/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_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:35:53,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:35:53,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:35:53,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:35:53,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:35:53,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:35:53,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:35:53,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:35:53,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:35:53,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:35:53,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:35:53,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:35:53,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:35:53,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:35:53,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:35:53,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:35:53,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:35:53,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:35:53,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:35:53,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:35:53,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:35:53,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:35:53,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:35:53,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:35:53,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:35:53,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:35:53,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:35:53,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:35:53,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:35:53,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:35:53,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:35:53,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:35:53,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:35:53,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:35:53,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:35:53,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:35:53,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:35:53,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:35:53,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:35:53,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:35:53,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:35:53,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:35:53,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:35:53,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:35:53,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:35:53,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:35:53,764 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:35:53,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:35:53,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:35:53,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:35:53,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:35:53,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:35:53,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:35:53,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:35:53,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:35:53,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:35:53,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:35:53,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:35:53,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:35:53,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:35:53,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:35:53,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:35:53,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:35:53,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:35:53,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:35:53,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:35:53,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:35:53,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:35:53,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:35:53,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:35:53,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:35:53,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:35:54,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:35:54,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:35:54,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:35:54,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:35:54,180 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:35:54,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-10-27 02:35:54,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc0307571/5779b616b935423f9f24afb5c91948fa/FLAG3687063e2 [2020-10-27 02:35:55,069 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:35:55,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-10-27 02:35:55,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc0307571/5779b616b935423f9f24afb5c91948fa/FLAG3687063e2 [2020-10-27 02:35:55,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc0307571/5779b616b935423f9f24afb5c91948fa [2020-10-27 02:35:55,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:35:55,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:35:55,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:35:55,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:35:55,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:35:55,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:35:55" (1/1) ... [2020-10-27 02:35:55,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68106051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:55, skipping insertion in model container [2020-10-27 02:35:55,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:35:55" (1/1) ... [2020-10-27 02:35:55,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:35:55,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:35:56,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:35:56,042 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:35:56,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:35:56,273 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:35:56,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56 WrapperNode [2020-10-27 02:35:56,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:35:56,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:35:56,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:35:56,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:35:56,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (1/1) ... [2020-10-27 02:35:56,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (1/1) ... [2020-10-27 02:35:56,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (1/1) ... [2020-10-27 02:35:56,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (1/1) ... [2020-10-27 02:35:56,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (1/1) ... [2020-10-27 02:35:56,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (1/1) ... [2020-10-27 02:35:56,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (1/1) ... [2020-10-27 02:35:56,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:35:56,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:35:56,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:35:56,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:35:56,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:35:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:35:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:35:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:35:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:35:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 02:35:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 02:35:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 02:35:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 02:35:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 02:35:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:35:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:35:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 02:35:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:35:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:35:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:35:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:35:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:35:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 02:35:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 02:35:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 02:35:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 02:35:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 02:35:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 02:35:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 02:35:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 02:35:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 02:35:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 02:35:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 02:35:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 02:35:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 02:35:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 02:35:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 02:35:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 02:35:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 02:35:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 02:35:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 02:35:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 02:35:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 02:35:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 02:35:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 02:35:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 02:35:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-10-27 02:35:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 02:35:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 02:35:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 02:35:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 02:35:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 02:35:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 02:35:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 02:35:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 02:35:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-27 02:35:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:35:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 02:35:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:35:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:35:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:35:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:35:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:35:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:35:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 02:35:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 02:35:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 02:35:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 02:35:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 02:35:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 02:35:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 02:35:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 02:35:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 02:35:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 02:35:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 02:35:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 02:35:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 02:35:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 02:35:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 02:35:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 02:35:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 02:35:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 02:35:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 02:35:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 02:35:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 02:35:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 02:35:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 02:35:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 02:35:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 02:35:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 02:35:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 02:35:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 02:35:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 02:35:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 02:35:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 02:35:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 02:35:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 02:35:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:35:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:35:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:35:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:35:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:35:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:35:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 02:35:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 02:35:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 02:35:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:35:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:35:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:35:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 02:35:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 02:35:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 02:35:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 02:35:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 02:35:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 02:35:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 02:35:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 02:35:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 02:35:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 02:35:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:35:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:35:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:35:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 02:35:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:35:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 02:35:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 02:35:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 02:35:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 02:35:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 02:35:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 02:35:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 02:35:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 02:35:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 02:35:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 02:35:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 02:35:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 02:35:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 02:35:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 02:35:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 02:35:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 02:35:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 02:35:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 02:35:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 02:35:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 02:35:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 02:35:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 02:35:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 02:35:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 02:35:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 02:35:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 02:35:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 02:35:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 02:35:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 02:35:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 02:35:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 02:35:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-10-27 02:35:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-27 02:35:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:35:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 02:35:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 02:35:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:35:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:35:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:35:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:35:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:35:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:35:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:35:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:35:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:35:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:35:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:35:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:35:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:35:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:35:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:35:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 02:35:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 02:35:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 02:35:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 02:35:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 02:35:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 02:35:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 02:35:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 02:35:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 02:35:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 02:35:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 02:35:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 02:35:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 02:35:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 02:35:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 02:35:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 02:35:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 02:35:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 02:35:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 02:35:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 02:35:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 02:35:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 02:35:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 02:35:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 02:35:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 02:35:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 02:35:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:35:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:35:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:35:58,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:35:58,479 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:35:58,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:35:58 BoogieIcfgContainer [2020-10-27 02:35:58,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:35:58,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:35:58,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:35:58,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:35:58,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:35:55" (1/3) ... [2020-10-27 02:35:58,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4da04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:35:58, skipping insertion in model container [2020-10-27 02:35:58,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:35:56" (2/3) ... [2020-10-27 02:35:58,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4da04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:35:58, skipping insertion in model container [2020-10-27 02:35:58,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:35:58" (3/3) ... [2020-10-27 02:35:58,492 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-10-27 02:35:58,504 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:35:58,511 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:35:58,525 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:35:58,553 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:35:58,553 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:35:58,553 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:35:58,553 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:35:58,554 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:35:58,554 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:35:58,554 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:35:58,554 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:35:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-10-27 02:35:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 02:35:58,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:35:58,599 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:35:58,600 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:35:58,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:35:58,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2074529564, now seen corresponding path program 1 times [2020-10-27 02:35:58,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:35:58,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833343682] [2020-10-27 02:35:58,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:35:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:35:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:35:59,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:35:59,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:02,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:03,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:04,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:04,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-27 02:36:04,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:36:04,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 02:36:04,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:36:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:36:04,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-27 02:36:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:36:05,974 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-27 02:36:05,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:36:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:06,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:06,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:06,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:06,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:06,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 02:36:06,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:06,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:36:06,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:06,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:36:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:06,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:06,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:06,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:36:06,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:06,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:06,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:06,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:36:06,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:06,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:36:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:06,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:06,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:06,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:36:06,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:06,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:06,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:06,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:06,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:06,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:36:06,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:06,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:36:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:06,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:06,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:06,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:06,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:06,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:36:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:06,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:36:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:06,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:06,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:06,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 02:36:07,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:36:07,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-10-27 02:36:07,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 02:36:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:07,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:36:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:07,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:36:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:07,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:07,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:07,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:36:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:07,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:36:07,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:07,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 02:36:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:36:07,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:36:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 02:36:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:07,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:36:07,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:36:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:07,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 02:36:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:07,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:36:07,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 02:36:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:36:07,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:36:07,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 02:36:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:36:07,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:07,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:36:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 02:36:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:36:07,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:36:07,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:36:07,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:07,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:07,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:36:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:07,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:36:07,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:36:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:36:07,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 02:36:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:07,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:07,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:07,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:07,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:07,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:07,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:07,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:07,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:36:07,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:07,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 02:36:07,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833343682] [2020-10-27 02:36:07,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:36:07,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:36:07,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710753129] [2020-10-27 02:36:07,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:36:07,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:36:07,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:36:07,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:36:07,575 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 12 states. [2020-10-27 02:36:09,788 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-27 02:36:17,199 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:36:19,142 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:36:21,149 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:36:24,614 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-27 02:36:26,687 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-27 02:36:31,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:36:31,849 INFO L93 Difference]: Finished difference Result 796 states and 1130 transitions. [2020-10-27 02:36:31,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 02:36:31,852 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 126 [2020-10-27 02:36:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:36:31,879 INFO L225 Difference]: With dead ends: 796 [2020-10-27 02:36:31,879 INFO L226 Difference]: Without dead ends: 572 [2020-10-27 02:36:31,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 02:36:31,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-10-27 02:36:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 358. [2020-10-27 02:36:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-10-27 02:36:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 452 transitions. [2020-10-27 02:36:32,145 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 452 transitions. Word has length 126 [2020-10-27 02:36:32,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:36:32,146 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 452 transitions. [2020-10-27 02:36:32,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:36:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 452 transitions. [2020-10-27 02:36:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 02:36:32,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:36:32,152 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:36:32,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:36:32,153 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:36:32,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:36:32,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1924944704, now seen corresponding path program 1 times [2020-10-27 02:36:32,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:36:32,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931367632] [2020-10-27 02:36:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:36:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:32,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:32,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:32,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:33,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:34,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:36,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:37,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:37,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 02:36:37,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:36:37,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 02:36:37,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:36:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:36:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-27 02:36:37,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,077 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-27 02:36:39,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:36:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:39,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 02:36:39,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:36:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:36:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:36:39,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:39,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:36:39,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:36:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:36:39,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:39,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:39,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:36:39,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:36:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:39,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:39,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:36:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:36:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 02:36:39,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:36:39,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-27 02:36:39,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 02:36:39,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:39,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:39,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:39,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:39,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:39,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:39,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:39,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:36:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:39,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:39,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:39,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:39,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:39,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:39,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:36:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:39,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:39,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:39,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:39,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:39,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:39,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:39,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:39,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:36:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:36:40,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:36:40,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 02:36:40,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:40,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:36:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:40,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:40,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 02:36:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:40,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:40,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:36:40,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 02:36:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:40,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:40,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:36:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 02:36:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:40,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:40,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:36:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 02:36:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:36:40,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:36:40,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:36:40,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:40,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:40,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:40,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:36:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:36:40,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:36:40,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:36:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:36:40,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:36:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:40,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:40,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:40,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:40,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:40,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:36:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 02:36:40,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931367632] [2020-10-27 02:36:40,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:36:40,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:36:40,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955226994] [2020-10-27 02:36:40,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:36:40,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:36:40,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:36:40,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:36:40,219 INFO L87 Difference]: Start difference. First operand 358 states and 452 transitions. Second operand 12 states. [2020-10-27 02:36:42,459 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-27 02:36:51,174 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 523 DAG size of output: 521 [2020-10-27 02:36:53,120 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:36:54,932 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:36:58,220 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-27 02:37:00,156 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-27 02:37:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:37:04,823 INFO L93 Difference]: Finished difference Result 1260 states and 1665 transitions. [2020-10-27 02:37:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 02:37:04,824 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 128 [2020-10-27 02:37:04,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:37:04,833 INFO L225 Difference]: With dead ends: 1260 [2020-10-27 02:37:04,833 INFO L226 Difference]: Without dead ends: 1052 [2020-10-27 02:37:04,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2020-10-27 02:37:04,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-10-27 02:37:05,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 672. [2020-10-27 02:37:05,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-27 02:37:05,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 860 transitions. [2020-10-27 02:37:05,216 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 860 transitions. Word has length 128 [2020-10-27 02:37:05,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:37:05,217 INFO L481 AbstractCegarLoop]: Abstraction has 672 states and 860 transitions. [2020-10-27 02:37:05,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:37:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 860 transitions. [2020-10-27 02:37:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 02:37:05,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:37:05,222 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:37:05,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:37:05,222 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:37:05,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:37:05,223 INFO L82 PathProgramCache]: Analyzing trace with hash 281631713, now seen corresponding path program 1 times [2020-10-27 02:37:05,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:37:05,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315203427] [2020-10-27 02:37:05,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:37:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:05,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:05,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:05,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:06,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:08,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:10,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:10,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 02:37:10,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:37:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:37:10,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 02:37:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:37:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 02:37:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:12,377 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-27 02:37:12,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:37:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:12,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:12,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:12,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:12,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:12,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-27 02:37:12,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:37:12,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:12,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:37:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:12,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:12,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:12,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:37:12,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:37:12,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:37:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:12,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:37:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:12,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:12,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:12,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:37:12,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:12,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:37:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:37:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:12,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:12,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:12,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:12,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:12,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:37:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:37:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:12,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:12,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:12,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 02:37:13,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:37:13,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-27 02:37:13,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 02:37:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:13,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:13,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:13,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:13,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:37:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:13,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:13,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:13,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:37:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:13,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:13,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:13,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:13,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:37:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:37:13,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:37:13,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:13,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 02:37:13,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:13,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:13,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:37:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:13,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:13,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 02:37:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:13,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:13,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:37:13,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 02:37:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:13,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:13,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:37:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 02:37:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:13,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:13,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:37:13,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 02:37:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:37:13,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:37:13,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:37:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:13,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:13,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:37:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:37:13,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:37:13,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:37:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:37:13,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:37:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:13,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:13,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:13,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:13,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:13,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:13,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:13,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:13,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:37:13,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:13,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 02:37:13,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315203427] [2020-10-27 02:37:13,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:37:13,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:37:13,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304520027] [2020-10-27 02:37:13,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:37:13,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:37:13,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:37:13,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:37:13,570 INFO L87 Difference]: Start difference. First operand 672 states and 860 transitions. Second operand 12 states. [2020-10-27 02:37:15,779 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-27 02:37:24,153 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 523 DAG size of output: 521 [2020-10-27 02:37:26,027 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:37:27,887 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:37:31,110 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-27 02:37:32,960 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:37:36,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:37:36,960 INFO L93 Difference]: Finished difference Result 2396 states and 3152 transitions. [2020-10-27 02:37:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 02:37:36,961 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 129 [2020-10-27 02:37:36,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:37:36,974 INFO L225 Difference]: With dead ends: 2396 [2020-10-27 02:37:36,974 INFO L226 Difference]: Without dead ends: 1980 [2020-10-27 02:37:36,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2020-10-27 02:37:36,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2020-10-27 02:37:37,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1300. [2020-10-27 02:37:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2020-10-27 02:37:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1680 transitions. [2020-10-27 02:37:37,603 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1680 transitions. Word has length 129 [2020-10-27 02:37:37,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:37:37,604 INFO L481 AbstractCegarLoop]: Abstraction has 1300 states and 1680 transitions. [2020-10-27 02:37:37,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:37:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1680 transitions. [2020-10-27 02:37:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 02:37:37,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:37:37,609 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:37:37,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:37:37,609 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:37:37,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:37:37,610 INFO L82 PathProgramCache]: Analyzing trace with hash -715440640, now seen corresponding path program 1 times [2020-10-27 02:37:37,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:37:37,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356593074] [2020-10-27 02:37:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:37:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:37,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:37,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:38,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:42,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 02:37:42,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:37:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 02:37:42,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:37:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 02:37:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:37:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,442 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-27 02:37:44,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:37:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:44,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:37:44,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:37:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:37:44,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:44,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:37:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:37:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:44,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:37:44,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:37:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 02:37:44,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:37:44,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-27 02:37:44,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:37:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:37:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:37:44,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:44,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:44,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:44,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:44,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:44,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:37:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:44,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:37:44,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:37:44,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:37:44,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:37:44,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:44,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:37:44,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:37:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:37:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:37:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:44,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:44,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:37:44,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:44,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:44,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:44,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:37:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:44,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:44,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:37:44,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:44,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:37:44,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:37:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:44,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:45,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:45,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:37:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:45,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:45,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:45,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 02:37:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:45,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:45,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:37:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 02:37:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:45,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:45,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:37:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 02:37:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:45,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:45,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:37:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 02:37:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:37:45,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:45,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:37:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:45,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:45,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:37:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:37:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:37:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:37:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:45,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:45,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:45,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:45,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:45,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:45,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:37:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 02:37:45,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356593074] [2020-10-27 02:37:45,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:37:45,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:37:45,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437415265] [2020-10-27 02:37:45,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:37:45,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:37:45,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:37:45,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:37:45,125 INFO L87 Difference]: Start difference. First operand 1300 states and 1680 transitions. Second operand 13 states. [2020-10-27 02:37:47,620 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-27 02:37:49,724 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-27 02:37:51,602 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:37:53,500 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:37:59,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:37:59,763 INFO L93 Difference]: Finished difference Result 3239 states and 4286 transitions. [2020-10-27 02:37:59,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 02:37:59,763 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 129 [2020-10-27 02:37:59,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:37:59,776 INFO L225 Difference]: With dead ends: 3239 [2020-10-27 02:37:59,776 INFO L226 Difference]: Without dead ends: 1968 [2020-10-27 02:37:59,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-10-27 02:37:59,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2020-10-27 02:38:00,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1308. [2020-10-27 02:38:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2020-10-27 02:38:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1690 transitions. [2020-10-27 02:38:00,250 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1690 transitions. Word has length 129 [2020-10-27 02:38:00,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:38:00,251 INFO L481 AbstractCegarLoop]: Abstraction has 1308 states and 1690 transitions. [2020-10-27 02:38:00,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:38:00,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1690 transitions. [2020-10-27 02:38:00,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 02:38:00,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:38:00,255 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:38:00,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 02:38:00,256 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:38:00,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:38:00,256 INFO L82 PathProgramCache]: Analyzing trace with hash 306404018, now seen corresponding path program 1 times [2020-10-27 02:38:00,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:38:00,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253536167] [2020-10-27 02:38:00,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:38:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:00,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:00,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:00,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:05,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:05,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 02:38:05,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:38:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 02:38:05,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 02:38:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 02:38:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 02:38:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,305 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-27 02:38:07,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:38:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:38:07,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:38:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:38:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:38:07,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:38:07,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:07,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:38:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:38:07,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:38:07,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:38:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:38:07,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:38:07,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:07,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:07,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:38:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 02:38:07,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:38:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-27 02:38:07,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:38:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:38:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:38:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:38:07,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:38:07,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:38:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:38:07,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:38:07,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:38:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:38:07,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:38:07,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:38:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:38:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:38:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:38:07,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:38:07,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:38:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:38:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:38:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:38:07,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:38:07,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:38:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:38:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:38:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:38:07,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:38:07,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:07,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:07,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 02:38:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:07,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:07,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:07,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:38:07,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:07,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:38:07,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:07,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:38:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:38:07,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:38:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:38:08,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:38:08,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:38:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:38:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:38:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:38:08,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:38:08,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:38:08,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:08,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:38:08,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 02:38:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:38:08,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:38:08,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:38:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:38:08,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 02:38:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:38:08,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:38:08,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:38:08,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:08,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:38:08,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 02:38:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:38:08,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:38:08,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:38:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:38:08,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 02:38:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:38:08,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:38:08,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:38:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:38:08,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:38:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:38:08,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:38:08,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:38:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:08,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 02:38:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:38:08,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:38:08,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:38:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:38:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:38:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 02:38:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:38:08,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:38:08,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:38:08,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:38:08,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:38:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:38:08,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:38:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:38:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:38:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:38:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:38:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 02:38:08,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253536167] [2020-10-27 02:38:08,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:38:08,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 02:38:08,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729314620] [2020-10-27 02:38:08,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 02:38:08,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:38:08,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 02:38:08,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2020-10-27 02:38:08,545 INFO L87 Difference]: Start difference. First operand 1308 states and 1690 transitions. Second operand 27 states. [2020-10-27 02:38:11,901 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-27 02:38:14,322 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:38:16,279 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-27 02:38:18,224 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:38:20,173 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-27 02:38:22,323 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-27 02:38:24,386 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:38:27,161 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:38:29,322 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-27 02:38:31,563 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:38:35,056 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:38:38,104 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-27 02:38:41,423 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:38:43,612 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:38:45,739 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-27 02:38:47,762 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-27 02:38:49,789 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-27 02:38:52,117 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-27 02:38:54,139 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 533 [2020-10-27 02:38:57,814 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-27 02:39:02,513 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-27 02:39:04,875 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-27 02:39:06,929 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-27 02:39:11,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:39:11,199 INFO L93 Difference]: Finished difference Result 4638 states and 6108 transitions. [2020-10-27 02:39:11,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-27 02:39:11,203 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 130 [2020-10-27 02:39:11,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:39:11,224 INFO L225 Difference]: With dead ends: 4638 [2020-10-27 02:39:11,224 INFO L226 Difference]: Without dead ends: 3365 [2020-10-27 02:39:11,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1687 ImplicationChecksByTransitivity, 49.9s TimeCoverageRelationStatistics Valid=977, Invalid=6333, Unknown=0, NotChecked=0, Total=7310 [2020-10-27 02:39:11,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2020-10-27 02:39:12,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 2405. [2020-10-27 02:39:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2405 states. [2020-10-27 02:39:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3007 transitions. [2020-10-27 02:39:12,349 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3007 transitions. Word has length 130 [2020-10-27 02:39:12,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:39:12,351 INFO L481 AbstractCegarLoop]: Abstraction has 2405 states and 3007 transitions. [2020-10-27 02:39:12,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 02:39:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3007 transitions. [2020-10-27 02:39:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 02:39:12,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:39:12,357 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:39:12,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 02:39:12,357 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:39:12,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:39:12,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1530918954, now seen corresponding path program 1 times [2020-10-27 02:39:12,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:39:12,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277259036] [2020-10-27 02:39:12,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:39:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:12,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:12,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:12,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:12,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:16,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:17,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:17,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-27 02:39:17,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:39:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:39:17,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:39:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 02:39:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:39:17,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,264 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-27 02:39:19,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:39:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:39:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:39:19,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:19,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:39:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:39:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:39:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 02:39:19,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 02:39:19,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:39:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 02:39:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:39:19,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:39:19,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:39:19,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:19,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:39:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:39:19,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:39:19,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 02:39:19,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:19,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 02:39:19,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:39:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:39:19,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:39:19,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:39:19,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:39:19,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:39:19,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:19,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:39:19,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:39:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:39:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 02:39:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:39:19,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:39:19,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:39:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:39:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:19,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 02:39:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:19,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:39:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:39:19,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 02:39:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:19,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:39:19,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 02:39:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 02:39:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:39:19,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:39:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:19,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 02:39:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:39:19,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:19,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:39:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 02:39:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:19,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:19,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:19,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:19,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:19,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:19,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:19,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:39:19,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:19,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 02:39:19,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277259036] [2020-10-27 02:39:19,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:39:19,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 02:39:19,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444648919] [2020-10-27 02:39:19,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:39:19,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:39:19,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:39:19,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:39:19,725 INFO L87 Difference]: Start difference. First operand 2405 states and 3007 transitions. Second operand 13 states. [2020-10-27 02:39:22,549 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-27 02:39:24,815 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-27 02:39:26,850 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-27 02:39:28,771 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-27 02:39:35,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:39:35,244 INFO L93 Difference]: Finished difference Result 5654 states and 7259 transitions. [2020-10-27 02:39:35,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 02:39:35,245 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 131 [2020-10-27 02:39:35,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:39:35,265 INFO L225 Difference]: With dead ends: 5654 [2020-10-27 02:39:35,265 INFO L226 Difference]: Without dead ends: 3299 [2020-10-27 02:39:35,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2020-10-27 02:39:35,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states.