,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:44,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:44,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:06:44,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:44,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:44,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:44,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:44,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:45,063 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-27 03:06:45,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:06:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:45,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:45,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:45,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:45,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 03:06:50,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:06:50,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:06:50,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:06:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:06:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:06:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:50,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:06:50,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:50,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:06:50,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:50,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:06:50,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:06:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:50,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:50,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:06:50,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:06:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:50,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:06:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 03:06:50,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:06:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:06:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:06:50,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:50,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 03:06:50,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:06:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:06:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 03:06:50,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:50,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:06:50,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:50,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:06:50,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:06:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:06:50,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:06:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:06:50,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:06:50,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:06:50,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:06:50,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:06:50,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:50,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:06:50,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:06:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:50,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:50,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 03:06:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:06:50,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:06:50,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:06:50,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:50,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:50,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:50,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:50,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:06:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:50,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:50,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:50,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:50,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:51,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:51,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:51,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:51,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 03:06:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:51,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:51,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:51,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:06:51,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:51,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:06:51,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:06:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:51,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:06:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:51,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:51,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:51,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:51,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:51,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:51,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:06:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:51,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:51,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 03:06:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:51,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:51,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:51,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:51,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:51,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:51,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:51,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:51,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 03:06:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:51,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:51,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:51,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:51,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:51,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:51,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:51,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:51,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:51,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:51,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:06:51,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 03:06:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:51,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:51,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:51,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:06:51,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:51,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:06:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:51,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:51,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 03:06:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:06:51,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:06:51,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:06:51,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:06:51,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:06:51,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:06:51,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:06:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:06:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:06:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:06:51,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:06:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:06:51,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225011759] [2020-10-27 03:06:51,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:06:51,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 03:06:51,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665987699] [2020-10-27 03:06:51,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:06:51,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:06:51,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:06:51,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:06:51,254 INFO L87 Difference]: Start difference. First operand 494 states. Second operand 16 states. [2020-10-27 03:06:56,649 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 03:07:02,035 WARN L193 SmtUtils]: Spent 3.99 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 03:07:06,872 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 03:07:51,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:07:51,116 INFO L93 Difference]: Finished difference Result 1408 states and 2132 transitions. [2020-10-27 03:07:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-27 03:07:51,120 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2020-10-27 03:07:51,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:07:51,153 INFO L225 Difference]: With dead ends: 1408 [2020-10-27 03:07:51,154 INFO L226 Difference]: Without dead ends: 810 [2020-10-27 03:07:51,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1345 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=924, Invalid=3236, Unknown=0, NotChecked=0, Total=4160 [2020-10-27 03:07:51,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-10-27 03:07:51,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 470. [2020-10-27 03:07:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-27 03:07:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 620 transitions. [2020-10-27 03:07:51,606 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 620 transitions. Word has length 151 [2020-10-27 03:07:51,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:07:51,608 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 620 transitions. [2020-10-27 03:07:51,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 03:07:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 620 transitions. [2020-10-27 03:07:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 03:07:51,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:07:51,623 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:07:51,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:07:51,624 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 03:07:51,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:07:51,626 INFO L82 PathProgramCache]: Analyzing trace with hash -515129749, now seen corresponding path program 1 times [2020-10-27 03:07:51,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:07:51,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000314022] [2020-10-27 03:07:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:07:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:07:51,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:51,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:51,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:52,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:54,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:07:56,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:07:56,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 03:07:56,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:07:56,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-27 03:07:56,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:07:56,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:07:56,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:07:56,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:07:56,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:00,822 WARN L193 SmtUtils]: Spent 3.97 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 03:08:00,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:08:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:00,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:00,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:00,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:00,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:00,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 03:08:00,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:00,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:00,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:00,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:00,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:00,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:08:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:00,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:00,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:00,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:08:00,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:00,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:00,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:00,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:00,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:00,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:08:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:00,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:00,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:00,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:08:00,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:00,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:00,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:00,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:00,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:00,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:08:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:00,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:00,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:00,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:00,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:00,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:00,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:01,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:08:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:01,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:01,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:01,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:01,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:01,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:08:06,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:08:06,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 03:08:06,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:08:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:08:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:08:06,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:08:06,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:08:06,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:08:06,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:08:06,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:08:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:08:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:08:06,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:08:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 03:08:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:08:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:08:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:08:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:08:06,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:08:06,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:08:06,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:08:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:08:06,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:08:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:08:06,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:08:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:08:06,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:08:06,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:08:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:08:06,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:08:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:08:06,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:08:06,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:08:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:08:06,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:08:06,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:08:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 03:08:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:08:06,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:08:06,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:08:06,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:08:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:08:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:08:06,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:08:06,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:08:06,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:08:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:08:06,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:08:06,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 03:08:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 03:08:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 03:08:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:08:06,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:08:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 03:08:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:08:06,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:08:06,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:08:06,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:08:06,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:08:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:08:06,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:08:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:08:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:08:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:08:06,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:08:06,897 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:08:06,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000314022] [2020-10-27 03:08:06,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:08:06,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 03:08:06,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5050535] [2020-10-27 03:08:06,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:08:06,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:08:06,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:08:06,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:08:06,901 INFO L87 Difference]: Start difference. First operand 470 states and 620 transitions. Second operand 18 states. [2020-10-27 03:08:12,531 WARN L193 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 03:08:17,996 WARN L193 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-27 03:08:22,100 WARN L193 SmtUtils]: Spent 3.95 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 03:08:26,196 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 03:08:30,190 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 03:09:04,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:09:04,275 INFO L93 Difference]: Finished difference Result 1268 states and 1791 transitions. [2020-10-27 03:09:04,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 03:09:04,276 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 153 [2020-10-27 03:09:04,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:09:04,289 INFO L225 Difference]: With dead ends: 1268 [2020-10-27 03:09:04,289 INFO L226 Difference]: Without dead ends: 832 [2020-10-27 03:09:04,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 26.5s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:09:04,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-10-27 03:09:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 484. [2020-10-27 03:09:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-27 03:09:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 637 transitions. [2020-10-27 03:09:04,521 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 637 transitions. Word has length 153 [2020-10-27 03:09:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:09:04,522 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 637 transitions. [2020-10-27 03:09:04,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:09:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 637 transitions. [2020-10-27 03:09:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 03:09:04,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:09:04,526 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:09:04,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:09:04,526 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 03:09:04,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:09:04,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1502412893, now seen corresponding path program 1 times [2020-10-27 03:09:04,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:09:04,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490131006] [2020-10-27 03:09:04,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:09:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:04,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:04,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:04,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:05,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:09,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:09,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 03:09:09,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:09:09,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:09:09,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:09:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:09:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:09:09,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:13,624 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 03:09:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:09:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:13,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:13,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 03:09:13,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:09:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:13,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:13,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:13,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:09:13,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:13,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:13,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:13,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:13,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:13,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:09:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:13,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:13,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:13,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:09:13,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:09:13,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:13,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:09:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:13,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:13,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:13,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:09:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:13,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:13,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 03:09:14,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:09:14,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-10-27 03:09:14,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:09:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:09:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:09:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:09:14,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:14,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:09:14,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:14,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:14,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:09:14,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:09:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:14,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:14,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:09:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:09:14,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:14,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:09:14,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:14,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:09:14,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:14,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:09:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:09:14,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:14,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:09:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:09:14,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:09:14,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-27 03:09:14,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:09:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:09:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:09:14,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:09:14,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:09:14,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:09:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:09:14,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:14,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:14,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:09:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:09:14,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:09:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:14,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:09:14,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:09:14,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:09:14,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 03:09:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:09:14,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:14,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:09:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:14,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:14,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:14,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:14,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:14,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:14,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:14,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:14,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:14,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:14,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:09:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:15,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:15,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:09:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:09:15,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:09:15,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:09:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:09:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:15,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:15,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:09:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:09:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:15,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:15,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 03:09:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:15,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:09:15,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 03:09:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:09:15,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:15,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:09:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 03:09:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:09:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:09:15,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:09:15,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:09:15,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:09:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:09:15,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:09:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:09:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:09:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:09:15,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:09:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:09:15,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490131006] [2020-10-27 03:09:15,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:09:15,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 03:09:15,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960365777] [2020-10-27 03:09:15,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:09:15,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:09:15,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:09:15,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:09:15,231 INFO L87 Difference]: Start difference. First operand 484 states and 637 transitions. Second operand 18 states. [2020-10-27 03:09:21,007 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 03:09:26,925 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-27 03:09:30,926 WARN L193 SmtUtils]: Spent 3.95 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 03:09:34,927 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 03:09:38,987 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 03:10:09,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:10:09,766 INFO L93 Difference]: Finished difference Result 1269 states and 1786 transitions. [2020-10-27 03:10:09,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 03:10:09,769 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 154 [2020-10-27 03:10:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:10:09,776 INFO L225 Difference]: With dead ends: 1269 [2020-10-27 03:10:09,776 INFO L226 Difference]: Without dead ends: 844 [2020-10-27 03:10:09,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:10:09,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-10-27 03:10:09,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 494. [2020-10-27 03:10:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-10-27 03:10:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 648 transitions. [2020-10-27 03:10:09,962 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 648 transitions. Word has length 154 [2020-10-27 03:10:09,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:10:09,963 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 648 transitions. [2020-10-27 03:10:09,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:10:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 648 transitions. [2020-10-27 03:10:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 03:10:09,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:10:09,966 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:10:09,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:10:09,967 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 03:10:09,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:10:09,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1735729777, now seen corresponding path program 2 times [2020-10-27 03:10:09,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:10:09,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602569782] [2020-10-27 03:10:09,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:10:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:10,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:10,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:10,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:10,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:11,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:11,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:15,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:15,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 03:10:15,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:10:15,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 03:10:15,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:15,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:10:15,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 03:10:15,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:10:15,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:19,003 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 03:10:19,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:10:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:19,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:19,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:19,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:19,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:10:19,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:19,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:19,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:19,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:19,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:19,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:10:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:19,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:19,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:10:19,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:19,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:19,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:19,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:10:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:19,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:10:19,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:19,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:19,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:10:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:19,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:19,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:19,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:19,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:10:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:19,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:19,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 03:10:19,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:10:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 724 [2020-10-27 03:10:19,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:10:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 03:10:19,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:10:19,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:19,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:19,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:19,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:10:19,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:10:19,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:19,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:19,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:19,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:19,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:10:19,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:19,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:10:19,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:19,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:19,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:19,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:19,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:19,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:19,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:19,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:19,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:19,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:19,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:19,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:10:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:20,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:20,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:10:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:10:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:10:20,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:10:20,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:10:20,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:20,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:10:20,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:20,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:10:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:10:20,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:20,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:10:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:10:20,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:10:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 03:10:20,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:10:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:10:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:10:20,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:10:20,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:20,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:10:20,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:10:20,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:20,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:10:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:20,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:20,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:10:20,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:10:20,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:10:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:10:20,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:10:20,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:10:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:20,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:10:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:20,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:20,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 03:10:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:10:20,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:20,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 03:10:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:20,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:20,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:10:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:20,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:20,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:20,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 03:10:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:20,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:20,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:20,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 03:10:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:20,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:10:20,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 03:10:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:20,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:20,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:20,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:20,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:20,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:20,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:20,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:20,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:10:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:20,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 03:10:20,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602569782] [2020-10-27 03:10:20,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:10:20,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 03:10:20,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774191075] [2020-10-27 03:10:20,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 03:10:20,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:10:20,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 03:10:20,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:10:20,635 INFO L87 Difference]: Start difference. First operand 494 states and 648 transitions. Second operand 16 states.