/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_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:57:46,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:57:46,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:57:46,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:57:46,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:57:46,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:57:46,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:57:46,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:57:46,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:57:46,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:57:46,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:57:46,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:57:46,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:57:46,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:57:46,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:57:46,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:57:46,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:57:46,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:57:46,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:57:46,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:57:46,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:57:46,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:57:46,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:57:46,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:57:46,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:57:46,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:57:46,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:57:46,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:57:46,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:57:46,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:57:46,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:57:46,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:57:46,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:57:46,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:57:46,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:57:46,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:57:46,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:57:46,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:57:46,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:57:46,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:57:46,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:57:46,790 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 02:57:46,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:57:46,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:57:46,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:57:46,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:57:46,846 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:57:46,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:57:46,846 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:57:46,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:57:46,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:57:46,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:57:46,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:57:46,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:57:46,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:57:46,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:57:46,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:57:46,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:57:46,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:57:46,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:57:46,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:57:46,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:57:46,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:57:46,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:57:46,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:57:46,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:57:46,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:57:46,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:57:46,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:57:46,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:57:46,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:57:46,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:57:47,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:57:47,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:57:47,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:57:47,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:57:47,268 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:57:47,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product25.cil.c [2020-10-27 02:57:47,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46793bb73/35023cf0cfb24513b89e4b387ea89e85/FLAG59a2043b6 [2020-10-27 02:57:48,144 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:57:48,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product25.cil.c [2020-10-27 02:57:48,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46793bb73/35023cf0cfb24513b89e4b387ea89e85/FLAG59a2043b6 [2020-10-27 02:57:48,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46793bb73/35023cf0cfb24513b89e4b387ea89e85 [2020-10-27 02:57:48,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:57:48,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:57:48,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:57:48,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:57:48,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:57:48,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:57:48" (1/1) ... [2020-10-27 02:57:48,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b48dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:48, skipping insertion in model container [2020-10-27 02:57:48,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:57:48" (1/1) ... [2020-10-27 02:57:48,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:57:48,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:57:49,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:57:49,240 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:57:49,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:57:49,508 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:57:49,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49 WrapperNode [2020-10-27 02:57:49,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:57:49,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:57:49,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:57:49,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:57:49,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (1/1) ... [2020-10-27 02:57:49,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (1/1) ... [2020-10-27 02:57:49,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (1/1) ... [2020-10-27 02:57:49,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (1/1) ... [2020-10-27 02:57:49,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (1/1) ... [2020-10-27 02:57:49,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (1/1) ... [2020-10-27 02:57:49,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (1/1) ... [2020-10-27 02:57:49,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:57:49,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:57:49,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:57:49,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:57:49,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (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 02:57:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:57:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:57:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:57:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:57:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 02:57:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:57:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:57:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:57:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:57:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:57:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:57:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-27 02:57:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 02:57:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 02:57:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 02:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 02:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 02:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 02:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 02:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-27 02:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 02:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 02:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 02:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 02:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 02:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 02:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 02:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 02:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 02:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 02:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 02:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 02:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 02:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 02:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 02:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 02:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 02:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 02:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 02:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 02:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 02:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 02:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 02:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 02:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 02:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 02:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 02:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 02:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 02:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 02:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 02:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 02:57:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 02:57:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 02:57:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 02:57:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 02:57:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 02:57:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 02:57:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 02:57:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 02:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 02:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 02:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 02:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 02:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 02:57:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 02:57:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:57:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:57:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 02:57:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 02:57:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 02:57:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 02:57:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 02:57:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 02:57:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 02:57:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 02:57:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 02:57:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 02:57:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 02:57:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-27 02:57:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:57:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:57:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:57:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:57:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:57:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 02:57:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 02:57:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 02:57:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 02:57:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 02:57:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 02:57:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 02:57:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 02:57:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 02:57:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 02:57:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 02:57:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 02:57:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 02:57:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 02:57:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 02:57:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 02:57:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 02:57:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 02:57:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 02:57:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 02:57:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 02:57:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 02:57:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 02:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 02:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 02:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 02:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 02:57:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 02:57:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 02:57:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:57:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:57:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:57:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:57:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:57:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:57:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:57:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 02:57:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:57:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:57:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:57:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:57:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:57:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:57:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:57:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:57:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:57:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:57:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:57:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:57:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:57:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:57:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:57:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 02:57:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 02:57:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 02:57:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 02:57:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 02:57:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 02:57:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 02:57:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 02:57:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 02:57:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 02:57:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 02:57:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 02:57:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-27 02:57:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 02:57:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 02:57:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 02:57:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 02:57:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 02:57:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 02:57:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 02:57:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 02:57:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 02:57:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 02:57:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 02:57:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 02:57:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 02:57:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 02:57:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 02:57:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 02:57:49,887 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 02:57:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 02:57:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 02:57:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 02:57:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 02:57:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 02:57:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 02:57:49,888 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 02:57:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 02:57:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 02:57:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 02:57:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 02:57:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 02:57:49,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-27 02:57:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 02:57:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-27 02:57:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 02:57:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 02:57:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 02:57:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 02:57:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 02:57:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 02:57:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 02:57:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 02:57:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 02:57:49,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 02:57:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 02:57:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 02:57:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 02:57:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 02:57:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 02:57:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 02:57:49,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 02:57:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 02:57:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 02:57:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 02:57:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 02:57:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 02:57:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:57:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:57:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:57:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 02:57:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 02:57:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 02:57:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 02:57:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 02:57:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:57:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:57:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:57:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 02:57:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 02:57:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 02:57:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 02:57:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 02:57:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 02:57:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 02:57:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 02:57:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 02:57:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 02:57:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 02:57:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 02:57:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 02:57:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 02:57:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:57:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:57:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 02:57:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 02:57:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 02:57:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 02:57:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 02:57:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 02:57:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 02:57:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 02:57:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 02:57:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 02:57:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 02:57:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:57:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:57:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:57:52,358 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:57:52,359 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:57:52,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:57:52 BoogieIcfgContainer [2020-10-27 02:57:52,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:57:52,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:57:52,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:57:52,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:57:52,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:57:48" (1/3) ... [2020-10-27 02:57:52,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f2830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:57:52, skipping insertion in model container [2020-10-27 02:57:52,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:57:49" (2/3) ... [2020-10-27 02:57:52,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f2830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:57:52, skipping insertion in model container [2020-10-27 02:57:52,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:57:52" (3/3) ... [2020-10-27 02:57:52,375 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product25.cil.c [2020-10-27 02:57:52,391 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:57:52,402 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:57:52,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:57:52,462 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:57:52,463 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:57:52,463 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:57:52,463 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:57:52,463 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:57:52,463 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:57:52,463 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:57:52,463 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:57:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2020-10-27 02:57:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 02:57:52,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:57:52,550 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:57:52,551 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 02:57:52,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:57:52,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1735522238, now seen corresponding path program 1 times [2020-10-27 02:57:52,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:57:52,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381326726] [2020-10-27 02:57:52,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:57:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:57:53,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:57:53,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:57:53,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:57:53,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:57:53,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:57:58,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:57:58,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 02:57:58,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:57:58,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-27 02:57:58,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:57:58,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:57:58,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:57:58,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:57:58,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:58:00,010 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 02:58:00,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:58:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:00,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:00,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:00,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:58:00,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:00,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 02:58:00,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:00,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:00,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:58:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:00,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:00,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:00,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:58:00,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:00,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:00,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:00,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:00,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:58:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:00,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:00,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:00,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:58:00,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:00,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:00,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:00,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:58:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:00,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:00,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:00,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:58:00,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:00,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:00,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:00,278 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-27 02:58:00,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:58:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:00,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:00,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:00,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:00,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:58:05,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:58:05,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:58:05,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:58:05,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:58:05,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:58:05,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:58:05,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:58:05,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:05,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:58:05,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:05,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:05,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:05,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:58:05,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:58:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:58:05,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:58:05,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-27 02:58:05,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:58:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:58:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:58:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:05,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:58:05,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:58:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:58:05,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:05,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:05,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:05,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:58:05,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:58:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:58:05,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:58:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:58:05,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:58:05,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:58:05,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:05,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:58:05,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:05,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:05,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:05,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:05,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 02:58:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:58:05,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:58:05,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:58:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:05,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:05,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:05,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:58:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:05,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:05,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:05,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:05,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:05,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:05,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:05,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:05,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:58:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:06,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:06,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:06,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:58:06,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:06,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:58:06,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:58:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:06,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:06,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:06,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:06,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:06,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:06,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:06,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:06,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:06,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 02:58:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:06,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:06,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:06,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:06,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:06,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:06,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:06,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:06,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:06,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:06,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:06,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 02:58:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:06,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:06,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:06,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:06,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:06,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:06,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:58:06,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 02:58:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:06,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:06,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:06,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:06,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:06,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:06,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:06,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 02:58:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:06,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:06,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:06,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:06,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:06,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:06,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:06,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 02:58:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:06,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:06,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:06,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:06,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:06,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:58:06,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381326726] [2020-10-27 02:58:06,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:58:06,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 02:58:06,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921582051] [2020-10-27 02:58:06,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:58:06,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:58:06,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:58:06,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:58:06,212 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 16 states. [2020-10-27 02:58:10,132 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 02:58:12,250 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 02:58:13,989 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 02:58:16,083 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 02:58:42,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:58:42,185 INFO L93 Difference]: Finished difference Result 1650 states and 2542 transitions. [2020-10-27 02:58:42,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 02:58:42,188 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 158 [2020-10-27 02:58:42,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:58:42,222 INFO L225 Difference]: With dead ends: 1650 [2020-10-27 02:58:42,223 INFO L226 Difference]: Without dead ends: 959 [2020-10-27 02:58:42,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1692 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=1042, Invalid=4070, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 02:58:42,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-10-27 02:58:42,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 573. [2020-10-27 02:58:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-10-27 02:58:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 778 transitions. [2020-10-27 02:58:42,646 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 778 transitions. Word has length 158 [2020-10-27 02:58:42,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:58:42,647 INFO L481 AbstractCegarLoop]: Abstraction has 573 states and 778 transitions. [2020-10-27 02:58:42,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:58:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 778 transitions. [2020-10-27 02:58:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 02:58:42,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:58:42,653 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:58:42,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:58:42,654 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 02:58:42,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:58:42,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1080084429, now seen corresponding path program 1 times [2020-10-27 02:58:42,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:58:42,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115677469] [2020-10-27 02:58:42,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:58:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:42,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:42,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:43,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:43,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:43,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:47,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:47,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 02:58:47,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:58:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 02:58:47,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:58:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:58:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:58:47,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:49,558 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 02:58:49,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:58:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:49,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:49,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:49,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:58:49,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 02:58:49,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:49,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:49,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:49,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:58:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:49,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:58:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:49,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:58:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:49,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:49,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:49,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:58:49,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:58:49,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:49,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:49,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:58:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:49,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:49,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:49,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:58:49,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:49,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:58:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:49,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:49,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:49,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:49,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:50,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:54,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:54,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 02:58:54,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:58:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:58:54,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:58:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:58:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:58:54,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:54,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:54,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:54,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:54,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:58:54,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:58:54,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:54,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:54,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:54,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:54,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:54,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:54,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:54,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:54,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:54,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:54,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:54,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:54,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:54,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:54,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:54,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:54,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:54,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:54,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:54,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:54,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:54,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:54,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:54,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:54,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:54,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:54,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:58:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:54,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:54,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:54,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:54,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:54,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 02:58:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:58:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 02:58:54,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:58:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:58:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:58:54,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:55,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:58:55,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:58:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:58:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:58:55,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:58:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:58:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:55,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:58:55,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:58:55,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:58:55,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:58:55,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:55,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 02:58:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:58:55,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:58:55,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:58:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:58:55,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:55,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:55,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:55,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:55,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:58:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:55,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:55,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 02:58:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:58:55,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:58:55,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:58:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:55,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:55,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:55,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:58:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:55,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:58:55,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:58:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:58:55,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:58:55,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:58:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:58:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:55,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:58:55,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:58:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:58:55,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 02:58:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:55,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:55,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 02:58:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:58:55,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:55,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 02:58:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:58:55,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:55,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 02:58:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:58:55,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:58:55,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:58:55,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:58:55,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:58:55,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:58:55,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:58:55,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:58:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:58:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:58:55,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:58:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:58:55,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115677469] [2020-10-27 02:58:55,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:58:55,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 02:58:55,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581084970] [2020-10-27 02:58:55,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 02:58:55,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:58:55,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 02:58:55,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:58:55,563 INFO L87 Difference]: Start difference. First operand 573 states and 778 transitions. Second operand 18 states. [2020-10-27 02:58:58,513 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 02:59:00,619 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 02:59:02,930 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 02:59:04,575 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 02:59:25,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:59:25,237 INFO L93 Difference]: Finished difference Result 1488 states and 2172 transitions. [2020-10-27 02:59:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 02:59:25,239 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 160 [2020-10-27 02:59:25,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:59:25,252 INFO L225 Difference]: With dead ends: 1488 [2020-10-27 02:59:25,252 INFO L226 Difference]: Without dead ends: 961 [2020-10-27 02:59:25,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=393, Invalid=1413, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 02:59:25,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2020-10-27 02:59:25,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 575. [2020-10-27 02:59:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-27 02:59:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 780 transitions. [2020-10-27 02:59:25,565 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 780 transitions. Word has length 160 [2020-10-27 02:59:25,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:59:25,566 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 780 transitions. [2020-10-27 02:59:25,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 02:59:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 780 transitions. [2020-10-27 02:59:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 02:59:25,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:59:25,570 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:59:25,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:59:25,571 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 02:59:25,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:59:25,571 INFO L82 PathProgramCache]: Analyzing trace with hash -2048953509, now seen corresponding path program 1 times [2020-10-27 02:59:25,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:59:25,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279377988] [2020-10-27 02:59:25,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:59:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:25,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:25,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:25,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:26,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:30,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:30,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 02:59:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:59:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-27 02:59:30,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:59:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 02:59:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:59:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:32,366 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 02:59:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:59:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:32,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:32,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:32,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:59:32,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:32,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 02:59:32,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:32,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:32,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:59:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:32,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:32,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:32,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:59:32,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:32,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:59:32,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:32,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:32,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:32,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:59:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:32,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:32,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:32,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:59:32,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:32,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:59:32,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:32,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:32,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:59:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:32,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:32,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:32,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:59:32,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:32,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:32,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:32,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:32,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:59:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:32,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:32,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 02:59:33,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:59:33,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 512 [2020-10-27 02:59:33,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:59:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 02:59:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:59:33,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:59:33,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:59:33,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:59:33,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:59:33,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:33,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:59:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:33,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:59:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 02:59:33,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:59:33,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:59:33,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:59:33,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:59:33,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:59:33,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:59:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:59:33,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:59:33,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:59:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:59:33,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:59:33,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-27 02:59:33,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:59:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:59:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:59:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:59:33,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:59:33,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:59:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:59:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:59:33,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:33,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:59:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:59:33,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:59:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:59:33,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 02:59:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:59:33,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:59:33,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:59:33,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:33,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:33,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:33,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:59:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:33,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:59:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:59:33,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:59:33,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:59:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:59:33,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:59:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:33,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:59:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:59:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:33,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 02:59:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:33,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 02:59:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:59:33,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 02:59:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:59:33,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 02:59:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:59:33,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:59:33,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:59:33,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:59:33,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:59:33,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:59:33,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:59:33,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:59:33,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:59:33,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:59:33,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:59:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 02:59:33,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279377988] [2020-10-27 02:59:33,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:59:33,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 02:59:33,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869058764] [2020-10-27 02:59:33,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:59:33,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:59:33,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:59:33,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:59:33,833 INFO L87 Difference]: Start difference. First operand 575 states and 780 transitions. Second operand 16 states. [2020-10-27 02:59:37,632 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 02:59:39,923 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 02:59:41,543 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 02:59:43,493 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 03:00:02,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:00:02,146 INFO L93 Difference]: Finished difference Result 1488 states and 2165 transitions. [2020-10-27 03:00:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 03:00:02,147 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 161 [2020-10-27 03:00:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:00:02,156 INFO L225 Difference]: With dead ends: 1488 [2020-10-27 03:00:02,156 INFO L226 Difference]: Without dead ends: 977 [2020-10-27 03:00:02,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=457, Invalid=1523, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 03:00:02,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-27 03:00:02,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 585. [2020-10-27 03:00:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-10-27 03:00:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 791 transitions. [2020-10-27 03:00:02,409 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 791 transitions. Word has length 161 [2020-10-27 03:00:02,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:00:02,409 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 791 transitions. [2020-10-27 03:00:02,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 03:00:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 791 transitions. [2020-10-27 03:00:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 03:00:02,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:00:02,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:00:02,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:00:02,414 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:00:02,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:00:02,414 INFO L82 PathProgramCache]: Analyzing trace with hash 181038939, now seen corresponding path program 2 times [2020-10-27 03:00:02,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:00:02,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122284910] [2020-10-27 03:00:02,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:00:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:02,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:02,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:02,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:02,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:07,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 03:00:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:00:07,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 03:00:07,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:00:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 03:00:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 03:00:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,149 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 03:00:09,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:00:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:00:09,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 03:00:09,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:00:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:00:09,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:00:09,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:00:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:00:09,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:00:09,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:00:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:09,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:00:09,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:00:09,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:00:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:09,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:09,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 03:00:14,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:00:14,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 03:00:14,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:00:14,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 03:00:14,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:00:14,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:00:14,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:00:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 03:00:14,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:00:14,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:00:14,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:14,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:14,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:14,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:14,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:00:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:14,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:00:14,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:00:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:00:14,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:00:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:00:14,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:00:14,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:00:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:00:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 03:00:14,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:00:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:00:14,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:00:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:00:14,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:00:14,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:14,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:14,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:00:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:00:14,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:00:14,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:00:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:00:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 03:00:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:00:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:00:14,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:00:14,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 03:00:14,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:00:14,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:00:14,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 03:00:14,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:00:14,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:00:14,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:00:14,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:00:14,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:14,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:14,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:14,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:00:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:00:14,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:00:14,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:00:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:00:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 03:00:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:00:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:00:14,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:00:14,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:00:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 03:00:14,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:14,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:14,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:14,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:14,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:00:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:14,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:14,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:14,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 03:00:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:00:14,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:00:14,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:00:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:00:14,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:00:14,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:14,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:00:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:14,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:14,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:14,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:14,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:14,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:00:14,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:00:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:00:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:00:14,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:15,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:00:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:15,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:15,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:15,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:15,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:15,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:00:15,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:15,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:15,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 03:00:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:15,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:15,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:15,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:15,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:15,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:15,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:15,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:15,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 03:00:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:15,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:15,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:15,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:15,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:15,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:15,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:15,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:15,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:15,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:15,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 03:00:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:15,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:15,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:15,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:15,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:15,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:15,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:15,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:15,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:15,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:15,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:15,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 03:00:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:00:15,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:00:15,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:00:15,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:00:15,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:00:15,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:00:15,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:00:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:00:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:00:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:00:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:00:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 03:00:15,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122284910] [2020-10-27 03:00:15,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:00:15,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 03:00:15,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245618074] [2020-10-27 03:00:15,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 03:00:15,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:00:15,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 03:00:15,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2020-10-27 03:00:15,112 INFO L87 Difference]: Start difference. First operand 585 states and 791 transitions. Second operand 19 states. [2020-10-27 03:00:17,979 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:00:20,468 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 03:00:22,592 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:00:24,880 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 03:00:35,573 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 03:00:37,699 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 03:00:39,568 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 03:00:43,185 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 579 DAG size of output: 577 [2020-10-27 03:00:45,136 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 03:00:52,016 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 03:00:55,304 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:00:57,097 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:00:58,823 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 577