/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_spec9_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:16:09,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:16:09,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:16:09,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:16:09,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:16:09,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:16:09,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:16:09,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:16:09,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:16:09,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:16:09,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:16:09,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:16:09,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:16:09,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:16:09,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:16:09,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:16:09,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:16:09,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:16:09,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:16:09,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:16:09,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:16:09,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:16:09,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:16:09,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:16:09,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:16:09,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:16:09,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:16:09,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:16:09,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:16:09,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:16:09,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:16:09,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:16:09,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:16:09,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:16:09,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:16:09,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:16:09,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:16:09,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:16:09,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:16:09,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:16:09,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:16:09,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:16:09,964 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:16:09,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:16:09,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:16:09,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:16:09,968 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:16:09,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:16:09,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:16:09,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:16:09,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:16:09,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:16:09,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:16:09,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:16:09,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:16:09,973 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:16:09,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:16:09,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:16:09,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:16:09,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:16:09,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:16:09,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:16:09,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:16:09,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:16:09,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:16:09,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:16:09,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:16:09,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:16:09,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:16:09,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:16:09,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:16:09,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:16:10,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:16:10,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:16:10,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:16:10,479 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:16:10,480 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:16:10,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product21.cil.c [2020-10-27 03:16:10,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebafbf85/aa69eceb2d9a422e8976406c52660330/FLAGadc4cc9fc [2020-10-27 03:16:11,365 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:16:11,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product21.cil.c [2020-10-27 03:16:11,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebafbf85/aa69eceb2d9a422e8976406c52660330/FLAGadc4cc9fc [2020-10-27 03:16:11,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebafbf85/aa69eceb2d9a422e8976406c52660330 [2020-10-27 03:16:11,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:16:11,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:16:11,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:16:11,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:16:11,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:16:11,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:16:11" (1/1) ... [2020-10-27 03:16:11,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760360b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:11, skipping insertion in model container [2020-10-27 03:16:11,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:16:11" (1/1) ... [2020-10-27 03:16:11,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:16:11,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:16:12,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:16:12,452 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:16:12,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:16:12,715 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:16:12,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12 WrapperNode [2020-10-27 03:16:12,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:16:12,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:16:12,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:16:12,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:16:12,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (1/1) ... [2020-10-27 03:16:12,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (1/1) ... [2020-10-27 03:16:12,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (1/1) ... [2020-10-27 03:16:12,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (1/1) ... [2020-10-27 03:16:12,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (1/1) ... [2020-10-27 03:16:12,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (1/1) ... [2020-10-27 03:16:12,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (1/1) ... [2020-10-27 03:16:12,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:16:12,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:16:12,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:16:12,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:16:12,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:16:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:16:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:16:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:16:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:16:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 03:16:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 03:16:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-27 03:16:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 03:16:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 03:16:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-27 03:16:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 03:16:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 03:16:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 03:16:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 03:16:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 03:16:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 03:16:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 03:16:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 03:16:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 03:16:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 03:16:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 03:16:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 03:16:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 03:16:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 03:16:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 03:16:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 03:16:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 03:16:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 03:16:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:16:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:16:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:16:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:16:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:16:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 03:16:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 03:16:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 03:16:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 03:16:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 03:16:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 03:16:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 03:16:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 03:16:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 03:16:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 03:16:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 03:16:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 03:16:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 03:16:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 03:16:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 03:16:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 03:16:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 03:16:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 03:16:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 03:16:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 03:16:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 03:16:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 03:16:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 03:16:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 03:16:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 03:16:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 03:16:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 03:16:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 03:16:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 03:16:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 03:16:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 03:16:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 03:16:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 03:16:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 03:16:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 03:16:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 03:16:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 03:16:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 03:16:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 03:16:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 03:16:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 03:16:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 03:16:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 03:16:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 03:16:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 03:16:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 03:16:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 03:16:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 03:16:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 03:16:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 03:16:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 03:16:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-27 03:16:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-27 03:16:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:16:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 03:16:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 03:16:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 03:16:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 03:16:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 03:16:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 03:16:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 03:16:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 03:16:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:16:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:16:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 03:16:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 03:16:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 03:16:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 03:16:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 03:16:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 03:16:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 03:16:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 03:16:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 03:16:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 03:16:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 03:16:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:16:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:16:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:16:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:16:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:16:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:16:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:16:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:16:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:16:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:16:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:16:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:16:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 03:16:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 03:16:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 03:16:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 03:16:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 03:16:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 03:16:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 03:16:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 03:16:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 03:16:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 03:16:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 03:16:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 03:16:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 03:16:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 03:16:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 03:16:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 03:16:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 03:16:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 03:16:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 03:16:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 03:16:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 03:16:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 03:16:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 03:16:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 03:16:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 03:16:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 03:16:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 03:16:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 03:16:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 03:16:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 03:16:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 03:16:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 03:16:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-27 03:16:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 03:16:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-27 03:16:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-27 03:16:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 03:16:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-27 03:16:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 03:16:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 03:16:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 03:16:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 03:16:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 03:16:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 03:16:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:16:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:16:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:16:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:16:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:16:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 03:16:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 03:16:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 03:16:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 03:16:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 03:16:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 03:16:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 03:16:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 03:16:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 03:16:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 03:16:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 03:16:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 03:16:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 03:16:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 03:16:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 03:16:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 03:16:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 03:16:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 03:16:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 03:16:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 03:16:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 03:16:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 03:16:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 03:16:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 03:16:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 03:16:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 03:16:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 03:16:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 03:16:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 03:16:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 03:16:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 03:16:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 03:16:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 03:16:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 03:16:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 03:16:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 03:16:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 03:16:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 03:16:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 03:16:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 03:16:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 03:16:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 03:16:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 03:16:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 03:16:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:16:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 03:16:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 03:16:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 03:16:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 03:16:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:16:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:16:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 03:16:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 03:16:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 03:16:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 03:16:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 03:16:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:16:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:16:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:16:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:16:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:16:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:16:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:16:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:16:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:16:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:16:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:16:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:16:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:16:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:16:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:16:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:16:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:16:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:16:16,041 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:16:16,042 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 03:16:16,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:16:16 BoogieIcfgContainer [2020-10-27 03:16:16,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:16:16,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:16:16,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:16:16,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:16:16,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:16:11" (1/3) ... [2020-10-27 03:16:16,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7394d2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:16:16, skipping insertion in model container [2020-10-27 03:16:16,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:12" (2/3) ... [2020-10-27 03:16:16,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7394d2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:16:16, skipping insertion in model container [2020-10-27 03:16:16,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:16:16" (3/3) ... [2020-10-27 03:16:16,063 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product21.cil.c [2020-10-27 03:16:16,076 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:16:16,084 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:16:16,098 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:16:16,146 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:16:16,149 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:16:16,150 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:16:16,150 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:16:16,150 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:16:16,150 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:16:16,150 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:16:16,150 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:16:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states. [2020-10-27 03:16:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 03:16:16,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:16:16,211 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:16:16,212 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:16:16,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:16:16,218 INFO L82 PathProgramCache]: Analyzing trace with hash 616972033, now seen corresponding path program 1 times [2020-10-27 03:16:16,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:16:16,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224434804] [2020-10-27 03:16:16,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:16:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:16,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:17,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:17,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:17,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:17,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:21,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:21,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 03:16:21,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:16:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-10-27 03:16:21,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:21,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:16:21,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:16:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:16:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 03:16:26,777 WARN L193 SmtUtils]: Spent 4.74 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:16:26,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:16:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:26,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:26,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:26,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:16:26,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:26,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 03:16:26,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:26,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:26,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:16:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:26,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:26,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:26,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:16:26,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:26,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:26,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:26,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:26,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:26,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:16:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:26,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:26,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:26,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:16:26,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:26,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:16:26,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:26,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:26,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:26,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:26,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:16:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:26,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:26,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:26,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:16:26,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:27,111 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-27 03:16:27,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:16:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:27,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:27,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:27,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:27,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 03:16:32,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:16:32,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 03:16:32,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:16:32,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:16:32,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:16:32,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:16:32,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:16:32,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:16:32,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:16:32,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:32,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:32,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:16:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:32,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:32,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:16:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:16:32,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:16:32,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 03:16:32,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:16:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:16:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:16:32,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:16:32,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 03:16:32,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:16:32,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:16:32,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:32,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:16:32,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:16:32,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:16:32,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:16:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:32,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:16:32,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:16:32,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:16:32,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:16:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:16:32,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:16:32,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:16:32,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:16:32,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:16:32,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:32,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:32,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:16:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:32,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:16:32,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 03:16:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:16:32,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:16:32,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:16:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:32,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:32,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:32,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:32,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:32,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:32,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:32,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:32,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:32,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:32,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:32,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:16:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:33,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:33,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:33,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 03:16:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:33,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:33,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:33,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 03:16:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:33,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:33,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 03:16:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:16:33,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:16:33,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:16:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 03:16:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:33,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:33,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:33,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 03:16:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:33,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:16:33,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:16:33,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 03:16:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:33,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:16:33,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 03:16:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:16:33,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224434804] [2020-10-27 03:16:33,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:16:33,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 03:16:33,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761534389] [2020-10-27 03:16:33,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 03:16:33,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:16:33,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 03:16:33,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 03:16:33,254 INFO L87 Difference]: Start difference. First operand 577 states. Second operand 17 states. [2020-10-27 03:16:39,310 WARN L193 SmtUtils]: Spent 4.71 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 03:16:45,156 WARN L193 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:16:51,408 WARN L193 SmtUtils]: Spent 4.84 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:16:56,438 WARN L193 SmtUtils]: Spent 4.91 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:17:37,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:17:37,003 INFO L93 Difference]: Finished difference Result 1450 states and 2172 transitions. [2020-10-27 03:17:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 03:17:37,005 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 155 [2020-10-27 03:17:37,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:17:37,031 INFO L225 Difference]: With dead ends: 1450 [2020-10-27 03:17:37,031 INFO L226 Difference]: Without dead ends: 848 [2020-10-27 03:17:37,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 26.8s TimeCoverageRelationStatistics Valid=518, Invalid=1834, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 03:17:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-10-27 03:17:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 547. [2020-10-27 03:17:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-27 03:17:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 746 transitions. [2020-10-27 03:17:37,492 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 746 transitions. Word has length 155 [2020-10-27 03:17:37,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:17:37,492 INFO L481 AbstractCegarLoop]: Abstraction has 547 states and 746 transitions. [2020-10-27 03:17:37,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 03:17:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 746 transitions. [2020-10-27 03:17:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 03:17:37,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:17:37,513 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:17:37,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:17:37,513 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:17:37,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:17:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash 274581797, now seen corresponding path program 1 times [2020-10-27 03:17:37,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:17:37,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774484695] [2020-10-27 03:17:37,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:17:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:37,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:37,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:37,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:38,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:38,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:42,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:42,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 03:17:42,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:17:42,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 03:17:42,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:17:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:17:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:17:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:47,432 WARN L193 SmtUtils]: Spent 4.68 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:17:47,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:17:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:47,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:47,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:47,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:17:47,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 03:17:47,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:47,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:17:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:47,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:47,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:47,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:17:47,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:47,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:17:47,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:47,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:17:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:47,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:47,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:47,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:17:47,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:47,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:17:47,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:47,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:47,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:17:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:47,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:47,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:47,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:17:47,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:47,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:17:47,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:47,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:47,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:47,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:47,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:47,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:17:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:47,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:47,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:47,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:47,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:47,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:52,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:17:52,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:17:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 03:17:52,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:17:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:17:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:17:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:52,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:52,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:52,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:17:52,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:52,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:17:52,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:52,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:52,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:52,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:17:52,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:52,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:17:52,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:52,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:52,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:52,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:52,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:52,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:52,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:52,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:52,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:52,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:52,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:17:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:52,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:52,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:52,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:52,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:52,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:17:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:52,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:17:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:17:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-27 03:17:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:17:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:17:52,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:17:52,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:53,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:17:53,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:17:53,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:53,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:17:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:17:53,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:17:53,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:53,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:17:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:17:53,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:17:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:17:53,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:53,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:17:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:17:53,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:17:53,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:17:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:53,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:17:53,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:17:53,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:53,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:17:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 03:17:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:17:53,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:17:53,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:17:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:17:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:17:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 03:17:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:17:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:17:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:17:53,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:17:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 03:17:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:17:53,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:17:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:17:53,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 03:17:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:17:53,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,566 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:17:53,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774484695] [2020-10-27 03:17:53,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:17:53,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 03:17:53,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989142046] [2020-10-27 03:17:53,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 03:17:53,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:17:53,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 03:17:53,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:17:53,575 INFO L87 Difference]: Start difference. First operand 547 states and 746 transitions. Second operand 15 states. [2020-10-27 03:17:59,870 WARN L193 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 03:18:06,022 WARN L193 SmtUtils]: Spent 4.93 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 03:18:11,886 WARN L193 SmtUtils]: Spent 4.92 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:18:52,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:18:52,808 INFO L93 Difference]: Finished difference Result 1360 states and 1996 transitions. [2020-10-27 03:18:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 03:18:52,809 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 157 [2020-10-27 03:18:52,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:18:52,835 INFO L225 Difference]: With dead ends: 1360 [2020-10-27 03:18:52,836 INFO L226 Difference]: Without dead ends: 850 [2020-10-27 03:18:52,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 03:18:52,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-10-27 03:18:53,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 549. [2020-10-27 03:18:53,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-10-27 03:18:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 750 transitions. [2020-10-27 03:18:53,143 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 750 transitions. Word has length 157 [2020-10-27 03:18:53,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:18:53,144 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 750 transitions. [2020-10-27 03:18:53,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 03:18:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 750 transitions. [2020-10-27 03:18:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 03:18:53,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:18:53,148 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:18:53,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:18:53,149 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:18:53,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:18:53,149 INFO L82 PathProgramCache]: Analyzing trace with hash 276768686, now seen corresponding path program 1 times [2020-10-27 03:18:53,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:18:53,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737813668] [2020-10-27 03:18:53,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:18:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:18:53,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:18:53,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:18:54,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:18:54,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:18:57,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:18:58,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:18:58,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:18:58,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 03:18:58,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:18:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 03:18:58,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:18:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:18:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:18:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 03:18:58,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:03,706 WARN L193 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:19:03,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:19:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:03,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:03,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:03,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:19:03,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:03,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 03:19:03,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:03,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:19:03,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:03,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:19:03,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:03,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:19:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:03,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:03,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:03,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:19:03,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:19:03,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:19:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:19:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:03,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:19:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:03,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:03,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:03,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:19:03,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:19:03,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:19:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:19:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:03,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:19:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:03,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:03,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:03,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:19:03,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:03,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:19:03,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:03,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:19:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:19:03,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:19:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:04,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:04,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:04,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:04,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:04,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 03:19:09,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:19:09,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 03:19:09,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:19:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 03:19:09,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:19:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:19:09,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:19:09,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:09,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:19:09,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:19:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:19:09,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:19:09,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:09,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:19:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:09,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:19:09,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:09,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:19:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:09,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:19:09,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:09,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:19:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 03:19:09,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:19:09,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 03:19:09,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:19:09,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 03:19:09,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:19:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:19:09,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:19:09,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:19:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:19:09,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:19:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:19:09,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:19:09,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:19:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:19:09,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 03:19:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:19:09,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:19:09,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:19:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:19:09,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:19:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:19:09,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:19:09,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:19:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:19:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:19:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:19:09,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:19:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:19:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:19:09,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:19:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:09,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:19:09,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:09,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 03:19:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:09,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:09,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:09,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:19:09,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:09,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 03:19:09,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:09,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:19:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 03:19:09,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:19:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:10,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:10,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:10,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:10,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:10,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:19:10,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:19:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:19:10,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:19:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:10,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:10,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:10,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:10,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:19:10,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:19:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:19:10,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:10,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:19:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:10,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:10,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:10,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:10,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:19:10,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:19:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:10,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:19:10,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:10,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 03:19:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:10,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:10,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:10,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:10,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:10,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:19:10,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:19:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:19:10,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:19:10,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 03:19:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:10,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:10,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:19:10,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:10,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:19:10,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:19:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:19:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:19:10,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:10,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 03:19:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:10,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:10,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:10,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:10,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:10,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:19:10,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:19:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:19:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 03:19:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:10,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:10,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:10,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:19:10,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:19:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:10,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 03:19:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:19:10,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:19:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:19:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:19:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:19:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:19:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:19:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:19:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:19:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:19:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:19:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:19:10,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737813668] [2020-10-27 03:19:10,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:19:10,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 03:19:10,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238046875] [2020-10-27 03:19:10,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 03:19:10,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:19:10,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 03:19:10,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=851, Unknown=0, NotChecked=0, Total=930 [2020-10-27 03:19:10,570 INFO L87 Difference]: Start difference. First operand 549 states and 750 transitions. Second operand 31 states. [2020-10-27 03:19:18,506 WARN L193 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 03:19:24,346 WARN L193 SmtUtils]: Spent 4.72 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-27 03:19:31,391 WARN L193 SmtUtils]: Spent 4.92 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:19:36,517 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 03:19:41,687 WARN L193 SmtUtils]: Spent 4.92 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:19:46,772 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 03:19:51,832 WARN L193 SmtUtils]: Spent 4.93 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:19:56,927 WARN L193 SmtUtils]: Spent 4.95 s on a formula simplification that was a NOOP. DAG size: 594